mirror of
https://git.savannah.gnu.org/git/emacs.git
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9143eba0c6
* configure.ac: Also create lib/malloc and lib/deps/malloc if the dynarray module is in use, as Gnulib regex will start needing it due to recent glibc changes.
5962 lines
198 KiB
Plaintext
5962 lines
198 KiB
Plaintext
dnl Autoconf script for GNU Emacs
|
||
dnl To rebuild the 'configure' script from this, execute the command
|
||
dnl autoconf
|
||
dnl in the directory containing this script.
|
||
dnl If you changed any AC_DEFINES, also run autoheader.
|
||
dnl
|
||
dnl Copyright (C) 1994-1996, 1999-2021 Free Software Foundation, Inc.
|
||
dnl
|
||
dnl This file is part of GNU Emacs.
|
||
dnl
|
||
dnl GNU Emacs is free software: you can redistribute it and/or modify
|
||
dnl it under the terms of the GNU General Public License as published by
|
||
dnl the Free Software Foundation, either version 3 of the License, or
|
||
dnl (at your option) any later version.
|
||
dnl
|
||
dnl GNU Emacs is distributed in the hope that it will be useful,
|
||
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
dnl GNU General Public License for more details.
|
||
dnl
|
||
dnl You should have received a copy of the GNU General Public License
|
||
dnl along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
|
||
|
||
AC_PREREQ(2.65)
|
||
dnl Note this is parsed by (at least) make-dist and lisp/cedet/ede/emacs.el.
|
||
AC_INIT(GNU Emacs, 28.0.50, bug-gnu-emacs@gnu.org, , https://www.gnu.org/software/emacs/)
|
||
|
||
dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
|
||
dnl and then quoted again for a C string. Separate options with spaces.
|
||
dnl Add some environment variables, if they were passed via the environment
|
||
dnl rather than on the command-line.
|
||
emacs_config_options=
|
||
optsep=
|
||
dnl This is the documented way to record the args passed to configure,
|
||
dnl rather than $ac_configure_args.
|
||
for opt in "$@" CFLAGS CPPFLAGS LDFLAGS; do
|
||
case $opt in
|
||
-n | --no-create | --no-recursion)
|
||
continue ;;
|
||
CFLAGS | CPPFLAGS | LDFLAGS)
|
||
eval 'test "${'$opt'+set}" = set' || continue
|
||
case " $*" in
|
||
*" $opt="*) continue ;;
|
||
esac
|
||
eval opt=$opt=\$$opt ;;
|
||
esac
|
||
|
||
emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
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||
case $opt in
|
||
*[["$emacs_shell_specials"]]*)
|
||
case $opt in
|
||
*\'*)
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||
emacs_quote_apostrophes="s/'/'\\\\''/g"
|
||
opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
|
||
esac
|
||
opt="'$opt'"
|
||
case $opt in
|
||
*[['"\\']]*)
|
||
emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
|
||
opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
|
||
esac ;;
|
||
esac
|
||
AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
|
||
optsep=' '
|
||
done
|
||
|
||
AC_CONFIG_HEADERS(src/config.h:src/config.in)
|
||
AC_CONFIG_SRCDIR(src/lisp.h)
|
||
AC_CONFIG_AUX_DIR(build-aux)
|
||
AC_CONFIG_MACRO_DIR(m4)
|
||
|
||
xcsdkdir=
|
||
AC_CHECK_PROGS(XCRUN, [xcrun])
|
||
if test -n "$XCRUN"; then
|
||
if test -z "$MAKE"; then
|
||
dnl Call the variable MAKE_PROG, not MAKE, to avoid confusion with
|
||
dnl the usual MAKE variable that 'make' itself uses.
|
||
AC_CHECK_PROG([MAKE_PROG], [make], [yes])
|
||
if test -z "$MAKE_PROG"; then
|
||
MAKE="$XCRUN MAKE"
|
||
export MAKE
|
||
xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
|
||
fi
|
||
fi
|
||
fi
|
||
|
||
dnl Check for GNU Make and possibly set MAKE.
|
||
[emacs_check_gnu_make ()
|
||
{
|
||
emacs_makeout=`($1 --version) 2>/dev/null` &&
|
||
case $emacs_makeout in
|
||
'GNU Make '3.8[1-9]* | 'GNU Make '3.9[0-9]* | \
|
||
'GNU Make '3.[1-9][0-9][0-9]* | 'GNU Make '[4-9]* | 'GNU Make '[1-9][0-9]* )
|
||
ac_path_MAKE_found=:;;
|
||
esac
|
||
}]
|
||
AC_CACHE_CHECK([for GNU Make], [ac_cv_path_MAKE],
|
||
[ac_path_MAKE_found=false
|
||
if test -n "$MAKE"; then
|
||
emacs_check_gnu_make "$MAKE"
|
||
ac_cv_path_MAKE=$MAKE
|
||
else
|
||
emacs_tried_make=false
|
||
emacs_tried_gmake=false
|
||
emacs_tried_gnumake=false
|
||
AC_PATH_PROGS_FEATURE_CHECK([MAKE], [make gmake gnumake],
|
||
[[emacs_check_gnu_make "$ac_path_MAKE"
|
||
if $ac_path_MAKE_found; then
|
||
# Use the fully-qualified program name only if the basename
|
||
# would not resolve to it.
|
||
if eval \$emacs_tried_$ac_prog; then
|
||
ac_cv_path_MAKE=$ac_path_MAKE
|
||
else
|
||
ac_cv_path_MAKE=$ac_prog
|
||
fi
|
||
fi
|
||
eval emacs_tried_$ac_prog=:]])
|
||
fi])
|
||
$ac_path_MAKE_found || {
|
||
AC_MSG_ERROR([[Building Emacs requires GNU Make, at least version 3.81.
|
||
If you have it installed under another name, configure with 'MAKE=...'.
|
||
For example, run '$0 MAKE=gnu-make'.]])
|
||
}
|
||
MAKE=$ac_cv_path_MAKE
|
||
export MAKE
|
||
|
||
dnl Canonicalize the configuration name.
|
||
AC_CANONICAL_HOST
|
||
|
||
case $host in
|
||
*-mingw*)
|
||
|
||
if test -z "$host_alias"; then
|
||
|
||
# No --host argument was given to 'configure'; therefore $host
|
||
# was set to a default value based on the build platform. But
|
||
# this default value may be wrong if we are building from a
|
||
# 64-bit MSYS[2] pre-configured to build 32-bit MinGW programs.
|
||
# Therefore, we'll try to get the right host platform from the
|
||
# compiler's target.
|
||
|
||
AC_MSG_CHECKING([the compiler's target])
|
||
if test -z "$CC"; then
|
||
cc=gcc
|
||
else
|
||
cc=$CC
|
||
fi
|
||
cc_target=`$cc -v 2>&1 | sed -n 's/Target: //p'`
|
||
case "$cc_target" in
|
||
*-*) host=$cc_target
|
||
;;
|
||
"") AC_MSG_ERROR([Impossible to obtain $cc compiler target.
|
||
Please explicitly provide --host.])
|
||
;;
|
||
*) AC_MSG_WARN([Compiler reported non-standard target.
|
||
Defaulting to $host.])
|
||
;;
|
||
esac
|
||
AC_MSG_RESULT([$host])
|
||
fi
|
||
|
||
. $srcdir/nt/mingw-cfg.site
|
||
|
||
case $srcdir in
|
||
/* | ?:*)
|
||
# srcdir is an absolute path. In this case, force the format
|
||
# "/c/foo/bar", to simplify later conversions to native Windows
|
||
# format ("c:/foo/bar").
|
||
srcdir=`cd "${srcdir}" && pwd -W`
|
||
# 'eval' pacifies strict POSIX non-MinGW shells (Bug#18612).
|
||
# We downcase the drive letter to avoid warnings when
|
||
# generating autoloads.
|
||
eval 'srcdir=/`echo ${srcdir:0:1} | sed "y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/"`"${srcdir:2}"'
|
||
;;
|
||
esac;;
|
||
esac
|
||
|
||
canonical=$host
|
||
configuration=${host_alias-${build_alias-$host}}
|
||
emacs_uname_r=`uname -r`
|
||
|
||
dnl Support for --program-prefix, --program-suffix and
|
||
dnl --program-transform-name options
|
||
AC_ARG_PROGRAM
|
||
|
||
dnl It is important that variables on the RHS not be expanded here,
|
||
dnl hence the single quotes. This is per the GNU coding standards, see
|
||
dnl (autoconf) Installation Directory Variables
|
||
dnl See also epaths.h below.
|
||
lispdir='${datadir}/emacs/${version}/lisp'
|
||
standardlisppath='${lispdir}'
|
||
locallisppath='${datadir}/emacs/${version}/site-lisp:'\
|
||
'${datadir}/emacs/site-lisp'
|
||
lisppath='${locallisppath}:${standardlisppath}'
|
||
etcdir='${datadir}/emacs/${version}/etc'
|
||
archlibdir='${libexecdir}/emacs/${version}/${configuration}'
|
||
etcdocdir='${datadir}/emacs/${version}/etc'
|
||
gamedir='${localstatedir}/games/emacs'
|
||
|
||
dnl Special option to disable the most of other options.
|
||
AC_ARG_WITH(all,
|
||
[AS_HELP_STRING([--without-all],
|
||
[omit almost all features and build
|
||
small executable with minimal dependencies])],
|
||
[with_features=$withval],
|
||
[with_features=yes])
|
||
|
||
dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
|
||
dnl Create a new --with option that defaults to being disabled.
|
||
dnl NAME is the base name of the option. The shell variable with_NAME
|
||
dnl will be set to either the user's value (if the option is
|
||
dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
|
||
dnl option is not specified). Note that the shell variable name is
|
||
dnl constructed as autoconf does, by replacing non-alphanumeric
|
||
dnl characters with "_".
|
||
dnl HELP-STRING is the help text for the option.
|
||
AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
|
||
AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
|
||
m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
|
||
])dnl
|
||
|
||
dnl OPTION_DEFAULT_IFAVAILABLE(NAME, HELP-STRING)
|
||
dnl Create a new --with option that defaults to 'ifavailable'.
|
||
dnl NAME is the base name of the option. The shell variable with_NAME
|
||
dnl will be set to either the user's value (if the option is
|
||
dnl specified; 'yes' for a plain --with-NAME) or to 'ifavailable' (if the
|
||
dnl option is not specified). Note that the shell variable name is
|
||
dnl constructed as autoconf does, by replacing non-alphanumeric
|
||
dnl characters with "_".
|
||
dnl HELP-STRING is the help text for the option.
|
||
AC_DEFUN([OPTION_DEFAULT_IFAVAILABLE], [dnl
|
||
AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
|
||
m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=ifavailable])dnl
|
||
])dnl
|
||
|
||
|
||
dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
|
||
dnl Create a new --with option that defaults to $with_features.
|
||
dnl NAME is the base name of the option. The shell variable with_NAME
|
||
dnl will be set either to 'no' (for a plain --without-NAME) or to
|
||
dnl 'yes' (if the option is not specified). Note that the shell
|
||
dnl variable name is constructed as autoconf does, by replacing
|
||
dnl non-alphanumeric characters with "_".
|
||
dnl HELP-STRING is the help text for the option.
|
||
AC_DEFUN([OPTION_DEFAULT_ON], [dnl
|
||
AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
|
||
m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
|
||
])dnl
|
||
|
||
# For retrieving mail, unencrypted network connections are the default
|
||
# only on native MS-Windows platforms. (FIXME: These platforms should
|
||
# also be secure by default.)
|
||
|
||
AC_ARG_WITH([mailutils],
|
||
[AS_HELP_STRING([--with-mailutils],
|
||
[rely on GNU Mailutils, so that the --without-pop through --with-mailhost
|
||
options are irrelevant; this is the default if GNU Mailutils is
|
||
installed])],
|
||
[],
|
||
[with_mailutils=$with_features
|
||
if test "$with_mailutils" = yes; then
|
||
(movemail --version) >/dev/null 2>&1 || with_mailutils=no
|
||
fi])
|
||
if test "$with_mailutils" = no; then
|
||
with_mailutils=
|
||
fi
|
||
AC_SUBST([with_mailutils])
|
||
|
||
AC_ARG_WITH([pop],
|
||
[AS_HELP_STRING([--with-pop],
|
||
[Support POP mail retrieval if Emacs movemail is used (not recommended,
|
||
as Emacs movemail POP is insecure). This is the default only on
|
||
native MS-Windows.])],
|
||
[],
|
||
[case $host in
|
||
*-mingw*) with_pop=yes;;
|
||
*) with_pop=no-by-default;;
|
||
esac])
|
||
if test "$with_pop" = yes; then
|
||
AC_DEFINE(MAIL_USE_POP)
|
||
fi
|
||
AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
|
||
|
||
OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
|
||
if test "$with_kerberos" != no; then
|
||
AC_DEFINE(KERBEROS)
|
||
fi
|
||
AH_TEMPLATE(KERBEROS,
|
||
[Define to support Kerberos-authenticated POP mail retrieval.])dnl
|
||
|
||
OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
|
||
if test "${with_kerberos5}" != no; then
|
||
if test "${with_kerberos}" = no; then
|
||
with_kerberos=yes
|
||
AC_DEFINE(KERBEROS)
|
||
fi
|
||
AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
|
||
fi
|
||
|
||
OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
|
||
dnl FIXME hesiod support may not be present, so it seems like an error
|
||
dnl to define, or at least use, this unconditionally.
|
||
if test "$with_hesiod" != no; then
|
||
AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
|
||
fi
|
||
|
||
OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
|
||
if test "$with_mail_unlink" != no; then
|
||
AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
|
||
fi
|
||
|
||
AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
|
||
[string giving default POP mail host])],
|
||
AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
|
||
|
||
AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
|
||
[compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
|
||
default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW, Cygwin.])],
|
||
[ case "${withval}" in
|
||
yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
|
||
*) AC_MSG_ERROR(['--with-sound=$withval' is invalid;
|
||
this option's value should be 'yes', 'no', 'alsa', 'oss', or 'bsd-ossaudio'.])
|
||
;;
|
||
esac
|
||
with_sound=$val
|
||
],
|
||
[with_sound=$with_features])
|
||
|
||
AC_ARG_WITH([pdumper],
|
||
AS_HELP_STRING(
|
||
[--with-pdumper=VALUE],
|
||
[enable pdumper support unconditionally
|
||
('yes', 'no', or 'auto': default 'auto')]),
|
||
[ case "${withval}" in
|
||
yes|no|auto) val=$withval ;;
|
||
*) AC_MSG_ERROR(
|
||
['--with-pdumper=$withval' is invalid;
|
||
this option's value should be 'yes' or 'no'.]) ;;
|
||
esac
|
||
with_pdumper=$val
|
||
],
|
||
[with_pdumper=auto])
|
||
|
||
AC_ARG_WITH([unexec],
|
||
AS_HELP_STRING(
|
||
[--with-unexec=VALUE],
|
||
[enable unexec support unconditionally
|
||
('yes', 'no', or 'auto': default 'auto')]),
|
||
[ case "${withval}" in
|
||
yes|no|auto) val=$withval ;;
|
||
*) AC_MSG_ERROR(
|
||
['--with-unexec=$withval' is invalid;
|
||
this option's value should be 'yes' or 'no'.]) ;;
|
||
esac
|
||
with_unexec=$val
|
||
],
|
||
[with_unexec=auto])
|
||
|
||
AC_ARG_WITH([dumping],[AS_HELP_STRING([--with-dumping=VALUE],
|
||
[kind of dumping to use for initial Emacs build
|
||
(VALUE one of: pdumper, unexec, none; default pdumper)])],
|
||
[ case "${withval}" in
|
||
pdumper|unexec|none) val=$withval ;;
|
||
*) AC_MSG_ERROR(['--with-dumping=$withval is invalid;
|
||
this option's value should be 'pdumper', 'unexec', or 'none'.])
|
||
;;
|
||
esac
|
||
with_dumping=$val
|
||
],
|
||
[with_dumping=pdumper])
|
||
|
||
if test "$with_pdumper" = "auto"; then
|
||
if test "$with_dumping" = "pdumper"; then
|
||
with_pdumper=yes
|
||
else
|
||
with_pdumper=no
|
||
fi
|
||
fi
|
||
|
||
if test "$with_unexec" = "auto"; then
|
||
if test "$with_dumping" = "unexec"; then
|
||
with_unexec=yes
|
||
else
|
||
with_unexec=no
|
||
fi
|
||
fi
|
||
|
||
if test "$with_dumping" = "pdumper" && test "$with_pdumper" = "no"; then
|
||
AC_MSG_ERROR(['--with-dumping=pdumper' requires pdumper support])
|
||
fi
|
||
|
||
if test "$with_dumping" = "unexec" && test "$with_unexec" = "no"; then
|
||
AC_MSG_ERROR(['--with-dumping=unexec' requires unexec support])
|
||
fi
|
||
|
||
if test "$with_pdumper" = "yes"; then
|
||
AC_DEFINE([HAVE_PDUMPER], 1, [Define to build with portable dumper support])
|
||
HAVE_PDUMPER=yes
|
||
else
|
||
HAVE_PDUMPER=no
|
||
fi
|
||
AC_SUBST([HAVE_PDUMPER])
|
||
|
||
DUMPING=$with_dumping
|
||
AC_SUBST(DUMPING)
|
||
|
||
dnl FIXME currently it is not the last.
|
||
dnl This should be the last --with option, because --with-x is
|
||
dnl added later on when we find the file name of X, and it's best to
|
||
dnl keep them together visually.
|
||
AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
|
||
[use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
|
||
[ case "${withval}" in
|
||
y | ye | yes ) val=gtk ;;
|
||
n | no ) val=no ;;
|
||
l | lu | luc | luci | lucid ) val=lucid ;;
|
||
a | at | ath | athe | athen | athena ) val=athena ;;
|
||
m | mo | mot | moti | motif ) val=motif ;;
|
||
g | gt | gtk ) val=gtk ;;
|
||
gtk2 ) val=gtk2 ;;
|
||
gtk3 ) val=gtk3 ;;
|
||
* )
|
||
AC_MSG_ERROR(['--with-x-toolkit=$withval' is invalid;
|
||
this option's value should be 'yes', 'no', 'lucid', 'athena', 'motif', 'gtk',
|
||
'gtk2' or 'gtk3'. 'yes' and 'gtk' are synonyms.
|
||
'athena' and 'lucid' are synonyms.])
|
||
;;
|
||
esac
|
||
with_x_toolkit=$val
|
||
])
|
||
|
||
OPTION_DEFAULT_OFF([wide-int],
|
||
[prefer wide Emacs integers (typically 62-bit);
|
||
on 32-bit hosts, this allows buffer and string size up to 2GB,
|
||
at the cost of 10% to 30% slowdown of Lisp interpreter
|
||
and larger memory footprint])
|
||
if test "$with_wide_int" = yes; then
|
||
AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
|
||
fi
|
||
|
||
dnl _ON results in a '--without' option in the --help output, so
|
||
dnl the help text should refer to "don't compile", etc.
|
||
with_xpm_set=${with_xpm+set}
|
||
OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
|
||
OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
|
||
OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
|
||
OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
|
||
OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
|
||
OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
|
||
OPTION_DEFAULT_ON([lcms2],[don't compile with Little CMS support])
|
||
OPTION_DEFAULT_ON([libsystemd],[don't compile with libsystemd support])
|
||
OPTION_DEFAULT_ON([cairo],[don't compile with Cairo drawing])
|
||
OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
|
||
OPTION_DEFAULT_OFF([imagemagick],[compile with ImageMagick image support])
|
||
OPTION_DEFAULT_ON([native-image-api], [don't use native image APIs (GDI+ on Windows)])
|
||
OPTION_DEFAULT_IFAVAILABLE([json], [compile with native JSON support])
|
||
|
||
OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
|
||
OPTION_DEFAULT_ON([harfbuzz],[don't use HarfBuzz for text shaping])
|
||
OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
|
||
OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
|
||
|
||
OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif/Xaw3d/GTK toolkit scroll bars])
|
||
OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
|
||
OPTION_DEFAULT_ON([xim],[at runtime, default X11 XIM to off])
|
||
OPTION_DEFAULT_ON([xdbe],[don't use X11 double buffering support])
|
||
AC_ARG_WITH([ns],[AS_HELP_STRING([--with-ns],
|
||
[use Nextstep (macOS Cocoa or GNUstep) windowing system.
|
||
On by default on macOS.])],[],[with_ns=maybe])
|
||
OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
|
||
|
||
OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
|
||
OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
|
||
AC_ARG_WITH([gconf],[AS_HELP_STRING([--with-gconf],
|
||
[compile with Gconf support (Gsettings replaces this)])],[],
|
||
[if test $with_features = yes; then
|
||
with_gconf=maybe
|
||
else
|
||
with_gconf=no
|
||
fi])
|
||
OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
|
||
OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
|
||
OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
|
||
OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
|
||
OPTION_DEFAULT_ON([modules],[don't compile with dynamic modules support])
|
||
OPTION_DEFAULT_ON([threads],[don't compile with elisp threading support])
|
||
|
||
AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
|
||
[use a file notification library (LIB one of: yes, inotify, kqueue, gfile, w32, no)])],
|
||
[ case "${withval}" in
|
||
y | ye | yes ) val=yes ;;
|
||
n | no ) val=no ;;
|
||
i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
|
||
k | kq | kqu | kque | kqueu | kqueue ) val=kqueue ;;
|
||
g | gf | gfi | gfil | gfile ) val=gfile ;;
|
||
w | w3 | w32 ) val=w32 ;;
|
||
* ) AC_MSG_ERROR(['--with-file-notification=$withval' is invalid;
|
||
this option's value should be 'yes', 'no', 'inotify', 'kqueue', 'gfile' or 'w32'.
|
||
'yes' is a synonym for 'w32' on MS-Windows, for 'no' on Nextstep,
|
||
otherwise for the first of 'inotify', 'kqueue' or 'gfile' that is usable.])
|
||
;;
|
||
esac
|
||
with_file_notification=$val
|
||
],
|
||
[with_file_notification=$with_features])
|
||
|
||
OPTION_DEFAULT_OFF([xwidgets],
|
||
[enable use of xwidgets in Emacs buffers (requires gtk3 or macOS Cocoa)])
|
||
|
||
## For the times when you want to build Emacs but don't have
|
||
## a suitable makeinfo, and can live without the manuals.
|
||
dnl https://lists.gnu.org/r/emacs-devel/2008-04/msg01844.html
|
||
OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
|
||
|
||
## Makefile.in needs the cache file name.
|
||
AC_SUBST(cache_file)
|
||
|
||
## This is an option because I do not know if all info/man support
|
||
## compressed files, nor how to test if they do so.
|
||
OPTION_DEFAULT_ON([compress-install],
|
||
[don't compress some files (.el, .info, etc.) when installing. Equivalent to:
|
||
make GZIP_PROG= install])
|
||
|
||
AC_ARG_WITH(gameuser,dnl
|
||
[AS_HELP_STRING([--with-gameuser=USER_OR_GROUP],
|
||
[user for shared game score files.
|
||
An argument prefixed by ':' specifies a group instead.])])
|
||
gameuser=
|
||
gamegroup=
|
||
case ${with_gameuser} in
|
||
'' | no) ;;
|
||
yes) gamegroup=games ;;
|
||
:*) gamegroup=${with_gameuser#:} ;;
|
||
*) gameuser=${with_gameuser} ;;
|
||
esac
|
||
|
||
AC_ARG_WITH([gnustep-conf],dnl
|
||
[AS_HELP_STRING([--with-gnustep-conf=FILENAME],
|
||
[name of GNUstep configuration file to use on systems where the command
|
||
'gnustep-config' does not work; default $GNUSTEP_CONFIG_FILE, or
|
||
/etc/GNUstep/GNUstep.conf])])
|
||
test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
|
||
GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
|
||
test "X$GNUSTEP_CONFIG_FILE" = "X" && \
|
||
GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
|
||
|
||
AC_ARG_ENABLE(ns-self-contained,
|
||
[AS_HELP_STRING([--disable-ns-self-contained],
|
||
[disable self contained build under NeXTstep])],
|
||
EN_NS_SELF_CONTAINED=$enableval,
|
||
EN_NS_SELF_CONTAINED=yes)
|
||
|
||
locallisppathset=no
|
||
AC_ARG_ENABLE(locallisppath,
|
||
[AS_HELP_STRING([--enable-locallisppath=PATH],
|
||
[directories Emacs should search for lisp files specific
|
||
to this site])],
|
||
if test "${enableval}" = "no"; then
|
||
locallisppath=
|
||
elif test "${enableval}" != "yes"; then
|
||
locallisppath=${enableval} locallisppathset=yes
|
||
fi)
|
||
|
||
AC_ARG_ENABLE(checking,
|
||
[AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
|
||
[enable expensive checks. With LIST,
|
||
enable only specific categories of checks.
|
||
Categories are: all,yes,no.
|
||
Flags are: stringbytes, stringoverrun, stringfreelist,
|
||
structs, glyphs])],
|
||
[ac_checking_flags="${enableval}"],[])
|
||
IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
|
||
CHECK_STRUCTS=false
|
||
for check in $ac_checking_flags
|
||
do
|
||
case $check in
|
||
# these set all the flags to specific states
|
||
yes) ac_enable_checking=1 ;;
|
||
no) ac_enable_checking= ;
|
||
CHECK_STRUCTS=false
|
||
ac_gc_check_stringbytes= ;
|
||
ac_gc_check_string_overrun= ;
|
||
ac_gc_check_string_free_list= ;
|
||
ac_glyphs_debug= ;;
|
||
all) ac_enable_checking=1 ;
|
||
CHECK_STRUCTS=true
|
||
ac_gc_check_stringbytes=1 ;
|
||
ac_gc_check_string_overrun=1 ;
|
||
ac_gc_check_string_free_list=1 ;
|
||
ac_glyphs_debug=1 ;;
|
||
# these enable particular checks
|
||
stringbytes) ac_gc_check_stringbytes=1 ;;
|
||
stringoverrun) ac_gc_check_string_overrun=1 ;;
|
||
stringfreelist) ac_gc_check_string_free_list=1 ;;
|
||
structs) CHECK_STRUCTS=true ;;
|
||
glyphs) ac_glyphs_debug=1 ;;
|
||
*) AC_MSG_ERROR(unknown check category $check) ;;
|
||
esac
|
||
done
|
||
IFS="$ac_save_IFS"
|
||
|
||
if test x$ac_enable_checking != x ; then
|
||
AC_DEFINE(ENABLE_CHECKING, 1,
|
||
[Define to 1 if expensive run-time data type and consistency checks are enabled.])
|
||
fi
|
||
if $CHECK_STRUCTS; then
|
||
AC_DEFINE([CHECK_STRUCTS], 1,
|
||
[Define this to check whether someone updated the portable dumper
|
||
code after changing the layout of a structure that it uses.
|
||
If you change one of these structures, check that the pdumper.c
|
||
code is still valid, and update the pertinent hash in pdumper.c
|
||
by manually copying the hash from the newly-generated dmpstruct.h.])
|
||
fi
|
||
AC_SUBST([CHECK_STRUCTS])
|
||
if test x$ac_gc_check_stringbytes != x ; then
|
||
AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
|
||
[Define this temporarily to hunt a bug. If defined, the size of
|
||
strings is redundantly recorded in sdata structures so that it can
|
||
be compared to the sizes recorded in Lisp strings.])
|
||
fi
|
||
if test x$ac_gc_check_string_overrun != x ; then
|
||
AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
|
||
[Define this to check for short string overrun.])
|
||
fi
|
||
if test x$ac_gc_check_string_free_list != x ; then
|
||
AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
|
||
[Define this to check the string free list.])
|
||
fi
|
||
if test x$ac_glyphs_debug != x ; then
|
||
AC_DEFINE(GLYPH_DEBUG, 1,
|
||
[Define this to enable glyphs debugging code.])
|
||
fi
|
||
|
||
dnl The name of this option is unfortunate. It predates, and has no
|
||
dnl relation to, the "sampling-based elisp profiler" added in 24.3.
|
||
dnl Actually, it stops it working.
|
||
dnl https://lists.gnu.org/r/emacs-devel/2012-11/msg00393.html
|
||
AC_ARG_ENABLE(profiling,
|
||
[AS_HELP_STRING([--enable-profiling],
|
||
[build emacs with low-level, gprof profiling support.
|
||
Mainly useful for debugging Emacs itself. May not work on
|
||
all platforms. Stops profiler.el working.])],
|
||
[ac_enable_profiling="${enableval}"],[])
|
||
if test x$ac_enable_profiling != x ; then
|
||
PROFILING_CFLAGS="-DPROFILING=1 -pg"
|
||
else
|
||
PROFILING_CFLAGS=
|
||
fi
|
||
AC_SUBST(PROFILING_CFLAGS)
|
||
|
||
AC_ARG_ENABLE(autodepend,
|
||
[AS_HELP_STRING([--enable-autodepend],
|
||
[automatically generate dependencies to .h-files.
|
||
Requires gcc, enabled if found.])],
|
||
[ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
|
||
|
||
AC_ARG_ENABLE(gtk-deprecation-warnings,
|
||
[AS_HELP_STRING([--enable-gtk-deprecation-warnings],
|
||
[Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
|
||
[ac_enable_gtk_deprecation_warnings="${enableval}"],[])
|
||
|
||
BUILD_DETAILS=
|
||
AC_ARG_ENABLE([build-details],
|
||
[AS_HELP_STRING([--disable-build-details],
|
||
[Make the build more deterministic by omitting host
|
||
names, time stamps, etc. from the output.])],
|
||
[test "$enableval" = no && BUILD_DETAILS=--no-build-details])
|
||
AC_SUBST([BUILD_DETAILS])
|
||
|
||
dnl This used to use changequote, but, apart from 'changequote is evil'
|
||
dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
|
||
dnl the great gob of text. Thus it's not processed for possible expansion.
|
||
dnl Just make sure the brackets remain balanced.
|
||
dnl
|
||
dnl Since Emacs can't find matching pairs of quotes, boundaries are
|
||
dnl indicated by comments.
|
||
dnl quotation begins
|
||
[
|
||
|
||
### If you add support for a new configuration, add code to this
|
||
### switch statement to recognize your configuration name and select
|
||
### the appropriate opsys.
|
||
|
||
### As far as handling version numbers on operating systems is
|
||
### concerned, make sure things will fail in a fixable way. If
|
||
### /etc/MACHINES doesn't say anything about version numbers, be
|
||
### prepared to handle anything reasonably. If version numbers
|
||
### matter, be sure /etc/MACHINES says something about it.
|
||
|
||
opsys='' unported=no
|
||
case "${canonical}" in
|
||
|
||
## GNU/Linux and similar ports
|
||
*-*-linux* )
|
||
opsys=gnu-linux
|
||
;;
|
||
|
||
## FreeBSD ports
|
||
*-*-freebsd* )
|
||
opsys=freebsd
|
||
;;
|
||
|
||
## DragonFly ports
|
||
*-*-dragonfly* )
|
||
opsys=dragonfly
|
||
;;
|
||
|
||
## FreeBSD kernel + glibc based userland
|
||
*-*-kfreebsd*gnu* )
|
||
opsys=gnu-kfreebsd
|
||
;;
|
||
|
||
## NetBSD ports
|
||
*-*-netbsd* )
|
||
opsys=netbsd
|
||
;;
|
||
|
||
## OpenBSD ports
|
||
*-*-openbsd* | *-*-mirbsd* )
|
||
opsys=openbsd
|
||
;;
|
||
|
||
## Apple Darwin / macOS
|
||
*-apple-darwin* )
|
||
case "${canonical}" in
|
||
*-apple-darwin[0-9].*) unported=yes ;;
|
||
i[3456]86-* | x86_64-* | arm-* | aarch64-* ) ;;
|
||
* ) unported=yes ;;
|
||
esac
|
||
opsys=darwin
|
||
## FIXME: Find a way to use Fink if available (Bug#11507).
|
||
;;
|
||
|
||
## Chromium Native Client
|
||
*-nacl )
|
||
opsys=nacl
|
||
;;
|
||
|
||
## Cygwin ports
|
||
*-*-cygwin )
|
||
opsys=cygwin
|
||
;;
|
||
|
||
## HP 9000 series 700 and 800, running HP/UX
|
||
hppa*-hp-hpux10.2* )
|
||
opsys=hpux10-20
|
||
;;
|
||
hppa*-hp-hpux1[1-9]* )
|
||
opsys=hpux11
|
||
CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
|
||
;;
|
||
|
||
## IBM machines
|
||
rs6000-ibm-aix4.[23]* )
|
||
opsys=aix4-2
|
||
;;
|
||
powerpc-ibm-aix4.[23]* )
|
||
opsys=aix4-2
|
||
;;
|
||
rs6000-ibm-aix[56]* )
|
||
opsys=aix4-2
|
||
;;
|
||
powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
|
||
opsys=aix4-2
|
||
;;
|
||
|
||
## Solaris
|
||
*-*-solaris* | *-*-sunos*)
|
||
case "${canonical}" in
|
||
i[3456]86-*-* ) ;;
|
||
amd64-*-*|x86_64-*-*) ;;
|
||
sparc* ) ;;
|
||
* ) unported=yes ;;
|
||
esac
|
||
opsys=solaris
|
||
## Watch out for a compiler that we know will not work.
|
||
if [ "$CC" = /usr/ucb/cc ]; then
|
||
## /usr/ucb/cc doesn't work;
|
||
## we should find some other compiler that does work.
|
||
unset CC
|
||
fi
|
||
;;
|
||
|
||
## QNX Neutrino
|
||
*-nto-qnx* )
|
||
opsys=qnxnto
|
||
test -z "$CC" && CC=qcc
|
||
LDFLAGS="-N2M $LDFLAGS"
|
||
;;
|
||
|
||
## Intel 386 machines where we don't care about the manufacturer.
|
||
i[3456]86-*-* )
|
||
case "${canonical}" in
|
||
*-darwin* ) opsys=darwin ;;
|
||
*-mingw* )
|
||
opsys=mingw32
|
||
# MinGW overrides and adds some system headers in nt/inc.
|
||
GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
|
||
;;
|
||
*-sysv4.2uw* ) opsys=unixware ;;
|
||
*-sysv5uw* ) opsys=unixware ;;
|
||
*-sysv5OpenUNIX* ) opsys=unixware ;;
|
||
## Otherwise, we'll fall through to the generic opsys code at the bottom.
|
||
esac
|
||
;;
|
||
|
||
# MinGW64
|
||
x86_64-*-* )
|
||
case "${canonical}" in
|
||
*-mingw* )
|
||
opsys=mingw32
|
||
# MinGW overrides and adds some system headers in nt/inc.
|
||
GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
|
||
;;
|
||
## Otherwise, we'll fall through to the generic opsys code at the bottom.
|
||
esac
|
||
;;
|
||
|
||
* )
|
||
unported=yes
|
||
;;
|
||
esac
|
||
|
||
### If the code above didn't choose an operating system, just choose
|
||
### an operating system based on the configuration name. You really
|
||
### only want to use this when you have no idea what the right
|
||
### operating system is; if you know what operating systems a machine
|
||
### runs, it's cleaner to make it explicit in the case statement
|
||
### above.
|
||
if test x"${opsys}" = x; then
|
||
case "${canonical}" in
|
||
*-gnu* ) opsys=gnu ;;
|
||
* )
|
||
unported=yes
|
||
;;
|
||
esac
|
||
fi
|
||
|
||
]
|
||
dnl quotation ends
|
||
|
||
if test $unported = yes; then
|
||
AC_MSG_ERROR([Emacs does not support '${canonical}' systems.
|
||
If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
|
||
Check 'etc/MACHINES' for recognized configuration names.])
|
||
fi
|
||
|
||
#### Choose a compiler.
|
||
|
||
dnl Don't bother to test for C89.
|
||
AC_DEFUN([_AC_PROG_CC_C89], [$2])
|
||
|
||
dnl Sets GCC=yes if using gcc.
|
||
AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
|
||
if test -n "$XCRUN"; then
|
||
AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
|
||
test -n "$AR" && export AR
|
||
fi
|
||
|
||
dnl Emacs needs C99 or later.
|
||
gl_PROG_CC_C99
|
||
|
||
AC_PROG_CC_C_O
|
||
|
||
if test x$GCC = xyes; then
|
||
test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
|
||
fi
|
||
|
||
# Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
|
||
AC_DEFUN([gl_CRYPTO_CHECK])
|
||
# Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
|
||
# as we don't use them.
|
||
AC_DEFUN([gl_FCNTL_O_FLAGS])
|
||
# Avoid gnulib's test for pthread_sigmask.
|
||
funcs=
|
||
for func in $ac_func_list; do
|
||
test $func = pthread_sigmask || AS_VAR_APPEND([funcs], [" $func"])
|
||
done
|
||
ac_func_list=$funcs
|
||
# Emacs does not use the wchar or wctype-h modules.
|
||
AC_DEFUN([gt_TYPE_WINT_T],
|
||
[GNULIB_OVERRIDES_WINT_T=0
|
||
AC_SUBST([GNULIB_OVERRIDES_WINT_T])])
|
||
|
||
# Initialize gnulib right after choosing the compiler.
|
||
dnl Amongst other things, this sets AR and ARFLAGS.
|
||
gl_EARLY
|
||
|
||
if test "$ac_test_CFLAGS" != set; then
|
||
# It's helpful to have C macros available to GDB, so prefer -g3 to -g
|
||
# if -g3 works and the user does not specify CFLAGS.
|
||
# This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
|
||
case $CFLAGS in
|
||
'-g')
|
||
emacs_g3_CFLAGS='-g3';;
|
||
'-g -O2')
|
||
emacs_g3_CFLAGS='-g3 -O2';;
|
||
*)
|
||
emacs_g3_CFLAGS='';;
|
||
esac
|
||
if test -n "$emacs_g3_CFLAGS"; then
|
||
emacs_save_CFLAGS=$CFLAGS
|
||
CFLAGS=$emacs_g3_CFLAGS
|
||
AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
|
||
[emacs_cv_prog_cc_g3],
|
||
[AC_LINK_IFELSE([AC_LANG_PROGRAM()],
|
||
[emacs_cv_prog_cc_g3=yes],
|
||
[emacs_cv_prog_cc_g3=no])])
|
||
if test $emacs_cv_prog_cc_g3 != yes; then
|
||
CFLAGS=$emacs_save_CFLAGS
|
||
fi
|
||
if test $opsys = mingw32; then
|
||
CFLAGS="$CFLAGS -gdwarf-2"
|
||
fi
|
||
fi
|
||
|
||
case $CFLAGS in
|
||
*-O*) ;;
|
||
*)
|
||
# No optimization flag was inferred for this non-GCC compiler.
|
||
# Try -O. This is needed for xlc on AIX; see Bug#14258.
|
||
emacs_save_CFLAGS=$CFLAGS
|
||
test -z "$CFLAGS" || CFLAGS="$CFLAGS "
|
||
CFLAGS=${CFLAGS}-O
|
||
AC_CACHE_CHECK([whether $CC accepts -O],
|
||
[emacs_cv_prog_cc_o],
|
||
[AC_LINK_IFELSE([AC_LANG_PROGRAM()],
|
||
[emacs_cv_prog_cc_o=yes],
|
||
[emacs_cv_prog_cc_o=no])])
|
||
if test $emacs_cv_prog_cc_o != yes; then
|
||
CFLAGS=$emacs_save_CFLAGS
|
||
fi ;;
|
||
esac
|
||
fi
|
||
|
||
# gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
|
||
# ---------------------------------------------------------------------------
|
||
# If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
|
||
# Otherwise, run RUN-IF-NOT-FOUND.
|
||
AC_DEFUN([gl_GCC_VERSION_IFELSE],
|
||
[AC_PREPROC_IFELSE(
|
||
[AC_LANG_PROGRAM(
|
||
[[
|
||
#if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
|
||
/* ok */
|
||
#else
|
||
# error "your version of gcc is older than $1.$2"
|
||
#endif
|
||
]]),
|
||
], [$3], [$4])
|
||
]
|
||
)
|
||
|
||
AC_ARG_ENABLE([gcc-warnings],
|
||
[AS_HELP_STRING([--enable-gcc-warnings@<:@=TYPE@:>@],
|
||
[control generation of GCC warnings. The TYPE 'yes'
|
||
means to fail if any warnings are issued; 'warn-only'
|
||
means issue warnings without failing (default for
|
||
developer builds); 'no' means disable warnings
|
||
(default for non-developer builds).])],
|
||
[case $enableval in
|
||
yes|no|warn-only) ;;
|
||
*) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
|
||
esac
|
||
gl_gcc_warnings=$enableval],
|
||
[# By default, use 'warn-only' if it looks like the invoker of 'configure'
|
||
# is a developer as opposed to a builder. This is most likely true
|
||
# if GCC is recent enough and there is a .git directory or file;
|
||
# however, if there is also a .tarball-version file it is probably
|
||
# just a release imported into Git for patch management.
|
||
gl_gcc_warnings=no
|
||
if test -e "$srcdir"/.git && test ! -f "$srcdir"/.tarball-version; then
|
||
gl_GCC_VERSION_IFELSE([5], [3], [gl_gcc_warnings=warn-only])
|
||
fi])
|
||
|
||
AC_ARG_ENABLE([check-lisp-object-type],
|
||
[AS_HELP_STRING([--enable-check-lisp-object-type],
|
||
[Enable compile time checks for the Lisp_Object data type,
|
||
which can catch some bugs during development.])])
|
||
if test "$enable_check_lisp_object_type" = yes; then
|
||
AC_DEFINE([CHECK_LISP_OBJECT_TYPE], 1,
|
||
[Define to enable compile-time checks for the Lisp_Object data type.])
|
||
fi
|
||
|
||
# clang is unduly picky about some things.
|
||
AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
|
||
[AC_COMPILE_IFELSE(
|
||
[AC_LANG_PROGRAM([[
|
||
#ifndef __clang__
|
||
error "not clang";
|
||
#endif
|
||
]])],
|
||
[emacs_cv_clang=yes],
|
||
[emacs_cv_clang=no])])
|
||
|
||
WERROR_CFLAGS=
|
||
# When compiling with GCC, prefer -isystem to -I when including system
|
||
# include files, to avoid generating useless diagnostics for the files.
|
||
AS_IF([test $gl_gcc_warnings = no],
|
||
[
|
||
isystem='-I'
|
||
AS_IF([test "$emacs_cv_clang" = yes],
|
||
[
|
||
# Turn off some warnings if supported.
|
||
gl_WARN_ADD([-Wno-switch])
|
||
gl_WARN_ADD([-Wno-pointer-sign])
|
||
gl_WARN_ADD([-Wno-string-plus-int])
|
||
gl_WARN_ADD([-Wno-unknown-attributes])
|
||
])
|
||
],[
|
||
isystem='-isystem '
|
||
|
||
# This, $nw, is the list of warnings we disable.
|
||
nw=
|
||
|
||
case $with_x_toolkit in
|
||
lucid | athena | motif)
|
||
# Old toolkits mishandle 'const'.
|
||
nw="$nw -Wwrite-strings"
|
||
;;
|
||
esac
|
||
AS_IF([test $gl_gcc_warnings = yes],
|
||
[WERROR_CFLAGS=-Werror],
|
||
[# Use -fanalyzer and related options only if --enable-gcc-warnings,
|
||
# as they slow GCC considerably.
|
||
nw="$nw -fanalyzer -Wno-analyzer-double-free -Wno-analyzer-malloc-leak"
|
||
nw="$nw -Wno-analyzer-null-dereference -Wno-analyzer-use-after-free"
|
||
# Use -Wsuggest-attribute=malloc only if --enable-gcc-warnings,
|
||
# as it doesn't flag code that is wrong in any way.
|
||
nw="$nw -Wsuggest-attribute=malloc"])
|
||
|
||
nw="$nw -Wcast-align=strict" # Emacs is tricky with pointers.
|
||
nw="$nw -Wduplicated-branches" # Too many false alarms
|
||
nw="$nw -Wformat-overflow=2" # False alarms due to GCC bug 80776
|
||
nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
|
||
nw="$nw -Woverlength-strings" # Not a problem these days
|
||
nw="$nw -Wvla" # Emacs uses <vla.h>.
|
||
nw="$nw -Wunused-const-variable=2" # lisp.h declares const objects.
|
||
nw="$nw -Winline" # OK to ignore 'inline'
|
||
nw="$nw -Wstrict-overflow" # OK to optimize assuming that
|
||
# signed overflow has undefined behavior
|
||
nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
|
||
nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
|
||
nw="$nw -Wbad-function-cast" # These casts are no worse than others.
|
||
|
||
# Emacs doesn't care about shadowing; see
|
||
# <https://lists.gnu.org/r/emacs-diffs/2011-11/msg00265.html>.
|
||
nw="$nw -Wshadow"
|
||
|
||
# Emacs's use of alloca inhibits protecting the stack.
|
||
nw="$nw -Wstack-protector"
|
||
|
||
# Emacs's use of __attribute__ ((cold)) causes false alarms with this option.
|
||
nw="$nw -Wsuggest-attribute=cold"
|
||
|
||
# Emacs's use of partly-const functions such as Fgnutls_available_p
|
||
# make this option problematic.
|
||
nw="$nw -Wsuggest-attribute=const"
|
||
|
||
# Emacs's use of partly-pure functions such as CHECK_TYPE make this
|
||
# option problematic.
|
||
nw="$nw -Wsuggest-attribute=pure"
|
||
|
||
if test "$emacs_cv_clang" = yes; then
|
||
nw="$nw -Wdouble-promotion"
|
||
fi
|
||
|
||
# This causes too much noise in the MinGW build.
|
||
if test $opsys = mingw32; then
|
||
nw="$nw -Wsuggest-attribute=format"
|
||
fi
|
||
|
||
gl_MANYWARN_ALL_GCC([ws])
|
||
gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
|
||
for w in $ws; do
|
||
gl_WARN_ADD([$w])
|
||
done
|
||
gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
|
||
gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
|
||
gl_WARN_ADD([-Wno-override-init]) # More trouble than it is worth
|
||
gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
|
||
gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
|
||
gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
|
||
gl_WARN_ADD([-Wno-format-nonliteral])
|
||
|
||
# clang is unduly picky about some things.
|
||
if test "$emacs_cv_clang" = yes; then
|
||
gl_WARN_ADD([-Wno-missing-braces])
|
||
gl_WARN_ADD([-Wno-null-pointer-arithmetic])
|
||
fi
|
||
|
||
# This causes too much noise in the MinGW build
|
||
if test $opsys = mingw32; then
|
||
gl_WARN_ADD([-Wno-pointer-sign])
|
||
fi
|
||
|
||
AC_DEFINE([GCC_LINT], [1], [Define to 1 if --enable-gcc-warnings.])
|
||
AS_IF([test $gl_gcc_warnings = yes],
|
||
[AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
|
||
AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
|
||
[/* Enable compile-time and run-time bounds-checking, and some warnings,
|
||
without upsetting glibc 2.15+. */
|
||
#if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
|
||
&& defined __OPTIMIZE__ && __OPTIMIZE__)
|
||
# define _FORTIFY_SOURCE 2
|
||
#endif
|
||
])])
|
||
])
|
||
|
||
# clang is picky about these regardless of whether
|
||
# --enable-gcc-warnings is specified.
|
||
if test "$emacs_cv_clang" = yes; then
|
||
gl_WARN_ADD([-Wno-initializer-overrides])
|
||
gl_WARN_ADD([-Wno-tautological-compare])
|
||
gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
|
||
fi
|
||
|
||
# Use a slightly smaller set of warning options for lib/.
|
||
nw=
|
||
nw="$nw -Wunused-macros"
|
||
gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
|
||
|
||
AC_SUBST([WERROR_CFLAGS])
|
||
AC_SUBST([GNULIB_WARN_CFLAGS])
|
||
|
||
edit_cflags="
|
||
s,///*,/,g
|
||
s/^/ /
|
||
s/ -I/ $isystem/g
|
||
s/^ //
|
||
"
|
||
|
||
AC_ARG_ENABLE(link-time-optimization,
|
||
[AS_HELP_STRING([--enable-link-time-optimization],
|
||
[build with link-time optimization
|
||
(experimental; see INSTALL)])],
|
||
if test "${enableval}" != "no"; then
|
||
ac_lto_supported=no
|
||
if test "$emacs_cv_clang" = yes; then
|
||
AC_MSG_CHECKING([whether link-time optimization is supported by clang])
|
||
GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
|
||
if test -x "$GOLD_PLUGIN"; then
|
||
LTO="-flto"
|
||
fi
|
||
elif test x$GCC = xyes; then
|
||
AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
|
||
CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
|
||
if test x$CPUS != x; then
|
||
LTO="-flto=$CPUS"
|
||
else
|
||
LTO="-flto"
|
||
fi
|
||
else
|
||
AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
|
||
fi
|
||
if test -z "$LTO"; then
|
||
ac_lto_supported=no
|
||
else
|
||
old_CFLAGS=$CFLAGS
|
||
CFLAGS="$CFLAGS $LTO"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[ac_lto_supported=yes], [ac_lto_supported=no])
|
||
CFLAGS="$old_CFLAGS"
|
||
fi
|
||
AC_MSG_RESULT([$ac_lto_supported])
|
||
if test "$ac_lto_supported" = "yes"; then
|
||
CFLAGS="$CFLAGS $LTO"
|
||
if test "$emacs_cv_clang" = yes; then
|
||
AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
|
||
# WARNING: 'ar --plugin ...' doesn't work without
|
||
# command, so plugin name is appended to ARFLAGS.
|
||
ARFLAGS="cru --plugin $GOLD_PLUGIN"
|
||
RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
|
||
else
|
||
dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
|
||
dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
|
||
dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
|
||
dnl dump core on Fedora 20, so play it safe for now.
|
||
gl_COMPILER_OPTION_IF([-ffat-lto-objects],
|
||
[CFLAGS="$CFLAGS -ffat-lto-objects"])
|
||
fi
|
||
fi
|
||
fi)
|
||
|
||
|
||
dnl Automake replacements.
|
||
AC_DEFUN([AM_CONDITIONAL],
|
||
[$2 && $1=1 || $1=
|
||
AC_SUBST([$1])])
|
||
|
||
dnl Prefer silent make output. For verbose output, use
|
||
dnl 'configure --disable-silent-rules' or 'make V=1' .
|
||
dnl This code is adapted from Automake.
|
||
dnl Although it can be simplified now that GNU Make is assumed,
|
||
dnl the simplification hasn't been done yet.
|
||
AC_ARG_ENABLE([silent-rules],
|
||
[AS_HELP_STRING(
|
||
[--disable-silent-rules],
|
||
[verbose build output (undo: "make V=0")])])
|
||
if test "$enable_silent_rules" = no; then
|
||
AM_DEFAULT_VERBOSITY=1
|
||
else
|
||
AM_DEFAULT_VERBOSITY=0
|
||
fi
|
||
AM_V='$(V)'
|
||
AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
|
||
AC_SUBST([AM_V])
|
||
AC_SUBST([AM_DEFAULT_V])
|
||
AC_SUBST([AM_DEFAULT_VERBOSITY])
|
||
|
||
dnl Some other nice autoconf tests.
|
||
AC_PROG_INSTALL
|
||
dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
|
||
dnl AC_PROG_MKDIR_P
|
||
dnl if test "x$RANLIB" = x; then
|
||
dnl AC_PROG_RANLIB
|
||
dnl fi
|
||
|
||
|
||
dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
|
||
dnl can be made to directories. This is not relevant for our usage, and
|
||
dnl excludes some cases that work fine for us. Eg MS Windows or files
|
||
dnl hosted on AFS, both examples where simple links work, but links to
|
||
dnl directories fail. We use a cut-down version instead.
|
||
dnl AC_PROG_LN_S
|
||
|
||
AC_CACHE_CHECK([command to symlink files in the same directory], [emacs_cv_ln_s_fileonly],
|
||
[rm -f conf$$ conf$$.file
|
||
|
||
emacs_cv_ln_s_fileonly='cp -p'
|
||
|
||
dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
|
||
dnl random program in the current directory.
|
||
if (echo >conf$$.file) 2>/dev/null; then
|
||
if test "$opsys" = "mingw32"; then
|
||
emacs_cv_ln_s_fileonly=/bin/ln
|
||
elif ln -s conf$$.file conf$$ 2>/dev/null; then
|
||
emacs_cv_ln_s_fileonly='ln -s'
|
||
elif ln conf$$.file conf$$ 2>/dev/null; then
|
||
emacs_cv_ln_s_fileonly=ln
|
||
fi
|
||
fi
|
||
|
||
rm -f conf$$ conf$$.file])
|
||
LN_S_FILEONLY=$emacs_cv_ln_s_fileonly
|
||
|
||
AC_SUBST(LN_S_FILEONLY)
|
||
|
||
|
||
dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
|
||
dnl doesn't support links to directories, as in "ln file dir". But that
|
||
dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
|
||
dnl executables at "make install" time.
|
||
dnl See https://lists.gnu.org/r/emacs-devel/2013-04/msg00475.html
|
||
dnl for more details.
|
||
if test "$opsys" = "mingw32"; then
|
||
LN_S="/bin/ln"
|
||
fi
|
||
|
||
dnl On some Debian versions, "install-info" prints irritating messages
|
||
dnl "This is not dpkg install-info anymore, but GNU install-info"
|
||
dnl if called via an absolute file name.
|
||
dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
|
||
dnl Sadly some people may have an old ginstall-info installed on
|
||
dnl non-Debian systems, so we can't use this.
|
||
dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
|
||
dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
|
||
|
||
AC_PATH_PROG(INSTALL_INFO, install-info, :,
|
||
$PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
|
||
dnl Don't use GZIP, which is used by gzip for additional parameters.
|
||
AC_PATH_PROG(GZIP_PROG, gzip)
|
||
|
||
test $with_compress_install != yes && test -n "$GZIP_PROG" && \
|
||
GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
|
||
|
||
if test "$with_dumping" = "unexec" && test "$opsys" = "nacl"; then
|
||
AC_MSG_ERROR([nacl is not compatible with --with-dumping=unexec])
|
||
fi
|
||
|
||
AC_CACHE_CHECK([for 'find' args to delete a file],
|
||
[emacs_cv_find_delete],
|
||
[if touch conftest.tmp && find conftest.tmp -delete 2>/dev/null &&
|
||
test ! -f conftest.tmp
|
||
then emacs_cv_find_delete="-delete"
|
||
else emacs_cv_find_delete="-exec rm -f {} ';'"
|
||
fi])
|
||
FIND_DELETE=$emacs_cv_find_delete
|
||
AC_SUBST([FIND_DELETE])
|
||
|
||
PAXCTL_dumped=
|
||
PAXCTL_notdumped=
|
||
if test $with_unexec = yes && test $opsys = gnu-linux; then
|
||
if test "${SETFATTR+set}" != set; then
|
||
AC_CACHE_CHECK([for setfattr],
|
||
[emacs_cv_prog_setfattr],
|
||
[touch conftest.tmp
|
||
if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
|
||
emacs_cv_prog_setfattr=yes
|
||
else
|
||
emacs_cv_prog_setfattr=no
|
||
fi])
|
||
if test "$emacs_cv_prog_setfattr" = yes; then
|
||
PAXCTL_notdumped='$(SETFATTR) -n user.pax.flags -v er'
|
||
SETFATTR=setfattr
|
||
else
|
||
SETFATTR=
|
||
fi
|
||
fi
|
||
case $opsys,$PAXCTL_notdumped,$emacs_uname_r in
|
||
gnu-linux,,* | netbsd,,[0-7].*)
|
||
AC_PATH_PROG([PAXCTL], [paxctl], [],
|
||
[$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
|
||
if test -n "$PAXCTL"; then
|
||
if test "$opsys" = netbsd; then
|
||
PAXCTL_dumped='$(PAXCTL) +a'
|
||
PAXCTL_notdumped=$PAXCTL_dumped
|
||
else
|
||
AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
|
||
AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
|
||
[if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then
|
||
AC_MSG_RESULT([yes])
|
||
else
|
||
AC_MSG_RESULT([no])
|
||
PAXCTL=
|
||
fi])
|
||
if test -n "$PAXCTL"; then
|
||
PAXCTL_dumped='$(PAXCTL) -zex'
|
||
PAXCTL_notdumped='$(PAXCTL) -r'
|
||
fi
|
||
fi
|
||
fi;;
|
||
esac
|
||
fi
|
||
AC_SUBST([PAXCTL_dumped])
|
||
AC_SUBST([PAXCTL_notdumped])
|
||
AC_SUBST([SETFATTR])
|
||
|
||
# Makeinfo on macOS is ancient, check whether there is a more recent
|
||
# version installed by Homebrew.
|
||
AC_CHECK_PROGS(BREW, [brew])
|
||
if test -n "$BREW"; then
|
||
AC_PATH_PROG([MAKEINFO], [makeinfo], [],
|
||
[`$BREW --prefix texinfo 2>/dev/null`/bin$PATH_SEPARATOR$PATH])
|
||
fi
|
||
|
||
## Require makeinfo >= 4.13 (last of the 4.x series) to build the manuals.
|
||
if test "${MAKEINFO:=makeinfo}" != "no"; then
|
||
case `($MAKEINFO --version) 2>/dev/null` in
|
||
*' (GNU texinfo) '4.1[[3-9]]* | \
|
||
*' (GNU texinfo) '[[5-9]]* | \
|
||
*' (GNU texinfo) '[[1-9][0-9]]* ) ;;
|
||
*) MAKEINFO=no;;
|
||
esac
|
||
fi
|
||
|
||
## Makeinfo is unusual. For a released Emacs, the manuals are
|
||
## pre-built, and not deleted by the normal clean rules. makeinfo is
|
||
## therefore in the category of "special tools" not normally required, which
|
||
## configure does not have to check for (eg autoconf itself).
|
||
## In a repository checkout on the other hand, the manuals are not included.
|
||
## So makeinfo is a requirement to build from the repository, and configure
|
||
## should test for it as it does for any other build requirement.
|
||
## We use the presence of $srcdir/info/emacs to distinguish a release,
|
||
## with pre-built manuals, from a repository checkout.
|
||
HAVE_MAKEINFO=yes
|
||
|
||
if test "$MAKEINFO" = "no"; then
|
||
MAKEINFO=makeinfo
|
||
if test "x${with_makeinfo}" = "xno"; then
|
||
HAVE_MAKEINFO=no
|
||
elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
|
||
AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.13, and your
|
||
source tree does not seem to have pre-built manuals in the 'info' directory.
|
||
Either install a suitable version of makeinfo, or re-run configure
|
||
with the '--without-makeinfo' option to build without the manuals.] )
|
||
fi
|
||
fi
|
||
AC_SUBST([MAKEINFO])
|
||
AC_SUBST(HAVE_MAKEINFO)
|
||
|
||
if test $opsys = mingw32; then
|
||
DOCMISC_W32=efaq-w32
|
||
else
|
||
DOCMISC_W32=
|
||
fi
|
||
AC_SUBST(DOCMISC_W32)
|
||
|
||
dnl Add our options to ac_link now, after it is set up.
|
||
|
||
if test x$GCC = xyes; then
|
||
test "x$GCC_LINK_TEST_OPTIONS" != x && \
|
||
ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
|
||
else
|
||
test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
|
||
ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
|
||
fi
|
||
|
||
dnl On some platforms using GNU ld, linking temacs needs -znocombreloc.
|
||
dnl Although this has something to do with dumping, the details are unknown.
|
||
dnl If the flag is used but not needed,
|
||
dnl Emacs should still work (albeit a bit more slowly),
|
||
dnl so use the flag everywhere that it is supported.
|
||
dnl When testing whether the flag works, treat GCC specially
|
||
dnl since it just gives a non-fatal 'unrecognized option'
|
||
dnl if not built to support GNU ld.
|
||
if test "$GCC" = yes; then
|
||
LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
|
||
else
|
||
LDFLAGS_NOCOMBRELOC="-znocombreloc"
|
||
fi
|
||
|
||
AC_CACHE_CHECK([for -znocombreloc], [emacs_cv_znocombreloc],
|
||
[if test $with_unexec = no; then
|
||
emacs_cv_znocombreloc='not needed'
|
||
else
|
||
save_LDFLAGS=$LDFLAGS
|
||
LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
|
||
AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
|
||
[emacs_cv_znocombreloc=yes], [emacs_cv_znocombreloc=no])
|
||
LDFLAGS=$save_LDFLAGS
|
||
fi])
|
||
|
||
case $emacs_cv_znocombreloc in
|
||
no*)
|
||
LDFLAGS_NOCOMBRELOC= ;;
|
||
esac
|
||
|
||
|
||
AC_CACHE_CHECK([whether addresses are sanitized],
|
||
[emacs_cv_sanitize_address],
|
||
[AC_COMPILE_IFELSE(
|
||
[AC_LANG_PROGRAM(
|
||
[[#ifndef __has_feature
|
||
#define __has_feature(f) 0
|
||
#endif
|
||
#if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
|
||
#else
|
||
error "Addresses are not sanitized.";
|
||
#endif
|
||
]])],
|
||
[emacs_cv_sanitize_address=yes],
|
||
[emacs_cv_sanitize_address=no])])
|
||
|
||
if test $with_unexec = yes; then
|
||
AC_DEFINE([HAVE_UNEXEC], 1, [Define if Emacs supports unexec.])
|
||
if test "$emacs_cv_sanitize_address" = yes; then
|
||
AC_MSG_WARN([[Addresses are sanitized; suggest --without-unexec]])
|
||
fi
|
||
fi
|
||
|
||
|
||
UNEXEC_OBJ=
|
||
test $with_unexec = yes &&
|
||
case "$opsys" in
|
||
# MSDOS uses unexcoff.o
|
||
aix4-2)
|
||
UNEXEC_OBJ=unexaix.o
|
||
;;
|
||
cygwin)
|
||
UNEXEC_OBJ=unexcw.o
|
||
;;
|
||
darwin)
|
||
UNEXEC_OBJ=unexmacosx.o
|
||
;;
|
||
hpux10-20 | hpux11)
|
||
UNEXEC_OBJ=unexhp9k800.o
|
||
;;
|
||
mingw32)
|
||
UNEXEC_OBJ=unexw32.o
|
||
;;
|
||
solaris)
|
||
# Use the Solaris dldump() function, called from unexsol.c, to dump
|
||
# emacs, instead of the generic ELF dump code found in unexelf.c.
|
||
# The resulting binary has a complete symbol table, and is better
|
||
# for debugging and other observability tools (debuggers, pstack, etc).
|
||
UNEXEC_OBJ=unexsol.o
|
||
;;
|
||
*)
|
||
UNEXEC_OBJ=unexelf.o
|
||
;;
|
||
esac
|
||
AC_SUBST(UNEXEC_OBJ)
|
||
|
||
LD_SWITCH_SYSTEM=
|
||
test "$with_unexec" = no || case "$opsys" in
|
||
freebsd|dragonfly)
|
||
## Let 'ld' find image libs and similar things in /usr/local/lib.
|
||
## The system compiler, GCC, has apparently been modified to not
|
||
## look there, contrary to what a stock GCC would do.
|
||
### It's not our place to do this. See bug#10313#17.
|
||
### LD_SWITCH_SYSTEM=-L/usr/local/lib
|
||
:
|
||
;;
|
||
|
||
gnu-linux)
|
||
## cpp test was "ifdef __mips__", but presumably this is equivalent...
|
||
case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
|
||
;;
|
||
|
||
netbsd)
|
||
### It's not our place to do this. See bug#10313#17.
|
||
### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
|
||
:
|
||
;;
|
||
|
||
openbsd)
|
||
## Han Boetes <han@boetes.org> says this is necessary,
|
||
## otherwise Emacs dumps core on elf systems.
|
||
LD_SWITCH_SYSTEM="-Z"
|
||
;;
|
||
esac
|
||
AC_SUBST(LD_SWITCH_SYSTEM)
|
||
|
||
ac_link="$ac_link $LD_SWITCH_SYSTEM"
|
||
|
||
## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
|
||
## which has not been defined yet. When this was handled with cpp,
|
||
## it was expanded to null when configure sourced the s/*.h file.
|
||
## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
|
||
## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
|
||
## (or somesuch), but because it is supposed to go at the _front_
|
||
## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
|
||
## Compare with the gnu-linux case below, which added to the end
|
||
## of LD_SWITCH_SYSTEM, and so can instead go at the front of
|
||
## LD_SWITCH_SYSTEM_TEMACS.
|
||
case "$opsys" in
|
||
netbsd|openbsd)
|
||
LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
|
||
esac
|
||
|
||
C_SWITCH_MACHINE=
|
||
|
||
test $with_unexec = yes &&
|
||
case $canonical in
|
||
alpha*)
|
||
## With ELF, make sure that all common symbols get allocated to in the
|
||
## data section. Otherwise, the dump of temacs may miss variables in
|
||
## the shared library that have been initialized. For example, with
|
||
## GNU libc, __malloc_initialized would normally be resolved to the
|
||
## shared library's .bss section, which is fatal.
|
||
if test "x$GCC" = "xyes"; then
|
||
C_SWITCH_MACHINE="-fno-common"
|
||
else
|
||
AC_MSG_ERROR([Non-GCC compilers are not supported.])
|
||
fi
|
||
;;
|
||
esac
|
||
AC_SUBST(C_SWITCH_MACHINE)
|
||
|
||
C_SWITCH_SYSTEM=
|
||
## Some programs in src produce warnings saying certain subprograms
|
||
## are too complex and need a MAXMEM value greater than 2000 for
|
||
## additional optimization. --nils@exp-math.uni-essen.de
|
||
test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
|
||
C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
|
||
if test "$opsys" = "mingw32"; then
|
||
case "$canonical" in
|
||
x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
|
||
*) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
|
||
esac
|
||
fi
|
||
## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
|
||
## It is redundant in glibc2, since we define _GNU_SOURCE.
|
||
AC_SUBST(C_SWITCH_SYSTEM)
|
||
|
||
|
||
LIBS_SYSTEM=
|
||
case "$opsys" in
|
||
## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
|
||
aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
|
||
|
||
freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
|
||
|
||
hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
|
||
|
||
qnxnto) LIBS_SYSTEM="-lsocket" ;;
|
||
|
||
solaris) LIBS_SYSTEM="-lsocket -lnsl" ;;
|
||
|
||
## Motif needs -lgen.
|
||
unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
|
||
esac
|
||
|
||
AC_SUBST(LIBS_SYSTEM)
|
||
|
||
### Make sure subsequent tests use flags consistent with the build flags.
|
||
|
||
if test x"${OVERRIDE_CPPFLAGS}" != x; then
|
||
CPPFLAGS="${OVERRIDE_CPPFLAGS}"
|
||
else
|
||
CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
|
||
fi
|
||
|
||
# Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
|
||
AC_DEFUN([AC_TYPE_SIZE_T])
|
||
# Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
|
||
AC_DEFUN([AC_TYPE_UID_T])
|
||
|
||
# sqrt and other floating-point functions such as fmod and frexp
|
||
# are found in -lm on many systems.
|
||
OLD_LIBS=$LIBS
|
||
AC_SEARCH_LIBS([sqrt], [m])
|
||
if test "X$LIBS" = "X$OLD_LIBS"; then
|
||
LIB_MATH=
|
||
else
|
||
LIB_MATH=$ac_cv_search_sqrt
|
||
fi
|
||
LIBS=$OLD_LIBS
|
||
|
||
dnl Current possibilities handled by sed (aix4-2 -> aix,
|
||
dnl gnu-linux -> gnu/linux, etc.):
|
||
dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux.
|
||
dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
|
||
SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
|
||
|
||
case $opsys in
|
||
cygwin )
|
||
LIB_MATH=
|
||
;;
|
||
darwin )
|
||
## Adding -lm confuses the dynamic linker, so omit it.
|
||
LIB_MATH=
|
||
;;
|
||
freebsd | dragonfly )
|
||
SYSTEM_TYPE=berkeley-unix
|
||
;;
|
||
gnu-linux | gnu-kfreebsd )
|
||
;;
|
||
hpux10-20 | hpux11 )
|
||
;;
|
||
mingw32 )
|
||
LIB_MATH=
|
||
SYSTEM_TYPE=windows-nt
|
||
;;
|
||
netbsd | openbsd )
|
||
SYSTEM_TYPE=berkeley-unix
|
||
;;
|
||
|
||
solaris | unixware )
|
||
SYSTEM_TYPE=usg-unix-v
|
||
;;
|
||
|
||
esac
|
||
|
||
AC_SUBST(LIB_MATH)
|
||
AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
|
||
[The type of system you are compiling for; sets 'system-type'.])
|
||
AC_SUBST([SYSTEM_TYPE])
|
||
|
||
|
||
pre_PKG_CONFIG_CFLAGS=$CFLAGS
|
||
pre_PKG_CONFIG_LIBS=$LIBS
|
||
|
||
PKG_PROG_PKG_CONFIG(0.9.0)
|
||
|
||
dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
|
||
dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
|
||
dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
|
||
dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
|
||
dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
|
||
dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
|
||
dnl actions.
|
||
AC_DEFUN([EMACS_CHECK_MODULES],
|
||
[PKG_CHECK_MODULES([$1], [$2],
|
||
[$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
|
||
m4_default([$3], [HAVE_$1=yes])],
|
||
[m4_default([$4], [HAVE_$1=no])])])
|
||
|
||
HAVE_SOUND=no
|
||
if test "${with_sound}" != "no"; then
|
||
# Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
|
||
AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
|
||
have_sound_header=yes, [], [
|
||
#ifdef __MINGW32__
|
||
#define WIN32_LEAN_AND_MEAN
|
||
#include <windows.h>
|
||
#endif
|
||
])
|
||
test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
|
||
AC_MSG_ERROR([OSS sound support requested but not found.])
|
||
|
||
if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
|
||
# Emulation library used on NetBSD.
|
||
AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
|
||
test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
|
||
AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
|
||
dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
|
||
dnl Traditionally, we go on to check for alsa too. Does that make sense?
|
||
fi
|
||
AC_SUBST(LIBSOUND)
|
||
|
||
if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
|
||
ALSA_REQUIRED=1.0.0
|
||
ALSA_MODULES="alsa >= $ALSA_REQUIRED"
|
||
EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
|
||
if test $HAVE_ALSA = yes; then
|
||
LIBSOUND="$LIBSOUND $ALSA_LIBS"
|
||
CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
|
||
AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
|
||
elif test "${with_sound}" = "alsa"; then
|
||
AC_MSG_ERROR([ALSA sound support requested but not found.])
|
||
fi
|
||
fi dnl with_sound = alsa|yes
|
||
|
||
dnl Define HAVE_SOUND if we have sound support. We know it works and
|
||
dnl compiles only on the specified platforms. For others, it
|
||
dnl probably doesn't make sense to try.
|
||
dnl FIXME So surely we should bypass this whole section if not using
|
||
dnl one of these platforms?
|
||
if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
|
||
case "$opsys" in
|
||
dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
|
||
dnl Adjust the --with-sound help text if you change this.
|
||
gnu-linux|freebsd|netbsd|mingw32|cygwin)
|
||
AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
|
||
HAVE_SOUND=yes
|
||
;;
|
||
esac
|
||
fi
|
||
|
||
AC_SUBST(CFLAGS_SOUND)
|
||
fi
|
||
|
||
dnl checks for header files
|
||
AC_CHECK_HEADERS_ONCE(
|
||
linux/fs.h
|
||
malloc.h
|
||
sys/systeminfo.h
|
||
sys/sysinfo.h
|
||
coff.h pty.h
|
||
sys/resource.h
|
||
sys/utsname.h pwd.h utmp.h util.h
|
||
sanitizer/lsan_interface.h)
|
||
|
||
AC_CACHE_CHECK([for ADDR_NO_RANDOMIZE],
|
||
[emacs_cv_personality_addr_no_randomize],
|
||
[AC_COMPILE_IFELSE(
|
||
[AC_LANG_PROGRAM([[#include <sys/personality.h>]],
|
||
[[personality (personality (0xffffffff)
|
||
| ADDR_NO_RANDOMIZE)]])],
|
||
[emacs_cv_personality_addr_no_randomize=yes],
|
||
[emacs_cv_personality_addr_no_randomize=no])])
|
||
if test $emacs_cv_personality_addr_no_randomize = yes; then
|
||
AC_DEFINE([HAVE_PERSONALITY_ADDR_NO_RANDOMIZE], [1],
|
||
[Define to 1 if personality flag ADDR_NO_RANDOMIZE exists.])
|
||
fi
|
||
|
||
# Note that Solaris has sys/sysinfo.h which defines struct
|
||
# sysinfo as well. To make sure that we're using GNU/Linux
|
||
# sysinfo, we explicitly set one of its fields.
|
||
if test "$ac_cv_header_sys_sysinfo_h" = yes; then
|
||
AC_CACHE_CHECK([if Linux sysinfo may be used], [emacs_cv_linux_sysinfo],
|
||
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
|
||
[[struct sysinfo si;
|
||
si.totalram = 0;
|
||
sysinfo (&si)]])],
|
||
emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)])
|
||
|
||
if test $emacs_cv_linux_sysinfo = yes; then
|
||
AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
|
||
[[struct sysinfo si; return si.mem_unit]])],
|
||
AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
|
||
[Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
|
||
fi
|
||
fi
|
||
|
||
dnl On Solaris 8 there's a compilation warning for term.h because
|
||
dnl it doesn't define 'bool'.
|
||
AC_CHECK_HEADERS(term.h, , , -)
|
||
AC_HEADER_TIME
|
||
AC_HEADER_SYS_WAIT
|
||
|
||
AC_CHECK_HEADERS_ONCE(sys/socket.h)
|
||
AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
|
||
#if HAVE_SYS_SOCKET_H
|
||
#include <sys/socket.h>
|
||
#endif])
|
||
AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
|
||
#if HAVE_SYS_SOCKET_H
|
||
#include <sys/socket.h>
|
||
#endif])
|
||
AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
|
||
#if HAVE_SYS_SOCKET_H
|
||
#include <sys/socket.h>
|
||
#endif])
|
||
|
||
dnl checks for structure members
|
||
AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
|
||
struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
|
||
struct ifreq.ifr_addr,
|
||
struct ifreq.ifr_addr.sa_len], , ,
|
||
[AC_INCLUDES_DEFAULT
|
||
#if HAVE_SYS_SOCKET_H
|
||
#include <sys/socket.h>
|
||
#endif
|
||
#if HAVE_NET_IF_H
|
||
#include <net/if.h>
|
||
#endif])
|
||
|
||
dnl Check for endianness.
|
||
dnl AC_C_BIGENDIAN is done by gnulib.
|
||
|
||
dnl check for Make feature
|
||
|
||
AUTO_DEPEND=no
|
||
AUTODEPEND_PARENTS='lib src'
|
||
dnl check if we have GCC and autodepend is on.
|
||
if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
|
||
AC_CACHE_CHECK([whether gcc understands -MMD -MF], [emacs_cv_autodepend],
|
||
[SAVE_CFLAGS="$CFLAGS"
|
||
CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
|
||
[emacs_cv_autodepend=yes], [emacs_cv_autodepend=no])
|
||
CFLAGS="$SAVE_CFLAGS"
|
||
test -f deps.d || emacs_cv_autodepend=no
|
||
rm -rf deps.d])
|
||
if test $emacs_cv_autodepend = yes; then
|
||
AUTO_DEPEND=yes
|
||
fi
|
||
fi
|
||
AC_SUBST(AUTO_DEPEND)
|
||
|
||
#### Choose a window system.
|
||
|
||
## We leave window_system equal to none if
|
||
## we end up building without one. Any new window system should
|
||
## set window_system to an appropriate value and add objects to
|
||
## window-system-specific substs.
|
||
|
||
window_system=none
|
||
AC_PATH_X
|
||
if test "$no_x" != yes; then
|
||
window_system=x11
|
||
fi
|
||
|
||
LD_SWITCH_X_SITE_RPATH=
|
||
if test "${x_libraries}" != NONE; then
|
||
if test -n "${x_libraries}"; then
|
||
LD_SWITCH_X_SITE=-L`AS_ECHO(["$x_libraries"]) | sed -e 's/:/ -L/g'`
|
||
LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`
|
||
AS_ECHO(["$x_libraries"]) | sed -e 's/:/ -Wl,-rpath,/g'
|
||
`
|
||
fi
|
||
x_default_search_path=""
|
||
x_search_path=${x_libraries}
|
||
if test -z "${x_search_path}"; then
|
||
x_search_path=/usr/lib
|
||
fi
|
||
for x_library in `AS_ECHO(["$x_search_path:"]) | \
|
||
sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
|
||
x_search_path="\
|
||
${x_library}/X11/%L/%T/%N%C%S:\
|
||
${x_library}/X11/%l/%T/%N%C%S:\
|
||
${x_library}/X11/%T/%N%C%S:\
|
||
${x_library}/X11/%L/%T/%N%S:\
|
||
${x_library}/X11/%l/%T/%N%S:\
|
||
${x_library}/X11/%T/%N%S"
|
||
if test x"${x_default_search_path}" = x; then
|
||
x_default_search_path=${x_search_path}
|
||
else
|
||
x_default_search_path="${x_search_path}:${x_default_search_path}"
|
||
fi
|
||
done
|
||
fi
|
||
AC_SUBST(LD_SWITCH_X_SITE_RPATH)
|
||
|
||
if test "${x_includes}" != NONE && test -n "${x_includes}"; then
|
||
C_SWITCH_X_SITE=$isystem`AS_ECHO(["$x_includes"]) | sed -e "s/:/ $isystem/g"`
|
||
fi
|
||
|
||
if test x"${x_includes}" = x; then
|
||
bitmapdir=/usr/include/X11/bitmaps
|
||
else
|
||
# accumulate include directories that have X11 bitmap subdirectories
|
||
bmd_acc=
|
||
for bmd in `AS_ECHO(["$x_includes"]) | sed -e 's/:/ /g'`; do
|
||
if test -d "${bmd}/X11/bitmaps"; then
|
||
bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
|
||
fi
|
||
if test -d "${bmd}/bitmaps"; then
|
||
bmd_acc="${bmd_acc}:${bmd}/bitmaps"
|
||
fi
|
||
done
|
||
bitmapdir=${bmd_acc#:}
|
||
fi
|
||
|
||
NATIVE_IMAGE_API=no
|
||
|
||
test "${with_ns}" = maybe && test "${opsys}" != darwin && with_ns=no
|
||
HAVE_NS=no
|
||
NS_GNUSTEP_CONFIG=no
|
||
NS_IMPL_COCOA=no
|
||
NS_IMPL_GNUSTEP=no
|
||
tmp_CPPFLAGS="$CPPFLAGS"
|
||
tmp_CFLAGS="$CFLAGS"
|
||
CPPFLAGS="$CPPFLAGS -x objective-c"
|
||
CFLAGS="$CFLAGS -x objective-c"
|
||
GNU_OBJC_CFLAGS=""
|
||
LIBS_GNUSTEP=
|
||
if test "${with_ns}" != no; then
|
||
# macfont.o requires macuvs.h which is absent after 'make extraclean',
|
||
# so avoid NS_IMPL_COCOA if macuvs.h is absent.
|
||
# Even a headless Emacs can build macuvs.h, so this should let you bootstrap.
|
||
if test "${opsys}" = darwin && test -f "$srcdir/src/macuvs.h"; then
|
||
NS_IMPL_COCOA=yes
|
||
ns_appdir=`pwd`/nextstep/Emacs.app
|
||
ns_appbindir=${ns_appdir}/Contents/MacOS
|
||
ns_appresdir=${ns_appdir}/Contents/Resources
|
||
ns_appsrc=Cocoa/Emacs.base
|
||
ns_fontfile=macfont.o
|
||
elif flags=$( (gnustep-config --objc-flags) 2>/dev/null); then
|
||
NS_IMPL_GNUSTEP=yes
|
||
NS_GNUSTEP_CONFIG=yes
|
||
GNU_OBJC_CFLAGS="$flags"
|
||
LIBS_GNUSTEP=$(gnustep-config --gui-libs) || exit
|
||
elif test -f $GNUSTEP_CONFIG_FILE; then
|
||
NS_IMPL_GNUSTEP=yes
|
||
dnl FIXME sourcing this several times in subshells seems inefficient.
|
||
GNUSTEP_SYSTEM_HEADERS=$(
|
||
. $GNUSTEP_CONFIG_FILE
|
||
AS_ECHO(["$GNUSTEP_SYSTEM_HEADERS"])
|
||
)
|
||
GNUSTEP_SYSTEM_LIBRARIES=$(
|
||
. $GNUSTEP_CONFIG_FILE
|
||
AS_ECHO(["$GNUSTEP_SYSTEM_LIBRARIES"])
|
||
)
|
||
dnl I seemed to need these as well with GNUstep-startup 0.25.
|
||
GNUSTEP_LOCAL_HEADERS=$(
|
||
. $GNUSTEP_CONFIG_FILE
|
||
AS_ECHO(["$GNUSTEP_LOCAL_HEADERS"])
|
||
)
|
||
GNUSTEP_LOCAL_LIBRARIES=$(
|
||
. $GNUSTEP_CONFIG_FILE
|
||
AS_ECHO(["$GNUSTEP_LOCAL_LIBRARIES"])
|
||
)
|
||
test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
|
||
GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
|
||
test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
|
||
GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
|
||
CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
|
||
CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
|
||
LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
|
||
LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
|
||
dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
|
||
dnl If they had chosen to either define it or not, we could have
|
||
dnl just used AC_CHECK_DECL here.
|
||
AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
|
||
emacs_cv_objc_exceptions,
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
|
||
[[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
|
||
1;
|
||
#else
|
||
fail;
|
||
#endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
|
||
if test $emacs_cv_objc_exceptions = yes; then
|
||
dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
|
||
AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
|
||
[Define if GNUstep uses ObjC exceptions.])
|
||
GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fobjc-exceptions"
|
||
fi
|
||
fi
|
||
if test $NS_IMPL_GNUSTEP = yes; then
|
||
ns_appdir=`pwd`/nextstep/Emacs.app
|
||
ns_appbindir=${ns_appdir}
|
||
ns_appresdir=${ns_appdir}/Resources
|
||
ns_appsrc=GNUstep/Emacs.base
|
||
ns_fontfile=nsfont.o
|
||
fi
|
||
|
||
dnl This is only used while we test the NS headers, it gets reset below.
|
||
CPPFLAGS="$CPPFLAGS $GNU_OBJC_CFLAGS"
|
||
CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
|
||
|
||
AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
|
||
[AC_MSG_ERROR([The include files (AppKit/AppKit.h etc) that
|
||
are required for a Nextstep build are missing or cannot be compiled.
|
||
Either fix this, or re-configure with the option '--without-ns'.])])
|
||
|
||
macfont_file=""
|
||
if test "${NS_IMPL_COCOA}" = "yes"; then
|
||
AC_MSG_CHECKING([for Mac OS X 10.6 or newer])
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
|
||
[
|
||
#ifdef MAC_OS_X_VERSION_MAX_ALLOWED
|
||
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
|
||
; /* OK */
|
||
#else
|
||
error "Mac OS X 10.6 or newer required";
|
||
#endif
|
||
#endif
|
||
])],
|
||
ns_osx_have_106=yes,
|
||
ns_osx_have_106=no)
|
||
AC_MSG_RESULT([$ns_osx_have_106])
|
||
|
||
if test $ns_osx_have_106 = no; then
|
||
AC_MSG_ERROR([Mac OS X 10.6 or newer is required]);
|
||
fi
|
||
fi
|
||
|
||
if test "${with_native_image_api}" = yes; then
|
||
AC_DEFINE(HAVE_NATIVE_IMAGE_API, 1, [Define to use native OS APIs for images.])
|
||
NATIVE_IMAGE_API="yes (ns)"
|
||
fi
|
||
fi
|
||
|
||
AC_SUBST(LIBS_GNUSTEP)
|
||
|
||
INSTALL_ARCH_INDEP_EXTRA=install-etc
|
||
ns_self_contained=no
|
||
NS_OBJ=
|
||
NS_OBJC_OBJ=
|
||
if test "${HAVE_NS}" = yes; then
|
||
if test "$with_toolkit_scroll_bars" = "no"; then
|
||
AC_MSG_WARN([Non-toolkit scroll bars are not implemented for Nextstep.])
|
||
fi
|
||
|
||
window_system=nextstep
|
||
# set up packaging dirs
|
||
if test "${EN_NS_SELF_CONTAINED}" = yes; then
|
||
ns_self_contained=yes
|
||
prefix=${ns_appresdir}
|
||
exec_prefix=${ns_appbindir}
|
||
dnl This one isn't really used, only archlibdir is.
|
||
libexecdir="\${ns_appbindir}/libexec"
|
||
archlibdir="\${ns_appbindir}/libexec"
|
||
etcdocdir="\${ns_appresdir}/etc"
|
||
etcdir="\${ns_appresdir}/etc"
|
||
dnl FIXME maybe set datarootdir instead.
|
||
dnl That would also get applications, icons, man.
|
||
infodir="\${ns_appresdir}/info"
|
||
mandir="\${ns_appresdir}/man"
|
||
lispdir="\${ns_appresdir}/lisp"
|
||
test "$locallisppathset" = no && locallisppath=""
|
||
INSTALL_ARCH_INDEP_EXTRA=
|
||
fi
|
||
|
||
NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
|
||
fi
|
||
CFLAGS="$tmp_CFLAGS"
|
||
CPPFLAGS="$tmp_CPPFLAGS"
|
||
AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
|
||
AC_SUBST(ns_self_contained)
|
||
AC_SUBST(NS_OBJ)
|
||
AC_SUBST(NS_OBJC_OBJ)
|
||
|
||
if test "${HAVE_NS}" = yes; then
|
||
AC_CACHE_CHECK(
|
||
[if the Objective C compiler supports instancetype],
|
||
[emacs_cv_objc_instancetype],
|
||
[AC_LANG_PUSH([Objective C])
|
||
AC_COMPILE_IFELSE(
|
||
[AC_LANG_SOURCE([[@interface Test
|
||
+ (instancetype)test;
|
||
@end]])],
|
||
emacs_cv_objc_instancetype=yes,
|
||
emacs_cv_objc_instancetype=no)
|
||
AC_LANG_POP([Objective C])])
|
||
|
||
if test x$emacs_cv_objc_instancetype = xyes ; then
|
||
AC_DEFINE(NATIVE_OBJC_INSTANCETYPE, 1,
|
||
[Define if ObjC compiler supports instancetype natively.])
|
||
fi
|
||
|
||
AC_CACHE_CHECK(
|
||
[if the Objective C compiler defaults to C99],
|
||
[emacs_cv_objc_c99],
|
||
[AC_LANG_PUSH([Objective C])
|
||
AC_COMPILE_IFELSE(
|
||
[AC_LANG_PROGRAM([], [[for (int i = 0;;);]])],
|
||
emacs_cv_objc_c99=yes,
|
||
emacs_cv_objc_c99=no)
|
||
AC_LANG_POP([Objective C])])
|
||
|
||
if test x$emacs_cv_objc_c99 = xno ; then
|
||
GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -std=c99"
|
||
fi
|
||
fi
|
||
|
||
HAVE_W32=no
|
||
W32_OBJ=
|
||
W32_LIBS=
|
||
EMACSRES=
|
||
CLIENTRES=
|
||
CLIENTW=
|
||
W32_RES_LINK=
|
||
EMACS_MANIFEST=
|
||
if test "${with_w32}" != no; then
|
||
case "${opsys}" in
|
||
cygwin)
|
||
AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
|
||
[AC_MSG_ERROR(['--with-w32' was specified, but windows.h
|
||
cannot be found.])])
|
||
;;
|
||
mingw32)
|
||
## Using --with-w32 with MinGW is a no-op, but we allow it.
|
||
;;
|
||
*)
|
||
AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
|
||
;;
|
||
esac
|
||
fi
|
||
|
||
if test "${opsys}" = "mingw32"; then
|
||
AC_CACHE_CHECK([whether Windows API headers are recent enough], [emacs_cv_w32api],
|
||
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
||
#include <windows.h>
|
||
#include <usp10.h>]],
|
||
[[PIMAGE_NT_HEADERS pHeader;
|
||
PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
|
||
[emacs_cv_w32api=yes], [emacs_cv_w32api=no])])
|
||
if test "${emacs_cv_w32api}" = "no"; then
|
||
AC_MSG_ERROR([the Windows API headers are too old to support this build.])
|
||
fi
|
||
HAVE_W32=${emacs_cv_w32api}
|
||
fi
|
||
|
||
FIRSTFILE_OBJ=
|
||
NTDIR=
|
||
LIBS_ECLIENT=
|
||
LIB_WSOCK32=
|
||
NTLIB=
|
||
CM_OBJ="cm.o"
|
||
XARGS_LIMIT=
|
||
if test "${HAVE_W32}" = "yes"; then
|
||
AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
|
||
if test "$with_toolkit_scroll_bars" = "no"; then
|
||
AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for w32 build.])
|
||
fi
|
||
AC_CHECK_TOOL(WINDRES, [windres],
|
||
[AC_MSG_ERROR([No resource compiler found.])])
|
||
W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
|
||
W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o w32cygwinx.o"
|
||
EMACSRES="emacs.res"
|
||
case "$canonical" in
|
||
x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
|
||
*) EMACS_MANIFEST="emacs-x86.manifest" ;;
|
||
esac
|
||
dnl Construct something of the form "24,4,0,0" with 4 components.
|
||
comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
|
||
|
||
comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
|
||
AC_SUBST(comma_version)
|
||
AC_SUBST(comma_space_version)
|
||
AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
|
||
if test "${opsys}" = "cygwin"; then
|
||
W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lusp10 -lgdi32"
|
||
W32_LIBS="$W32_LIBS -lole32 -lcomdlg32 -lcomctl32 -lwinspool"
|
||
# Tell the linker that emacs.res is an object (which we compile from
|
||
# the rc file), not a linker script.
|
||
W32_RES_LINK="-Wl,emacs.res"
|
||
else
|
||
W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
|
||
dnl FIXME: This should probably be supported for Cygwin/w32 as
|
||
dnl well, but the Cygwin build needs to link against -lgdiplus
|
||
if test "${with_native_image_api}" = yes; then
|
||
AC_DEFINE(HAVE_NATIVE_IMAGE_API, 1, [Define to use native OS APIs for images.])
|
||
NATIVE_IMAGE_API="yes (w32)"
|
||
W32_OBJ="$W32_OBJ w32image.o"
|
||
fi
|
||
W32_LIBS="$W32_LIBS -lwinmm -lusp10 -lgdi32 -lcomdlg32"
|
||
W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32"
|
||
W32_RES_LINK="\$(EMACSRES)"
|
||
CLIENTRES="emacsclient.res"
|
||
CLIENTW="emacsclientw\$(EXEEXT)"
|
||
FIRSTFILE_OBJ=firstfile.o
|
||
NTDIR=nt
|
||
CM_OBJ=
|
||
LIBS_ECLIENT="-lcomctl32"
|
||
LIB_WSOCK32="-lwsock32"
|
||
NTLIB="ntlib.$ac_objext"
|
||
XARGS_LIMIT="-s 10000"
|
||
fi
|
||
fi
|
||
|
||
if test "${HAVE_W32}" = "no" && test "${opsys}" = "cygwin"; then
|
||
W32_LIBS="-lkernel32"
|
||
W32_OBJ="w32cygwinx.o"
|
||
fi
|
||
|
||
AC_SUBST(W32_OBJ)
|
||
AC_SUBST(W32_LIBS)
|
||
AC_SUBST(EMACSRES)
|
||
AC_SUBST(EMACS_MANIFEST)
|
||
AC_SUBST(CLIENTRES)
|
||
AC_SUBST(CLIENTW)
|
||
AC_SUBST(W32_RES_LINK)
|
||
AC_SUBST(FIRSTFILE_OBJ)
|
||
AC_SUBST(NTDIR)
|
||
AC_SUBST(CM_OBJ)
|
||
AC_SUBST(LIBS_ECLIENT)
|
||
AC_SUBST(LIB_WSOCK32)
|
||
AC_SUBST(NTLIB)
|
||
AC_SUBST(XARGS_LIMIT)
|
||
|
||
if test "${HAVE_W32}" = "yes"; then
|
||
window_system=w32
|
||
with_xft=no
|
||
fi
|
||
|
||
## $window_system is now set to the window system we will
|
||
## ultimately use.
|
||
|
||
term_header=
|
||
HAVE_X_WINDOWS=no
|
||
HAVE_X11=no
|
||
USE_X_TOOLKIT=none
|
||
|
||
case "${window_system}" in
|
||
x11 )
|
||
HAVE_X_WINDOWS=yes
|
||
HAVE_X11=yes
|
||
term_header=xterm.h
|
||
case "${with_x_toolkit}" in
|
||
athena | lucid ) USE_X_TOOLKIT=LUCID ;;
|
||
motif ) USE_X_TOOLKIT=MOTIF ;;
|
||
gtk ) with_gtk=yes
|
||
term_header=gtkutil.h
|
||
dnl Don't set this for GTK. A lot of tests below assumes Xt when
|
||
dnl USE_X_TOOLKIT is set.
|
||
USE_X_TOOLKIT=none ;;
|
||
gtk2 ) with_gtk2=yes
|
||
term_header=gtkutil.h
|
||
USE_X_TOOLKIT=none ;;
|
||
gtk3 ) with_gtk3=yes
|
||
term_header=gtkutil.h
|
||
USE_X_TOOLKIT=none ;;
|
||
no ) USE_X_TOOLKIT=none ;;
|
||
dnl If user did not say whether to use a toolkit, make this decision later:
|
||
dnl use the toolkit if we have gtk, or X11R5 or newer.
|
||
* ) USE_X_TOOLKIT=maybe ;;
|
||
esac
|
||
;;
|
||
nextstep )
|
||
term_header=nsterm.h
|
||
;;
|
||
w32 )
|
||
term_header=w32term.h
|
||
;;
|
||
esac
|
||
|
||
if test "$window_system" = none && test "X$with_x" != "Xno"; then
|
||
AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
|
||
if test "$HAVE_XSERVER" = true ||
|
||
test -n "$DISPLAY" ||
|
||
{
|
||
for emacs_libX11 in /usr/lib/libX11.*; do break; done
|
||
test "$emacs_libX11" != '/usr/lib/libX11.*'
|
||
}
|
||
then
|
||
AC_MSG_ERROR([You seem to be running X, but no X development libraries
|
||
were found. You should install the relevant development files for X
|
||
and for the toolkit you want, such as Gtk+ or Motif. Also make
|
||
sure you have development files for image handling, i.e.
|
||
tiff, gif, jpeg, png and xpm.
|
||
If you are sure you want Emacs compiled without X window support, pass
|
||
--without-x
|
||
to configure.])
|
||
fi
|
||
fi
|
||
|
||
# Does the opsystem file prohibit the use of the GNU malloc?
|
||
# Assume not, until told otherwise.
|
||
GNU_MALLOC=yes
|
||
|
||
AC_CACHE_CHECK(
|
||
[whether malloc is Doug Lea style],
|
||
[emacs_cv_var_doug_lea_malloc],
|
||
[emacs_cv_var_doug_lea_malloc=no
|
||
dnl Hooks do not work with address sanitization.
|
||
if test "$emacs_cv_sanitize_address" != yes; then
|
||
AC_LINK_IFELSE(
|
||
[AC_LANG_PROGRAM(
|
||
[[#include <malloc.h>
|
||
static void hook (void) {}]],
|
||
[[malloc_set_state (malloc_get_state ());
|
||
__after_morecore_hook = hook;
|
||
__malloc_initialize_hook = hook;]])],
|
||
[emacs_cv_var_doug_lea_malloc=yes])
|
||
fi])
|
||
doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
|
||
|
||
hybrid_malloc=
|
||
system_malloc=yes
|
||
|
||
test $with_unexec = yes &&
|
||
case "$opsys" in
|
||
## darwin ld insists on the use of malloc routines in the System framework.
|
||
darwin | mingw32 | nacl | solaris) ;;
|
||
cygwin | qnxnto | freebsd)
|
||
hybrid_malloc=yes
|
||
system_malloc= ;;
|
||
*) test "$ac_cv_func_sbrk" = yes && system_malloc=$emacs_cv_sanitize_address;;
|
||
esac
|
||
|
||
if test "${system_malloc}" != yes && test "${doug_lea_malloc}" != yes \
|
||
&& test "${UNEXEC_OBJ}" = unexelf.o; then
|
||
hybrid_malloc=yes
|
||
fi
|
||
|
||
GMALLOC_OBJ=
|
||
HYBRID_MALLOC=
|
||
if test "${system_malloc}" = "yes"; then
|
||
AC_DEFINE([SYSTEM_MALLOC], 1,
|
||
[Define to 1 to use the system memory allocator, even if it is not
|
||
Doug Lea style.])
|
||
GNU_MALLOC=no
|
||
GNU_MALLOC_reason="
|
||
(The GNU allocators don't work with this system configuration.)"
|
||
VMLIMIT_OBJ=
|
||
elif test "$hybrid_malloc" = yes; then
|
||
AC_DEFINE(HYBRID_MALLOC, 1,
|
||
[Define to use gmalloc before dumping and the system malloc after.])
|
||
HYBRID_MALLOC=1
|
||
GNU_MALLOC=no
|
||
GNU_MALLOC_reason=" (only before dumping)"
|
||
GMALLOC_OBJ=gmalloc.o
|
||
VMLIMIT_OBJ=
|
||
else
|
||
test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
|
||
VMLIMIT_OBJ=vm-limit.o
|
||
|
||
AC_CHECK_HEADERS([sys/vlimit.h])
|
||
AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
|
||
[AC_LINK_IFELSE(
|
||
[AC_LANG_PROGRAM(
|
||
[[extern char data_start[]; char ch;]],
|
||
[[return data_start < &ch;]])],
|
||
[emacs_cv_data_start=yes],
|
||
[emacs_cv_data_start=no])])
|
||
if test $emacs_cv_data_start = yes; then
|
||
AC_DEFINE([HAVE_DATA_START], 1,
|
||
[Define to 1 if data_start is the address of the start
|
||
of the main data segment.])
|
||
fi
|
||
fi
|
||
AC_SUBST([HYBRID_MALLOC])
|
||
AC_SUBST(GMALLOC_OBJ)
|
||
AC_SUBST(VMLIMIT_OBJ)
|
||
|
||
if test "$doug_lea_malloc" = "yes" && test "$hybrid_malloc" != yes; then
|
||
if test "$GNU_MALLOC" = yes ; then
|
||
GNU_MALLOC_reason="
|
||
(Using Doug Lea's new malloc from the GNU C Library.)"
|
||
fi
|
||
AC_DEFINE(DOUG_LEA_MALLOC, 1,
|
||
[Define to 1 if the system memory allocator is Doug Lea style,
|
||
with malloc hooks and malloc_set_state.])
|
||
|
||
## Use mmap directly for allocating larger buffers.
|
||
## FIXME this comes from src/s/{gnu,gnu-linux}.h:
|
||
## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
|
||
## Does the AC_FUNC_MMAP test below make this check unnecessary?
|
||
case "$opsys" in
|
||
mingw32|gnu*) REL_ALLOC=no ;;
|
||
esac
|
||
fi
|
||
|
||
if test x"${REL_ALLOC}" = x; then
|
||
REL_ALLOC=${GNU_MALLOC}
|
||
fi
|
||
|
||
use_mmap_for_buffers=no
|
||
case "$opsys" in
|
||
mingw32) use_mmap_for_buffers=yes ;;
|
||
esac
|
||
|
||
AC_FUNC_MMAP
|
||
if test $use_mmap_for_buffers = yes; then
|
||
AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
|
||
REL_ALLOC=no
|
||
fi
|
||
|
||
LIBS="$LIBS_SYSTEM $LIBS"
|
||
|
||
dnl FIXME replace main with a function we actually want from this library.
|
||
AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
|
||
|
||
dnl Check for the POSIX thread library.
|
||
LIB_PTHREAD=
|
||
AC_CHECK_HEADERS_ONCE(pthread.h)
|
||
if test "$ac_cv_header_pthread_h" && test "$opsys" != "mingw32"; then
|
||
AC_CACHE_CHECK([for pthread library],
|
||
[emacs_cv_pthread_lib],
|
||
[emacs_cv_pthread_lib=no
|
||
OLD_LIBS=$LIBS
|
||
for emacs_pthread_lib in 'none needed' -lpthread; do
|
||
case $emacs_pthread_lib in
|
||
-*) LIBS="$OLD_LIBS $emacs_pthread_lib";;
|
||
esac
|
||
AC_LINK_IFELSE(
|
||
[AC_LANG_PROGRAM(
|
||
[[#include <pthread.h>
|
||
#include <signal.h>
|
||
sigset_t old_mask, new_mask;
|
||
void noop (void) {}]],
|
||
[[pthread_t th = pthread_self ();
|
||
int status = 0;
|
||
status += pthread_create (&th, 0, 0, 0);
|
||
status += pthread_sigmask (SIG_BLOCK, &new_mask, &old_mask);
|
||
status += pthread_kill (th, 0);
|
||
#if ! (defined SYSTEM_MALLOC || defined HYBRID_MALLOC \
|
||
|| defined DOUG_LEA_MALLOC)
|
||
/* Test for pthread_atfork only if gmalloc uses it,
|
||
as older-style hosts like MirBSD 10 lack it. */
|
||
status += pthread_atfork (noop, noop, noop);
|
||
#endif
|
||
return status;]])],
|
||
[emacs_cv_pthread_lib=$emacs_pthread_lib])
|
||
LIBS=$OLD_LIBS
|
||
if test "$emacs_cv_pthread_lib" != no; then
|
||
break
|
||
fi
|
||
done])
|
||
if test "$emacs_cv_pthread_lib" != no; then
|
||
AC_DEFINE([HAVE_PTHREAD], 1, [Define to 1 if you have POSIX threads.])
|
||
case $emacs_cv_pthread_lib in
|
||
-*) LIB_PTHREAD=$emacs_cv_pthread_lib;;
|
||
esac
|
||
ac_cv_func_pthread_sigmask=yes
|
||
# Some systems optimize for single-threaded programs by default, and
|
||
# need special flags to disable these optimizations. For example, the
|
||
# definition of 'errno' in <errno.h>.
|
||
case $opsys in
|
||
hpux* | solaris)
|
||
AC_DEFINE([_REENTRANT], 1,
|
||
[Define to 1 if your system requires this in multithreaded code.]);;
|
||
aix4-2)
|
||
AC_DEFINE([_THREAD_SAFE], 1,
|
||
[Define to 1 if your system requires this in multithreaded code.]);;
|
||
esac
|
||
fi
|
||
fi
|
||
AC_SUBST([LIB_PTHREAD])
|
||
|
||
AC_MSG_CHECKING([for thread support])
|
||
threads_enabled=no
|
||
if test "$with_threads" = yes; then
|
||
if test "$emacs_cv_pthread_lib" != no; then
|
||
AC_DEFINE(THREADS_ENABLED, 1,
|
||
[Define to 1 if you want elisp thread support.])
|
||
threads_enabled=yes
|
||
elif test "${opsys}" = "mingw32"; then
|
||
dnl MinGW can do native Windows threads even without pthreads
|
||
AC_DEFINE(THREADS_ENABLED, 1,
|
||
[Define to 1 if you want elisp thread support.])
|
||
threads_enabled=yes
|
||
fi
|
||
fi
|
||
AC_MSG_RESULT([$threads_enabled])
|
||
|
||
dnl Check for need for bigtoc support on IBM AIX
|
||
|
||
case ${host_os} in
|
||
aix*)
|
||
AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
|
||
case $GCC in
|
||
yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
|
||
*) gdb_cv_bigtoc=-bbigtoc ;;
|
||
esac
|
||
|
||
LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
|
||
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
|
||
])
|
||
;;
|
||
esac
|
||
|
||
# Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
|
||
# is for the tests that follow. We set them back later on.
|
||
|
||
REAL_CFLAGS="$CFLAGS"
|
||
REAL_CPPFLAGS="$CPPFLAGS"
|
||
REAL_LIBS="$LIBS"
|
||
|
||
if test "${HAVE_X11}" = "yes"; then
|
||
DEFS="$C_SWITCH_X_SITE $DEFS"
|
||
LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
|
||
LIBS="-lX11 $LIBS"
|
||
CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
|
||
CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
|
||
|
||
# On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
|
||
# This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
|
||
# but it's more convenient here to set LD_RUN_PATH since this
|
||
# also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
|
||
if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
|
||
LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
|
||
export LD_RUN_PATH
|
||
fi
|
||
|
||
if test "${opsys}" = "gnu-linux"; then
|
||
AC_CACHE_CHECK([whether X on GNU/Linux needs -b to link], [emacs_cv_b_link],
|
||
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
|
||
[[XOpenDisplay ("foo");]])],
|
||
[xgnu_linux_first_failure=no],
|
||
[xgnu_linux_first_failure=yes])
|
||
if test "${xgnu_linux_first_failure}" = "yes"; then
|
||
OLD_CPPFLAGS="$CPPFLAGS"
|
||
OLD_LIBS="$LIBS"
|
||
CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
|
||
LIBS="$LIBS -b i486-linuxaout"
|
||
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
|
||
[[XOpenDisplay ("foo");]])],
|
||
[xgnu_linux_second_failure=no],
|
||
[xgnu_linux_second_failure=yes])
|
||
if test "${xgnu_linux_second_failure}" = "yes"; then
|
||
# If we get the same failure with -b, there is no use adding -b.
|
||
# So leave it out. This plays safe.
|
||
emacs_cv_b_link=no
|
||
else
|
||
emacs_cv_b_link=yes
|
||
fi
|
||
CPPFLAGS=$OLD_CPPFLAGS
|
||
LIBS=$OLD_LIBS
|
||
else
|
||
emacs_cv_b_link=no
|
||
fi])
|
||
if test "x$emacs_cv_b_link" = xyes ; then
|
||
LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
|
||
C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
|
||
fi
|
||
fi
|
||
|
||
# Reportedly, some broken Solaris systems have XKBlib.h but are missing
|
||
# header files included from there.
|
||
AC_CACHE_CHECK([for Xkb], [emacs_cv_xkb],
|
||
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
|
||
#include <X11/XKBlib.h>]],
|
||
[[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
|
||
emacs_cv_xkb=yes, emacs_cv_xkb=no)])
|
||
if test $emacs_cv_xkb = yes; then
|
||
AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
|
||
fi
|
||
|
||
AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
|
||
XScreenNumberOfScreen)
|
||
fi
|
||
|
||
if test "${window_system}" = "x11"; then
|
||
AC_MSG_CHECKING(X11 version 6)
|
||
AC_CACHE_VAL(emacs_cv_x11_version_6,
|
||
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
|
||
[[#if XlibSpecificationRelease < 6
|
||
fail;
|
||
#endif
|
||
]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
|
||
if test $emacs_cv_x11_version_6 = yes; then
|
||
AC_MSG_RESULT(6 or newer)
|
||
AC_DEFINE(HAVE_X11R6, 1,
|
||
[Define to 1 if you have the X11R6 or newer version of Xlib.])
|
||
AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
|
||
## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
|
||
## XIM support.
|
||
case "$opsys" in
|
||
solaris) : ;;
|
||
*) AC_DEFINE(HAVE_X11R6_XIM, 1,
|
||
[Define if you have usable X11R6-style XIM support.])
|
||
;;
|
||
esac
|
||
else
|
||
AC_MSG_RESULT(before 6)
|
||
fi
|
||
fi
|
||
|
||
|
||
### Use -lrsvg-2 if available, unless '--with-rsvg=no' is specified.
|
||
HAVE_RSVG=no
|
||
if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
|
||
if test "${with_rsvg}" != "no"; then
|
||
RSVG_REQUIRED=2.14.0
|
||
RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
|
||
|
||
EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
|
||
AC_SUBST(RSVG_CFLAGS)
|
||
AC_SUBST(RSVG_LIBS)
|
||
|
||
if test $HAVE_RSVG = yes; then
|
||
AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
|
||
CFLAGS="$CFLAGS $RSVG_CFLAGS"
|
||
# Windows loads librsvg dynamically
|
||
if test "${opsys}" = "mingw32"; then
|
||
RSVG_LIBS=
|
||
fi
|
||
fi
|
||
fi
|
||
fi
|
||
|
||
HAVE_IMAGEMAGICK=no
|
||
if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
|
||
if test "${with_imagemagick}" != "no"; then
|
||
if test -n "$BREW"; then
|
||
# Homebrew doesn't link ImageMagick 6 by default, so make sure
|
||
# pkgconfig can find it.
|
||
export PKG_CONFIG_PATH="$PKG_CONFIG_PATH$PATH_SEPARATOR`$BREW --prefix imagemagick@6 2>/dev/null`/lib/pkgconfig"
|
||
fi
|
||
|
||
EMACS_CHECK_MODULES([IMAGEMAGICK], [MagickWand >= 7])
|
||
if test $HAVE_IMAGEMAGICK = yes; then
|
||
AC_DEFINE([HAVE_IMAGEMAGICK7], 1, [Define to 1 if using ImageMagick7.])
|
||
else
|
||
## 6.3.5 is the earliest version known to work; see Bug#17339.
|
||
## 6.8.2 makes Emacs crash; see Bug#13867.
|
||
EMACS_CHECK_MODULES([IMAGEMAGICK], [Wand >= 6.3.5 Wand != 6.8.2])
|
||
fi
|
||
|
||
if test $HAVE_IMAGEMAGICK = yes; then
|
||
OLD_CFLAGS=$CFLAGS
|
||
OLD_LIBS=$LIBS
|
||
CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
|
||
LIBS="$IMAGEMAGICK_LIBS $LIBS"
|
||
AC_CHECK_FUNCS([MagickRelinquishMemory MagickExportImagePixels \
|
||
MagickMergeImageLayers MagickAutoOrientImage])
|
||
CFLAGS=$OLD_CFLAGS
|
||
LIBS=$OLD_LIBS
|
||
# Check that ImageMagick links. It does not link on Fedora 25
|
||
# with './configure CC=clang', as pkg-config outputs flags like
|
||
# -lomp that work for GCC but not Clang.
|
||
if test "$ac_cv_func_MagickRelinquishMemory" != yes; then
|
||
HAVE_IMAGEMAGICK=no
|
||
fi
|
||
fi
|
||
if test $HAVE_IMAGEMAGICK = yes; then
|
||
AC_DEFINE([HAVE_IMAGEMAGICK], 1, [Define to 1 if using ImageMagick.])
|
||
else
|
||
if test "${with_imagemagick}" != "no"; then
|
||
AC_MSG_ERROR([ImageMagick wanted, but it does not compile. Maybe some library files are missing?]);
|
||
fi
|
||
IMAGEMAGICK_CFLAGS=
|
||
IMAGEMAGICK_LIBS=
|
||
fi
|
||
AC_SUBST([IMAGEMAGICK_CFLAGS])
|
||
AC_SUBST([IMAGEMAGICK_LIBS])
|
||
fi
|
||
fi
|
||
|
||
AC_CHECK_LIB(anl, getaddrinfo_a, HAVE_GETADDRINFO_A=yes)
|
||
if test "${HAVE_GETADDRINFO_A}" = "yes"; then
|
||
AC_DEFINE(HAVE_GETADDRINFO_A, 1,
|
||
[Define to 1 if you have getaddrinfo_a for asynchronous DNS resolution.])
|
||
GETADDRINFO_A_LIBS="-lanl"
|
||
AC_SUBST(GETADDRINFO_A_LIBS)
|
||
fi
|
||
|
||
HAVE_GTK=no
|
||
GTK_OBJ=
|
||
gtk_term_header=$term_header
|
||
check_gtk2=no
|
||
gtk3_pkg_errors=
|
||
if test "${opsys}" != "mingw32"; then
|
||
if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
|
||
GLIB_REQUIRED=2.37.5
|
||
GTK_REQUIRED=3.10
|
||
GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
|
||
|
||
dnl Checks for libraries.
|
||
EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
|
||
[pkg_check_gtk=yes], [pkg_check_gtk=no])
|
||
if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
|
||
AC_MSG_ERROR($GTK_PKG_ERRORS)
|
||
fi
|
||
if test "$pkg_check_gtk" = "yes"; then
|
||
AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
|
||
GTK_OBJ=emacsgtkfixed.o
|
||
gtk_term_header=gtkutil.h
|
||
USE_GTK_TOOLKIT="GTK3"
|
||
if test "x$ac_enable_gtk_deprecation_warnings" = x; then
|
||
AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
|
||
[Define to 1 to disable GTK+/GDK deprecation warnings.])
|
||
AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
|
||
[Define to 1 to disable Glib deprecation warnings.])
|
||
fi
|
||
else
|
||
check_gtk2=yes
|
||
gtk3_pkg_errors="$GTK_PKG_ERRORS "
|
||
fi
|
||
fi
|
||
|
||
if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
|
||
GLIB_REQUIRED=2.28
|
||
GTK_REQUIRED=2.24
|
||
GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
|
||
|
||
dnl Checks for libraries.
|
||
EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
|
||
[pkg_check_gtk=yes], [pkg_check_gtk=no])
|
||
if test "$pkg_check_gtk" = "no" &&
|
||
{ test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
|
||
then
|
||
AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
|
||
fi
|
||
test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
|
||
fi
|
||
fi
|
||
|
||
OLD_CFLAGS=$CFLAGS
|
||
OLD_LIBS=$LIBS
|
||
|
||
if test x"$pkg_check_gtk" = xyes; then
|
||
|
||
AC_SUBST(GTK_LIBS)
|
||
CFLAGS="$CFLAGS $GTK_CFLAGS"
|
||
LIBS="$GTK_LIBS $LIBS"
|
||
dnl Try to compile a simple GTK program.
|
||
AC_CACHE_CHECK([whether GTK compiles], [emacs_cv_gtk_compiles],
|
||
[AC_LINK_IFELSE(
|
||
[AC_LANG_PROGRAM(
|
||
[[/* Check the Gtk and Glib APIs. */
|
||
#include <gtk/gtk.h>
|
||
#include <glib-object.h>
|
||
static void
|
||
callback (GObject *go, GParamSpec *spec, gpointer user_data)
|
||
{}
|
||
]],
|
||
[[
|
||
GtkSettings *gs = 0;
|
||
/* Use G_CALLBACK to make sure function pointers can be cast to void *;
|
||
strict C prohibits this. Use gtk_main_iteration to test that the
|
||
libraries are there. */
|
||
if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
|
||
0, 0, 0, G_CALLBACK (callback), 0))
|
||
gtk_main_iteration ();
|
||
]])],
|
||
[emacs_cv_gtk_compiles=yes], [emacs_cv_gtk_compiles=no])])
|
||
if test "${emacs_cv_gtk_compiles}" != "yes"; then
|
||
GTK_OBJ=
|
||
if test "$USE_X_TOOLKIT" != "maybe"; then
|
||
AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
|
||
fi
|
||
else
|
||
C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
|
||
HAVE_GTK=yes
|
||
AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
|
||
GTK_OBJ="gtkutil.o $GTK_OBJ"
|
||
term_header=$gtk_term_header
|
||
USE_X_TOOLKIT=none
|
||
AC_MSG_WARN([[Your version of Gtk+ will have problems with
|
||
closing open displays. This is no problem if you just use
|
||
one display, but if you use more than one and close one of them
|
||
Emacs may crash.
|
||
See https://gitlab.gnome.org/GNOME/gtk/issues/221]])
|
||
fi
|
||
|
||
fi
|
||
AC_SUBST(GTK_OBJ)
|
||
|
||
|
||
if test "${HAVE_GTK}" = "yes"; then
|
||
|
||
dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
|
||
dnl a lot if #ifdef:s, say we have toolkit scrollbars.
|
||
if test "$with_toolkit_scroll_bars" != no; then
|
||
with_toolkit_scroll_bars=yes
|
||
fi
|
||
|
||
term_header=gtkutil.h
|
||
|
||
if test "${USE_GTK_TOOLKIT}" = GTK2; then
|
||
|
||
dnl Check if we have the old file selection dialog declared and
|
||
dnl in the link library. In 2.x it may be in the library,
|
||
dnl but not declared if deprecated featured has been selected out.
|
||
dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
|
||
HAVE_GTK_FILE_SELECTION=no
|
||
AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
|
||
HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
|
||
#include <gtk/gtk.h>])
|
||
if test "$HAVE_GTK_FILE_SELECTION" = yes; then
|
||
AC_CHECK_FUNCS(gtk_file_selection_new)
|
||
fi
|
||
|
||
dnl This procedure causes a bug on certain Ubuntu GTK+2 builds
|
||
AC_CHECK_FUNCS(gtk_window_set_has_resize_grip)
|
||
fi
|
||
fi
|
||
|
||
|
||
dnl Enable xwidgets if GTK3 and WebKitGTK+ are available.
|
||
dnl Enable xwidgets if macOS Cocoa and WebKit framework are available.
|
||
HAVE_XWIDGETS=no
|
||
XWIDGETS_OBJ=
|
||
if test "$with_xwidgets" != "no"; then
|
||
if test "$USE_GTK_TOOLKIT" = "GTK3" && test "$window_system" != "none"; then
|
||
WEBKIT_REQUIRED=2.12
|
||
WEBKIT_MODULES="webkit2gtk-4.0 >= $WEBKIT_REQUIRED"
|
||
EMACS_CHECK_MODULES([WEBKIT], [$WEBKIT_MODULES])
|
||
HAVE_XWIDGETS=$HAVE_WEBKIT
|
||
XWIDGETS_OBJ="xwidget.o"
|
||
elif test "${NS_IMPL_COCOA}" = "yes"; then
|
||
dnl FIXME: Check framework WebKit2
|
||
dnl WEBKIT_REQUIRED=M.m.p
|
||
WEBKIT_LIBS="-Wl,-framework -Wl,WebKit"
|
||
WEBKIT_CFLAGS="-I/System/Library/Frameworks/WebKit.framework/Headers"
|
||
HAVE_WEBKIT="yes"
|
||
HAVE_XWIDGETS=$HAVE_WEBKIT
|
||
XWIDGETS_OBJ="xwidget.o"
|
||
NS_OBJC_OBJ="$NS_OBJC_OBJ nsxwidget.o"
|
||
dnl Update NS_OBJC_OBJ with added nsxwidget.o
|
||
AC_SUBST(NS_OBJC_OBJ)
|
||
else
|
||
AC_MSG_ERROR([xwidgets requested, it requires GTK3 as X window toolkit or macOS Cocoa as window system.])
|
||
fi
|
||
|
||
test $HAVE_XWIDGETS = yes ||
|
||
AC_MSG_ERROR([xwidgets requested but WebKitGTK+ or WebKit framework not found.])
|
||
|
||
AC_DEFINE([HAVE_XWIDGETS], 1, [Define to 1 if you have xwidgets support.])
|
||
fi
|
||
AC_SUBST(XWIDGETS_OBJ)
|
||
|
||
CFLAGS=$OLD_CFLAGS
|
||
LIBS=$OLD_LIBS
|
||
|
||
dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
|
||
dnl other platforms.
|
||
HAVE_DBUS=no
|
||
DBUS_OBJ=
|
||
if test "${with_dbus}" = "yes"; then
|
||
EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
|
||
if test "$HAVE_DBUS" = yes; then
|
||
AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
|
||
dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
|
||
dnl dbus_type_is_valid and dbus_validate_* have been introduced in
|
||
dnl D-Bus 1.5.12.
|
||
OLD_LIBS=$LIBS
|
||
LIBS="$LIBS $DBUS_LIBS"
|
||
AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
|
||
dbus_type_is_valid \
|
||
dbus_validate_bus_name \
|
||
dbus_validate_path \
|
||
dbus_validate_interface \
|
||
dbus_validate_member)
|
||
LIBS=$OLD_LIBS
|
||
DBUS_OBJ=dbusbind.o
|
||
fi
|
||
fi
|
||
AC_SUBST(DBUS_CFLAGS)
|
||
AC_SUBST(DBUS_LIBS)
|
||
AC_SUBST(DBUS_OBJ)
|
||
|
||
dnl GSettings has been tested under GNU/Linux only.
|
||
HAVE_GSETTINGS=no
|
||
if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
|
||
EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
|
||
if test "$HAVE_GSETTINGS" = "yes"; then
|
||
old_CFLAGS=$CFLAGS
|
||
CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
|
||
old_LIBS=$LIBS
|
||
LIBS="$LIBS $GSETTINGS_LIBS"
|
||
AC_CACHE_CHECK([whether GSettings is in gio], [emacs_cv_gsettings_in_gio],
|
||
[AC_LINK_IFELSE(
|
||
[AC_LANG_PROGRAM(
|
||
[[/* Check that gsettings really is present. */
|
||
#include <glib-object.h>
|
||
#include <gio/gio.h>
|
||
]],
|
||
[[
|
||
GSettings *settings;
|
||
GVariant *val = g_settings_get_value (settings, "");
|
||
]])],
|
||
[emacs_cv_gsettings_in_gio=yes], [emacs_cv_gsettings_in_gio=no])])
|
||
|
||
if test "$emacs_cv_gsettings_in_gio" = "yes"; then
|
||
AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
|
||
SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
|
||
SETTINGS_LIBS="$GSETTINGS_LIBS"
|
||
test "$with_gconf" = "yes" || with_gconf=no
|
||
fi
|
||
CFLAGS=$old_CFLAGS
|
||
LIBS=$old_LIBS
|
||
fi
|
||
fi
|
||
|
||
dnl GConf has been tested under GNU/Linux only.
|
||
dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
|
||
HAVE_GCONF=no
|
||
if test "${HAVE_X11}" = "yes" && test "${with_gconf}" != "no"; then
|
||
EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
|
||
if test "$HAVE_GCONF" = yes; then
|
||
AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
|
||
dnl Newer GConf doesn't link with g_objects, so this is not defined.
|
||
SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
|
||
SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
|
||
fi
|
||
fi
|
||
|
||
if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
|
||
EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
|
||
if test "$HAVE_GOBJECT" = "yes"; then
|
||
SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
|
||
SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
|
||
fi
|
||
SAVE_CFLAGS="$CFLAGS"
|
||
SAVE_LIBS="$LIBS"
|
||
CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
|
||
LIBS="$SETTINGS_LIBS $LIBS"
|
||
CFLAGS="$SAVE_CFLAGS"
|
||
LIBS="$SAVE_LIBS"
|
||
fi
|
||
AC_SUBST(SETTINGS_CFLAGS)
|
||
AC_SUBST(SETTINGS_LIBS)
|
||
|
||
|
||
dnl SELinux is available for GNU/Linux only.
|
||
HAVE_LIBSELINUX=no
|
||
LIBSELINUX_LIBS=
|
||
if test "${with_selinux}" = "yes"; then
|
||
AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
|
||
if test "$HAVE_LIBSELINUX" = yes; then
|
||
AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
|
||
LIBSELINUX_LIBS=-lselinux
|
||
fi
|
||
fi
|
||
AC_SUBST(LIBSELINUX_LIBS)
|
||
|
||
HAVE_GNUTLS=no
|
||
if test "${with_gnutls}" != "no" ; then
|
||
EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.12.2],
|
||
[HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
|
||
if test "${HAVE_GNUTLS}" = "yes"; then
|
||
AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
|
||
fi
|
||
|
||
# Windows loads GnuTLS dynamically
|
||
if test "${opsys}" = "mingw32"; then
|
||
LIBGNUTLS_LIBS=
|
||
fi
|
||
fi
|
||
|
||
AC_SUBST(LIBGNUTLS_LIBS)
|
||
AC_SUBST(LIBGNUTLS_CFLAGS)
|
||
|
||
HAVE_LIBSYSTEMD=no
|
||
if test "${with_libsystemd}" = "yes" ; then
|
||
dnl This code has been tested with libsystemd 222 and later.
|
||
dnl FIXME: Find the earliest version number for which Emacs should work,
|
||
dnl and change '222' to that number.
|
||
EMACS_CHECK_MODULES([LIBSYSTEMD], [libsystemd >= 222],
|
||
[HAVE_LIBSYSTEMD=yes], [HAVE_LIBSYSTEMD=no])
|
||
if test "${HAVE_LIBSYSTEMD}" = "yes"; then
|
||
AC_DEFINE(HAVE_LIBSYSTEMD, 1, [Define if using libsystemd.])
|
||
fi
|
||
fi
|
||
|
||
AC_SUBST(LIBSYSTEMD_LIBS)
|
||
AC_SUBST(LIBSYSTEMD_CFLAGS)
|
||
|
||
HAVE_JSON=no
|
||
JSON_OBJ=
|
||
|
||
if test "${with_json}" != no; then
|
||
EMACS_CHECK_MODULES([JSON], [jansson >= 2.7],
|
||
[HAVE_JSON=yes], [HAVE_JSON=no])
|
||
if test "${HAVE_JSON}" = yes; then
|
||
AC_DEFINE(HAVE_JSON, 1, [Define if using Jansson.])
|
||
JSON_OBJ=json.o
|
||
fi
|
||
|
||
# Windows loads libjansson dynamically
|
||
if test "${opsys}" = "mingw32"; then
|
||
JSON_LIBS=
|
||
fi
|
||
fi
|
||
|
||
AC_SUBST(JSON_LIBS)
|
||
AC_SUBST(JSON_CFLAGS)
|
||
AC_SUBST(JSON_OBJ)
|
||
|
||
NOTIFY_OBJ=
|
||
NOTIFY_SUMMARY=no
|
||
|
||
dnl MS Windows native file monitor is available for mingw32 only.
|
||
case $with_file_notification,$opsys in
|
||
w32,cygwin)
|
||
AC_MSG_ERROR(['--with-file-notification=w32' was specified, but
|
||
this is only supported on MS-Windows native and MinGW32 builds.
|
||
Consider using gfile instead.])
|
||
;;
|
||
w32,* | yes,mingw32)
|
||
AC_CHECK_HEADER(windows.h)
|
||
if test "$ac_cv_header_windows_h" = yes ; then
|
||
AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
|
||
NOTIFY_OBJ=w32notify.o
|
||
NOTIFY_SUMMARY="yes (w32)"
|
||
fi ;;
|
||
esac
|
||
|
||
dnl inotify is available only on GNU/Linux.
|
||
case $with_file_notification,$NOTIFY_OBJ in
|
||
inotify, | yes,)
|
||
AC_CHECK_HEADER(sys/inotify.h)
|
||
if test "$ac_cv_header_sys_inotify_h" = yes ; then
|
||
AC_CHECK_FUNC(inotify_init1)
|
||
if test "$ac_cv_func_inotify_init1" = yes; then
|
||
AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
|
||
NOTIFY_OBJ=inotify.o
|
||
NOTIFY_SUMMARY="yes -lglibc (inotify)"
|
||
fi
|
||
fi ;;
|
||
esac
|
||
|
||
dnl kqueue is available on BSD-like systems.
|
||
case $with_file_notification,$NOTIFY_OBJ in
|
||
kqueue,* | yes,)
|
||
EMACS_CHECK_MODULES([KQUEUE], [libkqueue])
|
||
if test "$HAVE_KQUEUE" = "yes"; then
|
||
AC_DEFINE(HAVE_KQUEUE, 1, [Define to 1 to use kqueue.])
|
||
CPPFLAGS="$CPPFLAGS -I/usr/include/kqueue"
|
||
NOTIFY_CFLAGS=$KQUEUE_CFLAGS
|
||
NOTIFY_LIBS=$KQUEUE_LIBS
|
||
NOTIFY_OBJ=kqueue.o
|
||
NOTIFY_SUMMARY="yes -lkqueue"
|
||
else
|
||
AC_SEARCH_LIBS(kqueue, [])
|
||
if test "$ac_cv_search_kqueue" != no; then
|
||
AC_DEFINE(HAVE_KQUEUE, 1, [Define to 1 to use kqueue.])
|
||
NOTIFY_OBJ=kqueue.o
|
||
NOTIFY_SUMMARY="yes (kqueue)"
|
||
fi
|
||
fi ;;
|
||
esac
|
||
|
||
dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
|
||
dnl has been added in glib 2.24. It has been tested under
|
||
dnl GNU/Linux only.
|
||
case $with_file_notification,$NOTIFY_OBJ in
|
||
gfile,* | yes,)
|
||
if test "${HAVE_NS}" = yes; then
|
||
AC_MSG_ERROR(['--with-file-notification=gfile' is not supported in NextStep builds.
|
||
Consider kqueue instead.])
|
||
else
|
||
EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
|
||
if test "$HAVE_GFILENOTIFY" = "yes"; then
|
||
AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
|
||
NOTIFY_CFLAGS=$GFILENOTIFY_CFLAGS
|
||
NOTIFY_LIBS=$GFILENOTIFY_LIBS
|
||
NOTIFY_OBJ=gfilenotify.o
|
||
NOTIFY_SUMMARY="yes -lgio (gfile)"
|
||
fi
|
||
fi ;;
|
||
esac
|
||
|
||
case $with_file_notification,$NOTIFY_OBJ in
|
||
yes,* | no,* | *,?*) ;;
|
||
*) AC_MSG_ERROR([File notification '$with_file_notification' requested but requirements not found.]) ;;
|
||
esac
|
||
|
||
if test -n "$NOTIFY_OBJ"; then
|
||
AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
|
||
fi
|
||
AC_SUBST(NOTIFY_CFLAGS)
|
||
AC_SUBST(NOTIFY_LIBS)
|
||
AC_SUBST(NOTIFY_OBJ)
|
||
|
||
dnl Do not put whitespace before the #include statements below.
|
||
dnl Older compilers (eg sunos4 cc) choke on it.
|
||
HAVE_XAW3D=no
|
||
LUCID_LIBW=
|
||
if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
|
||
if test "$with_xaw3d" != no; then
|
||
AC_CACHE_VAL(emacs_cv_xaw3d,
|
||
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
||
#include <X11/Intrinsic.h>
|
||
#include <X11/Xaw3d/Simple.h>]],
|
||
[[]])],
|
||
[AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
|
||
emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
|
||
emacs_cv_xaw3d=no)])
|
||
else
|
||
emacs_cv_xaw3d=no
|
||
fi
|
||
if test $emacs_cv_xaw3d = yes; then
|
||
AC_MSG_CHECKING(for xaw3d)
|
||
AC_MSG_RESULT([yes; using Lucid toolkit])
|
||
USE_X_TOOLKIT=LUCID
|
||
HAVE_XAW3D=yes
|
||
LUCID_LIBW=-lXaw3d
|
||
AC_DEFINE(HAVE_XAW3D, 1,
|
||
[Define to 1 if you have the Xaw3d library (-lXaw3d).])
|
||
else
|
||
AC_MSG_CHECKING(for xaw3d)
|
||
AC_MSG_RESULT(no)
|
||
AC_MSG_CHECKING(for libXaw)
|
||
AC_CACHE_VAL(emacs_cv_xaw,
|
||
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
||
#include <X11/Intrinsic.h>
|
||
#include <X11/Xaw/Simple.h>]],
|
||
[[]])],
|
||
emacs_cv_xaw=yes,
|
||
emacs_cv_xaw=no)])
|
||
if test $emacs_cv_xaw = yes; then
|
||
AC_MSG_RESULT([yes; using Lucid toolkit])
|
||
USE_X_TOOLKIT=LUCID
|
||
LUCID_LIBW=-lXaw
|
||
elif test x"${USE_X_TOOLKIT}" = xLUCID; then
|
||
AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
|
||
else
|
||
AC_MSG_ERROR([No X toolkit could be found.
|
||
If you are sure you want Emacs compiled without an X toolkit, pass
|
||
--with-x-toolkit=no
|
||
to configure. Otherwise, install the development libraries for the toolkit
|
||
that you want to use (e.g. Gtk+) and re-run configure.])
|
||
fi
|
||
fi
|
||
fi
|
||
|
||
X_TOOLKIT_TYPE=$USE_X_TOOLKIT
|
||
|
||
LIBXTR6=
|
||
LIBXMU=
|
||
if test "${USE_X_TOOLKIT}" != "none"; then
|
||
AC_MSG_CHECKING(X11 toolkit version)
|
||
AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
|
||
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
|
||
[[#if XtSpecificationRelease < 6
|
||
fail;
|
||
#endif
|
||
]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
|
||
HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
|
||
if test $emacs_cv_x11_toolkit_version_6 = yes; then
|
||
AC_MSG_RESULT(6 or newer)
|
||
AC_DEFINE(HAVE_X11XTR6, 1,
|
||
[Define to 1 if you have the X11R6 or newer version of Xt.])
|
||
LIBXTR6="-lSM -lICE"
|
||
case "$opsys" in
|
||
## Use libw.a along with X11R6 Xt.
|
||
unixware) LIBXTR6="$LIBXTR6 -lw" ;;
|
||
esac
|
||
else
|
||
AC_MSG_RESULT(before 6)
|
||
fi
|
||
|
||
dnl If using toolkit, check whether libXmu.a exists.
|
||
dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
|
||
OLDLIBS="$LIBS"
|
||
if test x$HAVE_X11XTR6 = xyes; then
|
||
OTHERLIBS='-lXt -lSM -lICE'
|
||
else
|
||
OTHERLIBS='-lXt'
|
||
fi
|
||
AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
|
||
if test "X$LIBS" != "X$OLDLIBS"; then
|
||
LIBXMU=$ac_cv_search_XmuConvertStandardSelection
|
||
fi
|
||
LIBS=$OLDLIBS
|
||
dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
|
||
fi
|
||
AC_SUBST(LIBXTR6)
|
||
AC_SUBST(LIBXMU)
|
||
|
||
LIBXP=
|
||
if test "${USE_X_TOOLKIT}" = "MOTIF"; then
|
||
# OpenMotif may be installed in such a way on some GNU/Linux systems.
|
||
if test -d /usr/include/openmotif; then
|
||
CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
|
||
emacs_cv_openmotif=yes
|
||
case "$canonical" in
|
||
x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
|
||
test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
|
||
;;
|
||
*)
|
||
test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
|
||
esac
|
||
else
|
||
emacs_cv_openmotif=no
|
||
fi
|
||
AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
|
||
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
|
||
[[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
|
||
int x = 5;
|
||
#else
|
||
Motif version prior to 2.1.
|
||
#endif]])],
|
||
emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
|
||
if test $emacs_cv_motif_version_2_1 = yes; then
|
||
AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
|
||
if test x$emacs_cv_openmotif = xyes; then
|
||
REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
|
||
fi
|
||
else
|
||
AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
|
||
# We put this in CFLAGS temporarily to precede other -I options
|
||
# that might be in CFLAGS temporarily.
|
||
# We put this in CPPFLAGS where it precedes the other -I options.
|
||
OLD_CPPFLAGS=$CPPFLAGS
|
||
OLD_CFLAGS=$CFLAGS
|
||
CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
|
||
CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
|
||
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
|
||
[[int x = 5;]])],
|
||
emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
|
||
if test $emacs_cv_lesstif = yes; then
|
||
# Make sure this -I option remains in CPPFLAGS after it is set
|
||
# back to REAL_CPPFLAGS.
|
||
# There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
|
||
# have those other -I options anyway. Ultimately, having this
|
||
# directory ultimately in CPPFLAGS will be enough.
|
||
REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
|
||
LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
|
||
else
|
||
CFLAGS=$OLD_CFLAGS
|
||
CPPFLAGS=$OLD_CPPFLAGS
|
||
fi
|
||
fi
|
||
AC_CHECK_HEADER([Xm/BulletinB.h], [],
|
||
[AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
|
||
fi
|
||
|
||
dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
|
||
dnl using Motif or Xaw3d is available, and unless
|
||
dnl --with-toolkit-scroll-bars=no was specified.
|
||
|
||
AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
|
||
[Define to 1 if we should use toolkit scroll bars.])dnl
|
||
USE_TOOLKIT_SCROLL_BARS=no
|
||
if test "${with_toolkit_scroll_bars}" != "no"; then
|
||
if test "${USE_X_TOOLKIT}" != "none"; then
|
||
if test "${USE_X_TOOLKIT}" = "MOTIF"; then
|
||
AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
|
||
HAVE_XAW3D=no
|
||
USE_TOOLKIT_SCROLL_BARS=yes
|
||
elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
|
||
AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
|
||
USE_TOOLKIT_SCROLL_BARS=yes
|
||
fi
|
||
elif test "${HAVE_GTK}" = "yes"; then
|
||
AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
|
||
USE_TOOLKIT_SCROLL_BARS=yes
|
||
elif test "${HAVE_NS}" = "yes"; then
|
||
AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
|
||
USE_TOOLKIT_SCROLL_BARS=yes
|
||
elif test "${HAVE_W32}" = "yes"; then
|
||
AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
|
||
USE_TOOLKIT_SCROLL_BARS=yes
|
||
fi
|
||
fi
|
||
|
||
dnl See if XIM is available.
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
||
#include <X11/Xlib.h>
|
||
#include <X11/Xresource.h>]],
|
||
[[XIMProc callback;]])],
|
||
[HAVE_XIM=yes
|
||
AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
|
||
HAVE_XIM=no)
|
||
|
||
dnl Note this is non-standard. --with-xim does not control whether
|
||
dnl XIM support is compiled in, it only affects the runtime default of
|
||
dnl use_xim in xterm.c.
|
||
if test "${with_xim}" != "no"; then
|
||
AC_DEFINE(USE_XIM, 1,
|
||
[Define to 1 to default runtime use of XIM to on.])
|
||
fi
|
||
|
||
|
||
if test "${HAVE_XIM}" != "no"; then
|
||
late_CFLAGS=$CFLAGS
|
||
if test "$GCC" = yes; then
|
||
CFLAGS="$CFLAGS --pedantic-errors"
|
||
fi
|
||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
||
#include <X11/Xlib.h>
|
||
#include <X11/Xresource.h>]],
|
||
[[Display *display;
|
||
XrmDatabase db;
|
||
char *res_name;
|
||
char *res_class;
|
||
XIMProc callback;
|
||
XPointer *client_data;
|
||
#ifndef __GNUC__
|
||
/* If we're not using GCC, it's probably not XFree86, and this is
|
||
probably right, but we can't use something like --pedantic-errors. */
|
||
extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
|
||
char*, XIMProc, XPointer*);
|
||
#endif
|
||
(void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
|
||
client_data);]])],
|
||
[emacs_cv_arg6_star=yes])
|
||
AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
|
||
[Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
|
||
either XPointer or XPointer*.])dnl
|
||
if test "$emacs_cv_arg6_star" = yes; then
|
||
AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
|
||
else
|
||
AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
|
||
fi
|
||
CFLAGS=$late_CFLAGS
|
||
fi
|
||
|
||
# Check for XRender
|
||
HAVE_XRENDER=no
|
||
if test "${HAVE_X11}" = "yes"; then
|
||
AC_COMPILE_IFELSE(
|
||
[AC_LANG_PROGRAM(
|
||
[[#include <X11/Intrinsic.h>
|
||
#include <X11/extensions/Xrender.h>
|
||
]],
|
||
[[return !XRenderQueryExtension;]])],
|
||
[AC_CHECK_LIB([Xrender], [XRenderQueryExtension], [HAVE_XRENDER=yes])])
|
||
if test $HAVE_XRENDER = yes; then
|
||
XRENDER_LIBS="-lXrender"
|
||
AC_SUBST(XRENDER_LIBS)
|
||
AC_DEFINE([HAVE_XRENDER], 1, [Define to 1 if XRender is available.])
|
||
fi
|
||
fi
|
||
|
||
HAVE_CAIRO=no
|
||
if test "${HAVE_X11}" = "yes"; then
|
||
if test "${with_cairo}" != "no"; then
|
||
CAIRO_REQUIRED=1.8.0
|
||
CAIRO_MODULE="cairo >= $CAIRO_REQUIRED"
|
||
EMACS_CHECK_MODULES(CAIRO, $CAIRO_MODULE)
|
||
if test $HAVE_CAIRO = yes; then
|
||
AC_DEFINE(USE_CAIRO, 1, [Define to 1 if using cairo.])
|
||
CFLAGS="$CFLAGS $CAIRO_CFLAGS"
|
||
LIBS="$LIBS $CAIRO_LIBS"
|
||
AC_SUBST(CAIRO_CFLAGS)
|
||
AC_SUBST(CAIRO_LIBS)
|
||
else
|
||
AC_MSG_WARN([cairo requested but not found.])
|
||
fi
|
||
fi
|
||
fi
|
||
|
||
### Start of font-backend (under any platform) section.
|
||
# (nothing here yet -- this is a placeholder)
|
||
### End of font-backend (under any platform) section.
|
||
|
||
### Start of font-backend (under X11) section.
|
||
if test "${HAVE_X11}" = "yes"; then
|
||
if test $HAVE_CAIRO = yes; then
|
||
dnl Strict linkers fail with
|
||
dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
|
||
dnl if -lfreetype is not specified.
|
||
dnl The following is needed to set FREETYPE_LIBS.
|
||
EMACS_CHECK_MODULES([FREETYPE], [freetype2])
|
||
|
||
test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(cairo requires libfreetype)
|
||
|
||
EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
|
||
|
||
test "$HAVE_FONTCONFIG" = "no" && AC_MSG_ERROR(cairo requires libfontconfig)
|
||
dnl For the "Does Emacs use" message at the end.
|
||
HAVE_XFT=no
|
||
else
|
||
## Use -lXft if available, unless '--with-xft=no'.
|
||
HAVE_XFT=maybe
|
||
if test "x${with_x}" = "xno"; then
|
||
with_xft="no";
|
||
fi
|
||
|
||
if test "$with_xft" != no; then
|
||
EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
|
||
with_xft=$HAVE_FONTCONFIG
|
||
fi
|
||
|
||
if test "x${with_xft}" != "xno"; then
|
||
|
||
EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
|
||
## Because xterm.c uses XRenderQueryExtension when XFT is
|
||
## enabled, we also need to link to -lXrender.
|
||
if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
|
||
OLD_CPPFLAGS="$CPPFLAGS"
|
||
OLD_CFLAGS="$CFLAGS"
|
||
OLD_LIBS="$LIBS"
|
||
CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
|
||
CFLAGS="$CFLAGS $XFT_CFLAGS"
|
||
LIBS="$XFT_LIBS $LIBS"
|
||
AC_CHECK_HEADER(X11/Xft/Xft.h,
|
||
AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
|
||
[[#include <X11/X.h>]])
|
||
|
||
if test "${HAVE_XFT}" = "yes"; then
|
||
AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
|
||
AC_SUBST(XFT_LIBS)
|
||
C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
|
||
fi # "${HAVE_XFT}" = "yes"
|
||
CPPFLAGS=$OLD_CPPFLAGS
|
||
CFLAGS=$OLD_CFLAGS
|
||
LIBS=$OLD_LIBS
|
||
else
|
||
# Make sure XFT is disabled if we found XFT but not XRender
|
||
HAVE_XFT=no
|
||
fi # "$HAVE_XFT" != no
|
||
fi # "x${with_xft}" != "xno"
|
||
|
||
if test "$HAVE_XFT" != "yes"; then
|
||
dnl For the "Does Emacs use" message at the end.
|
||
HAVE_XFT=no
|
||
HAVE_FREETYPE=no
|
||
else
|
||
dnl Strict linkers fail with
|
||
dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
|
||
dnl if -lfreetype is not specified.
|
||
dnl The following is needed to set FREETYPE_LIBS.
|
||
EMACS_CHECK_MODULES([FREETYPE], [freetype2])
|
||
|
||
test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
|
||
fi
|
||
fi # $HAVE_CAIRO != yes
|
||
|
||
HAVE_LIBOTF=no
|
||
if test "${HAVE_FREETYPE}" = "yes"; then
|
||
AC_DEFINE(HAVE_FREETYPE, 1,
|
||
[Define to 1 if using the freetype and fontconfig libraries.])
|
||
OLD_CFLAGS=$CFLAGS
|
||
OLD_LIBS=$LIBS
|
||
CFLAGS="$CFLAGS $FREETYPE_CFLAGS"
|
||
LIBS="$FREETYPE_LIBS $LIBS"
|
||
AC_CHECK_FUNCS(FT_Face_GetCharVariantIndex)
|
||
CFLAGS=$OLD_CFLAGS
|
||
LIBS=$OLD_LIBS
|
||
if test "${with_libotf}" != "no"; then
|
||
EMACS_CHECK_MODULES([LIBOTF], [libotf])
|
||
if test "$HAVE_LIBOTF" = "yes"; then
|
||
AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
|
||
AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
|
||
HAVE_OTF_GET_VARIATION_GLYPHS=yes,
|
||
HAVE_OTF_GET_VARIATION_GLYPHS=no)
|
||
if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
|
||
AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
|
||
[Define to 1 if libotf has OTF_get_variation_glyphs.])
|
||
fi
|
||
if ! $PKG_CONFIG --atleast-version=0.9.16 libotf; then
|
||
AC_DEFINE(HAVE_OTF_KANNADA_BUG, 1,
|
||
[Define to 1 if libotf is affected by https://debbugs.gnu.org/28110.])
|
||
fi
|
||
fi
|
||
fi
|
||
dnl FIXME should there be an error if HAVE_FREETYPE != yes?
|
||
dnl Does the new font backend require it, or can it work without it?
|
||
fi
|
||
|
||
HAVE_M17N_FLT=no
|
||
if test "${HAVE_LIBOTF}" = yes; then
|
||
if test "${with_m17n_flt}" != "no"; then
|
||
EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
|
||
if test "$HAVE_M17N_FLT" = "yes"; then
|
||
AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
|
||
fi
|
||
fi
|
||
fi
|
||
else # "${HAVE_X11}" != "yes"
|
||
HAVE_XFT=no
|
||
HAVE_FREETYPE=no
|
||
HAVE_LIBOTF=no
|
||
HAVE_M17N_FLT=no
|
||
fi # "${HAVE_X11}" != "yes"
|
||
|
||
HAVE_HARFBUZZ=no
|
||
### On MS-Windows we use hb_font_get_nominal_glyph, which appeared
|
||
### in HarfBuzz version 1.2.3
|
||
if test "${HAVE_W32}" = "yes"; then
|
||
harfbuzz_required_ver=1.2.3
|
||
else
|
||
harfbuzz_required_ver=0.9.42
|
||
fi
|
||
if test "${HAVE_X11}" = "yes" && test "${HAVE_FREETYPE}" = "yes" \
|
||
|| test "${HAVE_W32}" = "yes"; then
|
||
if test "${with_harfbuzz}" != "no"; then
|
||
EMACS_CHECK_MODULES([HARFBUZZ], [harfbuzz >= $harfbuzz_required_ver])
|
||
if test "$HAVE_HARFBUZZ" = "yes"; then
|
||
AC_DEFINE(HAVE_HARFBUZZ, 1, [Define to 1 if using HarfBuzz.])
|
||
### mingw32 and Cygwin-w32 don't use -lharfbuzz, since they load
|
||
### the library dynamically.
|
||
if test "${HAVE_W32}" = "yes"; then
|
||
HARFBUZZ_LIBS=
|
||
fi
|
||
fi
|
||
fi
|
||
fi
|
||
|
||
### End of font-backend section.
|
||
|
||
AC_SUBST(FREETYPE_CFLAGS)
|
||
AC_SUBST(FREETYPE_LIBS)
|
||
AC_SUBST(FONTCONFIG_CFLAGS)
|
||
AC_SUBST(FONTCONFIG_LIBS)
|
||
AC_SUBST(HARFBUZZ_CFLAGS)
|
||
AC_SUBST(HARFBUZZ_LIBS)
|
||
AC_SUBST(LIBOTF_CFLAGS)
|
||
AC_SUBST(LIBOTF_LIBS)
|
||
AC_SUBST(M17N_FLT_CFLAGS)
|
||
AC_SUBST(M17N_FLT_LIBS)
|
||
|
||
if test "${HAVE_X11}" = "yes"; then
|
||
AC_CHECK_HEADER(X11/Xlib-xcb.h,
|
||
AC_CHECK_LIB(xcb, xcb_translate_coordinates, HAVE_XCB=yes))
|
||
if test "${HAVE_XCB}" = "yes"; then
|
||
AC_CHECK_LIB(X11-xcb, XGetXCBConnection, HAVE_X11_XCB=yes)
|
||
if test "${HAVE_X11_XCB}" = "yes"; then
|
||
AC_DEFINE(USE_XCB, 1,
|
||
[Define to 1 if you have the XCB library and X11-XCB library for mixed
|
||
X11/XCB programming.])
|
||
XCB_LIBS="-lX11-xcb -lxcb"
|
||
AC_SUBST(XCB_LIBS)
|
||
fi
|
||
fi
|
||
fi
|
||
|
||
### Use -lXpm if available, unless '--with-xpm=no'.
|
||
### mingw32 doesn't use -lXpm, since it loads the library dynamically.
|
||
### The Cygwin-w32 build uses <noX/xpm.h> instead of <X11/xpm.h>, so
|
||
### we need to set LDFLAGS accordingly.
|
||
HAVE_XPM=no
|
||
LIBXPM=
|
||
if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
|
||
if test "${with_xpm}" != "no"; then
|
||
SAVE_LDFLAGS="$LDFLAGS"
|
||
LDFLAGS="$LDFLAGS -L/usr/lib/noX"
|
||
AC_CHECK_HEADER(noX/xpm.h,
|
||
[AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
|
||
if test "${HAVE_XPM}" = "yes"; then
|
||
AC_CACHE_CHECK([for XpmReturnAllocPixels preprocessor define],
|
||
[emacs_cv_cpp_xpm_return_alloc_pixels],
|
||
[AC_EGREP_CPP(no_return_alloc_pixels,
|
||
[#include "noX/xpm.h"
|
||
#ifndef XpmReturnAllocPixels
|
||
no_return_alloc_pixels
|
||
#endif
|
||
], emacs_cv_cpp_xpm_return_alloc_pixels=no,
|
||
emacs_cv_cpp_xpm_return_alloc_pixels=yes)])
|
||
|
||
if test "$emacs_cv_cpp_xpm_return_alloc_pixels" = "no"; then
|
||
HAVE_XPM=no
|
||
LDFLAGS="$SAVE_LDFLAGS"
|
||
fi
|
||
fi
|
||
fi
|
||
|
||
if test "${HAVE_XPM}" = "yes"; then
|
||
AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
|
||
LIBXPM=-lXpm
|
||
fi
|
||
fi
|
||
|
||
if test "${HAVE_X11}" = "yes"; then
|
||
dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
|
||
case $opsys,$with_xpm_set,$with_xpm in
|
||
aix4-2,set,yes) ;;
|
||
aix4-2,*) with_xpm=no;;
|
||
esac
|
||
|
||
if test "${with_xpm}" != "no"; then
|
||
AC_CHECK_HEADER(X11/xpm.h,
|
||
[AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
|
||
if test "${HAVE_XPM}" = "yes"; then
|
||
AC_CACHE_CHECK([for XpmReturnAllocPixels preprocessor define],
|
||
[emacs_cv_cpp_xpm_return_alloc_pixels],
|
||
[AC_EGREP_CPP(no_return_alloc_pixels,
|
||
[#include "X11/xpm.h"
|
||
#ifndef XpmReturnAllocPixels
|
||
no_return_alloc_pixels
|
||
#endif
|
||
], emacs_cv_cpp_xpm_return_alloc_pixels=no,
|
||
emacs_cv_cpp_xpm_return_alloc_pixels=yes)])
|
||
|
||
if test "$emacs_cv_cpp_xpm_return_alloc_pixels" = "no"; then
|
||
HAVE_XPM=no
|
||
fi
|
||
fi
|
||
fi
|
||
|
||
if test "${HAVE_XPM}" = "yes"; then
|
||
AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
|
||
LIBXPM=-lXpm
|
||
elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
|
||
dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
|
||
LIBXPM=-lXpm
|
||
fi
|
||
fi
|
||
|
||
### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
|
||
### slightly different requirements wrt image libraries (it doesn't
|
||
### use -lXpm because it loads the xpm shared library dynamically at
|
||
### run time).
|
||
if test "${opsys}" = "mingw32"; then
|
||
if test "${with_xpm}" != "no"; then
|
||
AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
|
||
#define FOR_MSW 1])
|
||
fi
|
||
|
||
if test "${HAVE_XPM}" = "yes"; then
|
||
AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
|
||
fi
|
||
fi
|
||
|
||
AC_SUBST(LIBXPM)
|
||
|
||
### Use -ljpeg if available, unless '--with-jpeg=no'.
|
||
HAVE_JPEG=no
|
||
LIBJPEG=
|
||
if test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes" \
|
||
|| test "${HAVE_NS}" = "yes"; then
|
||
if test "${with_jpeg}" != "no"; then
|
||
AC_CACHE_CHECK([for jpeglib 6b or later],
|
||
[emacs_cv_jpeglib],
|
||
[OLD_LIBS=$LIBS
|
||
for emacs_cv_jpeglib in yes -ljpeg no; do
|
||
case $emacs_cv_jpeglib in
|
||
yes) ;;
|
||
no) break;;
|
||
*) LIBS="$LIBS $emacs_cv_jpeglib";;
|
||
esac
|
||
AC_LINK_IFELSE(
|
||
[AC_LANG_PROGRAM(
|
||
[[#undef HAVE_STDLIB_H /* Avoid config.h/jpeglib.h collision. */
|
||
#include <stdio.h> /* jpeglib.h needs FILE and size_t. */
|
||
#include <jpeglib.h>
|
||
#include <jerror.h>
|
||
char verify[JPEG_LIB_VERSION < 62 ? -1 : 1];
|
||
struct jpeg_decompress_struct cinfo;
|
||
]],
|
||
[[
|
||
jpeg_create_decompress (&cinfo);
|
||
WARNMS (&cinfo, JWRN_JPEG_EOF);
|
||
jpeg_destroy_decompress (&cinfo);
|
||
]])],
|
||
[emacs_link_ok=yes],
|
||
[emacs_link_ok=no])
|
||
LIBS=$OLD_LIBS
|
||
test $emacs_link_ok = yes && break
|
||
done])
|
||
if test "$emacs_cv_jpeglib" != no; then
|
||
HAVE_JPEG=yes
|
||
AC_DEFINE([HAVE_JPEG], 1,
|
||
[Define to 1 if you have the jpeg library (typically -ljpeg).])
|
||
### mingw32 doesn't use -ljpeg, since it loads the library
|
||
### dynamically when needed, and doesn't want a run-time
|
||
### dependency on the jpeglib DLL.
|
||
test "$emacs_cv_jpeglib" != yes && test "${opsys}" != "mingw32" \
|
||
&& LIBJPEG=$emacs_cv_jpeglib
|
||
fi
|
||
fi
|
||
fi
|
||
AC_SUBST(LIBJPEG)
|
||
|
||
HAVE_LCMS2=no
|
||
LCMS2_CFLAGS=
|
||
LCMS2_LIBS=
|
||
if test "${with_lcms2}" != "no"; then
|
||
EMACS_CHECK_MODULES([LCMS2], [lcms2])
|
||
fi
|
||
if test "${HAVE_LCMS2}" = "yes"; then
|
||
AC_DEFINE([HAVE_LCMS2], 1, [Define to 1 if you have the lcms2 library (-llcms2).])
|
||
### mingw32 doesn't use -llcms2, since it loads the library dynamically.
|
||
if test "${opsys}" = "mingw32"; then
|
||
LCMS2_LIBS=
|
||
fi
|
||
fi
|
||
AC_SUBST(LCMS2_CFLAGS)
|
||
AC_SUBST(LCMS2_LIBS)
|
||
|
||
HAVE_ZLIB=no
|
||
LIBZ=
|
||
if test "${with_zlib}" != "no"; then
|
||
OLIBS=$LIBS
|
||
AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
|
||
LIBS=$OLIBS
|
||
case $ac_cv_search_inflateEnd in
|
||
-*) LIBZ=$ac_cv_search_inflateEnd ;;
|
||
esac
|
||
fi
|
||
if test "${HAVE_ZLIB}" = "yes"; then
|
||
AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
|
||
### mingw32 doesn't use -lz, since it loads the library dynamically.
|
||
if test "${opsys}" = "mingw32"; then
|
||
LIBZ=
|
||
fi
|
||
fi
|
||
AC_SUBST(LIBZ)
|
||
|
||
### Dynamic modules support
|
||
LIBMODULES=
|
||
HAVE_MODULES=no
|
||
MODULES_OBJ=
|
||
case $opsys in
|
||
cygwin|mingw32) MODULES_SUFFIX=".dll" ;;
|
||
darwin) MODULES_SUFFIX=".dylib" ;;
|
||
*) MODULES_SUFFIX=".so" ;;
|
||
esac
|
||
case "${opsys}" in
|
||
darwin) MODULES_SECONDARY_SUFFIX='.so' ;;
|
||
*) MODULES_SECONDARY_SUFFIX='' ;;
|
||
esac
|
||
if test "${with_modules}" != "no"; then
|
||
case $opsys in
|
||
gnu|gnu-linux)
|
||
LIBMODULES="-ldl"
|
||
HAVE_MODULES=yes
|
||
;;
|
||
cygwin|mingw32|darwin)
|
||
HAVE_MODULES=yes
|
||
;;
|
||
*)
|
||
# BSD systems have dlopen in libc.
|
||
AC_CHECK_FUNC([dlopen], [HAVE_MODULES=yes])
|
||
;;
|
||
esac
|
||
|
||
if test "${HAVE_MODULES}" = no; then
|
||
AC_MSG_ERROR([Dynamic modules are not supported on your system])
|
||
else
|
||
SAVE_LIBS=$LIBS
|
||
LIBS="$LIBS $LIBMODULES"
|
||
AC_CHECK_FUNCS([dladdr dlfunc])
|
||
LIBS=$SAVE_LIBS
|
||
fi
|
||
fi
|
||
|
||
if test "${HAVE_MODULES}" = yes; then
|
||
MODULES_OBJ="dynlib.o emacs-module.o"
|
||
AC_DEFINE(HAVE_MODULES, 1, [Define to 1 if dynamic modules are enabled])
|
||
AC_DEFINE_UNQUOTED(MODULES_SUFFIX, "$MODULES_SUFFIX",
|
||
[System extension for dynamic libraries])
|
||
if test -n "${MODULES_SECONDARY_SUFFIX}"; then
|
||
AC_DEFINE_UNQUOTED(MODULES_SECONDARY_SUFFIX, "$MODULES_SECONDARY_SUFFIX",
|
||
[Alternative system extension for dynamic libraries.])
|
||
fi
|
||
fi
|
||
AC_SUBST(MODULES_OBJ)
|
||
AC_SUBST(LIBMODULES)
|
||
AC_SUBST(HAVE_MODULES)
|
||
AC_SUBST(MODULES_SUFFIX)
|
||
AC_SUBST(MODULES_SECONDARY_SUFFIX)
|
||
|
||
AC_CONFIG_FILES([src/emacs-module.h])
|
||
AC_SUBST_FILE([module_env_snippet_25])
|
||
AC_SUBST_FILE([module_env_snippet_26])
|
||
AC_SUBST_FILE([module_env_snippet_27])
|
||
AC_SUBST_FILE([module_env_snippet_28])
|
||
module_env_snippet_25="$srcdir/src/module-env-25.h"
|
||
module_env_snippet_26="$srcdir/src/module-env-26.h"
|
||
module_env_snippet_27="$srcdir/src/module-env-27.h"
|
||
module_env_snippet_28="$srcdir/src/module-env-28.h"
|
||
emacs_major_version="${PACKAGE_VERSION%%.*}"
|
||
AC_SUBST(emacs_major_version)
|
||
|
||
### Use -lpng if available, unless '--with-png=no'.
|
||
HAVE_PNG=no
|
||
LIBPNG=
|
||
PNG_CFLAGS=
|
||
if test "${with_png}" != no; then
|
||
# mingw32 loads the library dynamically.
|
||
if test "$opsys" = mingw32; then
|
||
AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
|
||
elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes" \
|
||
|| test "${HAVE_NS}" = "yes"; then
|
||
EMACS_CHECK_MODULES([PNG], [libpng >= 1.0.0])
|
||
if test $HAVE_PNG = yes; then
|
||
LIBPNG=$PNG_LIBS
|
||
else
|
||
# Test old way in case pkg-config doesn't have it (older machines).
|
||
AC_MSG_CHECKING([for libpng not configured by pkg-config])
|
||
|
||
png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
|
||
png_ldflags=`(libpng-config --ldflags) 2>&AS_MESSAGE_LOG_FD` || {
|
||
# libpng-config does not work; configure by hand.
|
||
# Debian unstable as of July 2003 has multiple libpngs, and puts png.h
|
||
# in /usr/include/libpng.
|
||
if test -r /usr/include/libpng/png.h &&
|
||
test ! -r /usr/include/png.h; then
|
||
png_cflags=-I/usr/include/libpng
|
||
else
|
||
png_cflags=
|
||
fi
|
||
png_ldflags='-lpng'
|
||
}
|
||
SAVE_CFLAGS=$CFLAGS
|
||
SAVE_LIBS=$LIBS
|
||
CFLAGS="$CFLAGS $png_cflags"
|
||
LIBS="$png_ldflags -lz -lm $LIBS"
|
||
AC_LINK_IFELSE(
|
||
[AC_LANG_PROGRAM([[#include <png.h>]],
|
||
[[return !png_get_channels (0, 0);]])],
|
||
[HAVE_PNG=yes
|
||
PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
|
||
LIBPNG=$png_ldflags])
|
||
CFLAGS=$SAVE_CFLAGS
|
||
LIBS=$SAVE_LIBS
|
||
AC_MSG_RESULT([$HAVE_PNG])
|
||
fi
|
||
|
||
# $LIBPNG requires explicit -lz in some cases.
|
||
# We don't know what those cases are, exactly, so play it safe and
|
||
# append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
|
||
case " $LIBPNG ",$LIBZ in
|
||
*' -lz '*, | *' ',?*) ;;
|
||
*) LIBPNG="$LIBPNG -lz" ;;
|
||
esac
|
||
fi
|
||
fi
|
||
if test $HAVE_PNG = yes; then
|
||
AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
|
||
|
||
SAVE_CFLAGS=$CFLAGS
|
||
CFLAGS="$CFLAGS $PNG_CFLAGS"
|
||
AC_CHECK_DECL([png_longjmp],
|
||
[],
|
||
[AC_DEFINE([PNG_DEPSTRUCT], [],
|
||
[Define to empty to suppress deprecation warnings when building
|
||
with --enable-gcc-warnings and with libpng versions before 1.5,
|
||
which lack png_longjmp.])],
|
||
[[#include <png.h>
|
||
]])
|
||
CFLAGS=$SAVE_CFLAGS
|
||
fi
|
||
AC_SUBST(LIBPNG)
|
||
AC_SUBST(PNG_CFLAGS)
|
||
|
||
### Use -ltiff if available, unless '--with-tiff=no'.
|
||
### mingw32 doesn't use -ltiff, since it loads the library dynamically.
|
||
HAVE_TIFF=no
|
||
LIBTIFF=
|
||
if test "${opsys}" = "mingw32"; then
|
||
if test "${with_tiff}" != "no"; then
|
||
AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
|
||
fi
|
||
if test "${HAVE_TIFF}" = "yes"; then
|
||
AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
|
||
fi
|
||
elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes" \
|
||
|| test "${HAVE_NS}" = "yes"; then
|
||
if test "${with_tiff}" != "no"; then
|
||
AC_CHECK_HEADER(tiffio.h,
|
||
[tifflibs="-lz -lm"
|
||
# At least one tiff package requires the jpeg library.
|
||
if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
|
||
AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
|
||
fi
|
||
|
||
if test "${HAVE_TIFF}" = "yes"; then
|
||
AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
|
||
dnl FIXME -lz -lm, as per libpng?
|
||
LIBTIFF=-ltiff
|
||
fi
|
||
fi
|
||
AC_SUBST(LIBTIFF)
|
||
|
||
### Use -lgif or -lungif if available, unless '--with-gif=no'.
|
||
### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
|
||
HAVE_GIF=no
|
||
LIBGIF=
|
||
if test "${opsys}" = "mingw32"; then
|
||
if test "${with_gif}" != "no"; then
|
||
AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
|
||
fi
|
||
if test "${HAVE_GIF}" = "yes"; then
|
||
AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
|
||
fi
|
||
elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
|
||
|| test "${HAVE_W32}" = "yes" || test "${HAVE_NS}" = "yes"; then
|
||
AC_CHECK_HEADER(gif_lib.h,
|
||
# EGifPutExtensionLast only exists from version libungif-4.1.0b1.
|
||
# Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
|
||
[AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
|
||
[AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
|
||
|
||
if test "$HAVE_GIF" = yes; then
|
||
LIBGIF=-lgif
|
||
elif test "$HAVE_GIF" = maybe; then
|
||
# If gif_lib.h but no libgif, try libungif.
|
||
AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
|
||
test "$HAVE_GIF" = yes && LIBGIF=-lungif
|
||
fi
|
||
|
||
if test "${HAVE_GIF}" = "yes"; then
|
||
AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
|
||
fi
|
||
fi
|
||
AC_SUBST(LIBGIF)
|
||
|
||
dnl Check for required libraries.
|
||
MISSING=
|
||
WITH_IFAVAILABLE=
|
||
if test "${HAVE_X11}" = "yes"; then
|
||
case $with_xpm,$HAVE_XPM in
|
||
no,* | ifavailable,* | *,yes) ;;
|
||
*) MISSING="libXpm"
|
||
WITH_IFAVAILABLE="--with-xpm=ifavailable";;
|
||
esac
|
||
case $with_jpeg,$HAVE_JPEG in
|
||
no,* | ifavailable,* | *,yes) ;;
|
||
*) MISSING="$MISSING libjpeg"
|
||
WITH_IFAVAILABLE="$WITH_IFAVAILABLE --with-jpeg=ifavailable";;
|
||
esac
|
||
case $with_png,$HAVE_PNG in
|
||
no,* | ifavailable,* | *,yes) ;;
|
||
*) MISSING="$MISSING libpng"
|
||
WITH_IFAVAILABLE="$WITH_IFAVAILABLE --with-png=ifavailable";;
|
||
esac
|
||
case $with_gif,$HAVE_GIF in
|
||
no,* | ifavailable,* | *,yes) ;;
|
||
*) MISSING="$MISSING libgif/libungif"
|
||
WITH_IFAVAILABLE="$WITH_IFAVAILABLE --with-gif=ifavailable";;
|
||
esac
|
||
case $with_tiff,$HAVE_TIFF in
|
||
no,* | ifavailable,* | *,yes) ;;
|
||
*) MISSING="$MISSING libtiff"
|
||
WITH_IFAVAILABLE="$WITH_IFAVAILABLE --with-tiff=ifavailable";;
|
||
esac
|
||
fi
|
||
case $with_gnutls,$HAVE_GNUTLS in
|
||
no,* | ifavailable,* | *,yes) ;;
|
||
*) MISSING="$MISSING gnutls"
|
||
WITH_IFAVAILABLE="$WITH_IFAVAILABLE --with-gnutls=ifavailable";;
|
||
esac
|
||
case $with_json,$HAVE_JSON in
|
||
no,* | ifavailable,* | *,yes) ;;
|
||
*) MISSING="$MISSING json"
|
||
WITH_IFAVAILABLE="$WITH_IFAVAILABLE --with-json=ifavailable";;
|
||
esac
|
||
if test "X${MISSING}" != X; then
|
||
AC_MSG_ERROR([The following required libraries were not found:
|
||
$MISSING
|
||
Maybe some development libraries/packages are missing?
|
||
To build anyway, give:
|
||
$WITH_IFAVAILABLE
|
||
as options to configure.])
|
||
fi
|
||
|
||
### Use -lgpm if available, unless '--with-gpm=no'.
|
||
HAVE_GPM=no
|
||
LIBGPM=
|
||
if test "${with_gpm}" != "no"; then
|
||
AC_CHECK_HEADER(gpm.h,
|
||
[AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
|
||
|
||
if test "${HAVE_GPM}" = "yes"; then
|
||
AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
|
||
LIBGPM=-lgpm
|
||
fi
|
||
fi
|
||
AC_SUBST(LIBGPM)
|
||
|
||
dnl Check for malloc/malloc.h on darwin
|
||
AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
|
||
|
||
GNUSTEP_CFLAGS=
|
||
### Use NeXTstep API to implement GUI.
|
||
if test "${HAVE_NS}" = "yes"; then
|
||
AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on macOS.])
|
||
if test "${NS_IMPL_COCOA}" = "yes"; then
|
||
AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under macOS.])
|
||
fi
|
||
if test "${NS_IMPL_GNUSTEP}" = "yes"; then
|
||
AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
|
||
if test $NS_GNUSTEP_CONFIG != yes; then
|
||
# See also .m.o rule in src/Makefile.in. */
|
||
# FIXME: are all these flags really needed? Document here why. */
|
||
GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
|
||
## Extra CFLAGS applied to src/*.m files.
|
||
GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
|
||
fi
|
||
fi
|
||
OTHER_FILES=ns-app
|
||
fi
|
||
|
||
### Use session management (-lSM -lICE) if available
|
||
HAVE_X_SM=no
|
||
LIBXSM=
|
||
if test "${HAVE_X11}" = "yes"; then
|
||
AC_CHECK_HEADER(X11/SM/SMlib.h,
|
||
[AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
|
||
|
||
if test "${HAVE_X_SM}" = "yes"; then
|
||
AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
|
||
LIBXSM="-lSM -lICE"
|
||
fi
|
||
fi
|
||
AC_SUBST(LIBXSM)
|
||
|
||
### Use XRandr (-lXrandr) if available
|
||
HAVE_XRANDR=no
|
||
if test "${HAVE_X11}" = "yes"; then
|
||
XRANDR_REQUIRED=1.2.2
|
||
XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
|
||
EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
|
||
if test $HAVE_XRANDR = no; then
|
||
# Test old way in case pkg-config doesn't have it (older machines).
|
||
# Include Xrender.h by hand to work around bug in older Xrandr.h
|
||
# (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
|
||
AC_CHECK_HEADER(X11/extensions/Xrandr.h,
|
||
[AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
|
||
[], [AC_INCLUDES_DEFAULT
|
||
#include <X11/extensions/Xrender.h>])
|
||
if test $HAVE_XRANDR = yes; then
|
||
XRANDR_LIBS=-lXrandr
|
||
fi
|
||
fi
|
||
if test $HAVE_XRANDR = yes; then
|
||
AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
|
||
fi
|
||
fi
|
||
AC_SUBST(XRANDR_CFLAGS)
|
||
AC_SUBST(XRANDR_LIBS)
|
||
|
||
### Use Xinerama (-lXinerama) if available
|
||
HAVE_XINERAMA=no
|
||
if test "${HAVE_X11}" = "yes"; then
|
||
XINERAMA_REQUIRED=1.0.2
|
||
XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
|
||
EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
|
||
if test $HAVE_XINERAMA = no; then
|
||
# Test old way in case pkg-config doesn't have it (older machines).
|
||
AC_CHECK_HEADER(X11/extensions/Xinerama.h,
|
||
[AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
|
||
if test $HAVE_XINERAMA = yes; then
|
||
XINERAMA_LIBS=-lXinerama
|
||
fi
|
||
fi
|
||
if test $HAVE_XINERAMA = yes; then
|
||
AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
|
||
fi
|
||
fi
|
||
AC_SUBST(XINERAMA_CFLAGS)
|
||
AC_SUBST(XINERAMA_LIBS)
|
||
|
||
### Use Xfixes (-lXfixes) if available
|
||
HAVE_XFIXES=no
|
||
if test "${HAVE_X11}" = "yes"; then
|
||
XFIXES_REQUIRED=4.0.0
|
||
XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
|
||
EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
|
||
if test $HAVE_XFIXES = no; then
|
||
# Test old way in case pkg-config doesn't have it (older machines).
|
||
AC_CHECK_HEADER(X11/extensions/Xfixes.h,
|
||
[AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
|
||
if test $HAVE_XFIXES = yes; then
|
||
XFIXES_LIBS=-lXfixes
|
||
fi
|
||
fi
|
||
if test $HAVE_XFIXES = yes; then
|
||
AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
|
||
fi
|
||
fi
|
||
AC_SUBST(XFIXES_CFLAGS)
|
||
AC_SUBST(XFIXES_LIBS)
|
||
|
||
### Use Xdbe (-lXdbe) if available
|
||
HAVE_XDBE=no
|
||
if test "${HAVE_X11}" = "yes"; then
|
||
if test "${with_xdbe}" != "no"; then
|
||
AC_CHECK_HEADER(X11/extensions/Xdbe.h,
|
||
[AC_CHECK_LIB(Xext, XdbeAllocateBackBufferName, HAVE_XDBE=yes)],
|
||
[],
|
||
[#include <X11/Xlib.h>
|
||
])
|
||
fi
|
||
if test $HAVE_XDBE = yes; then
|
||
XDBE_LIBS=-lXext
|
||
fi
|
||
if test $HAVE_XDBE = yes; then
|
||
AC_DEFINE(HAVE_XDBE, 1, [Define to 1 if you have the Xdbe extension.])
|
||
fi
|
||
fi
|
||
AC_SUBST(XDBE_CFLAGS)
|
||
AC_SUBST(XDBE_LIBS)
|
||
|
||
### Use libxml (-lxml2) if available
|
||
### mingw32 doesn't use -lxml2, since it loads the library dynamically.
|
||
HAVE_LIBXML2=no
|
||
if test "${with_xml2}" != "no"; then
|
||
### I'm not sure what the version number should be, so I just guessed.
|
||
EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
|
||
# Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
|
||
if test "${HAVE_LIBXML2}" != "yes" && test "$opsys" = "darwin"; then
|
||
SAVE_CPPFLAGS="$CPPFLAGS"
|
||
if test -z "$xcsdkdir" -a -n "$XCRUN" -a ! -d /usr/include; then
|
||
dnl /usr/include is not found. Try Xcode SDK dir if it is sane.
|
||
xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
|
||
case $xcsdkdir in
|
||
*[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
|
||
xcsdkdir="" ;;
|
||
esac
|
||
fi
|
||
CPPFLAGS="$CPPFLAGS -isystem${xcsdkdir}/usr/include/libxml2"
|
||
AC_CHECK_HEADER(libxml/HTMLparser.h,
|
||
[AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
|
||
[#include <libxml/HTMLparser.h>])])
|
||
CPPFLAGS="$SAVE_CPPFLAGS"
|
||
if test "${HAVE_LIBXML2}" = "yes"; then
|
||
LIBXML2_CFLAGS="-isystem${xcsdkdir}/usr/include/libxml2"
|
||
LIBXML2_LIBS="-lxml2"
|
||
fi
|
||
fi
|
||
if test "${HAVE_LIBXML2}" = "yes"; then
|
||
if test "${opsys}" != "mingw32"; then
|
||
AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no,
|
||
[$LIBXML2_LIBS])
|
||
else
|
||
LIBXML2_LIBS=""
|
||
fi
|
||
if test "${HAVE_LIBXML2}" = "yes"; then
|
||
AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
|
||
else
|
||
LIBXML2_LIBS=""
|
||
LIBXML2_CFLAGS=""
|
||
fi
|
||
fi
|
||
fi
|
||
AC_SUBST(LIBXML2_LIBS)
|
||
AC_SUBST(LIBXML2_CFLAGS)
|
||
|
||
BLESSMAIL_TARGET=
|
||
LIBS_MAIL=
|
||
if test ! "$with_mailutils"; then
|
||
# Check for mail-locking functions in a "mail" library. Probably this should
|
||
# have the same check as for liblockfile below.
|
||
AC_CHECK_LIB([mail], [maillock], [have_mail=yes], [have_mail=no])
|
||
if test $have_mail = yes; then
|
||
LIBS_MAIL=-lmail
|
||
AC_DEFINE([HAVE_LIBMAIL], [1],
|
||
[Define to 1 if you have the 'mail' library (-lmail).])
|
||
|
||
OLD_LIBS=$LIBS
|
||
LIBS="$LIBS_MAIL $LIBS"
|
||
AC_CHECK_FUNCS([touchlock])
|
||
LIBS=$OLD_LIBS
|
||
fi
|
||
dnl Debian, at least:
|
||
AC_CHECK_LIB([lockfile], [maillock], [have_lockfile=yes], [have_lockfile=no])
|
||
if test $have_lockfile = yes; then
|
||
LIBS_MAIL=-llockfile
|
||
AC_DEFINE([HAVE_LIBLOCKFILE], [1],
|
||
[Define to 1 if you have the 'lockfile' library (-llockfile).])
|
||
else
|
||
# If we have the shared liblockfile, assume we must use it for mail
|
||
# locking (e.g. Debian). If we couldn't link against liblockfile
|
||
# (no liblockfile.a installed), ensure that we don't need to.
|
||
dnl This works for files generally, not just executables.
|
||
dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
|
||
AC_CHECK_PROG([liblockfile], [liblockfile.so], [yes], [no],
|
||
[/usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH])
|
||
if test "$ac_cv_prog_liblockfile" = yes; then
|
||
AC_MSG_ERROR([Shared liblockfile found but can't link against it.
|
||
This probably means that movemail could lose mail.
|
||
There may be a 'development' package to install containing liblockfile.])
|
||
fi
|
||
fi
|
||
AC_CHECK_HEADERS([maillock.h])
|
||
|
||
## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
|
||
## interlock access to the mail spool. The alternative is a lock file named
|
||
## /usr/spool/mail/$USER.lock.
|
||
mail_lock=no
|
||
case $opsys in
|
||
aix4-2) mail_lock="lockf" ;;
|
||
|
||
gnu|freebsd|dragonfly|netbsd|openbsd|darwin) mail_lock="flock" ;;
|
||
|
||
## On GNU/Linux systems, both methods are used by various mail programs.
|
||
## I assume most people are using newer mailers that have heard of flock.
|
||
## Change this if you need to.
|
||
## Debian contains a patch which says: "On Debian/GNU/Linux systems,
|
||
## configure gets the right answers, and that means *NOT* using flock.
|
||
## Using flock is guaranteed to be the wrong thing. See Debian Policy
|
||
## for details." and then uses '#ifdef DEBIAN'. Unfortunately the
|
||
## Debian maintainer hasn't provided a clean fix for Emacs.
|
||
## movemail.c will use 'maillock' when MAILDIR, HAVE_LIBMAIL and
|
||
## HAVE_MAILLOCK_H are defined, so the following appears to be the
|
||
## correct logic. -- fx
|
||
## We must check for HAVE_LIBLOCKFILE too, as movemail does.
|
||
## liblockfile is a Free Software replacement for libmail, used on
|
||
## Debian systems and elsewhere. -rfr.
|
||
gnu-*)
|
||
mail_lock="flock"
|
||
if test $have_mail = yes || test $have_lockfile = yes; then
|
||
test $ac_cv_header_maillock_h = yes && mail_lock=no
|
||
fi ;;
|
||
|
||
mingw32)
|
||
mail_lock="none-needed" ;;
|
||
esac
|
||
|
||
case $mail_lock in
|
||
flock) AC_DEFINE([MAIL_USE_FLOCK], [1],
|
||
[Define if the mailer uses flock to interlock the mail spool.]);;
|
||
|
||
lockf) AC_DEFINE([MAIL_USE_LOCKF], [1],
|
||
[Define if the mailer uses lockf to interlock the mail spool.]);;
|
||
|
||
none-needed) ;;
|
||
|
||
*) BLESSMAIL_TARGET="need-blessmail" ;;
|
||
esac
|
||
fi
|
||
AC_SUBST([BLESSMAIL_TARGET])
|
||
AC_SUBST([LIBS_MAIL])
|
||
|
||
OLD_LIBS=$LIBS
|
||
LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
|
||
AC_CHECK_FUNCS(accept4 fchdir gethostname \
|
||
getrusage get_current_dir_name \
|
||
lrand48 random rint trunc \
|
||
select getpagesize setlocale newlocale \
|
||
getrlimit setrlimit shutdown \
|
||
pthread_sigmask strsignal setitimer timer_getoverrun \
|
||
sendto recvfrom getsockname getifaddrs freeifaddrs \
|
||
gai_strerror sync \
|
||
getpwent endpwent getgrent endgrent \
|
||
cfmakeraw cfsetspeed __executable_start log2 pthread_setname_np \
|
||
pthread_set_name_np)
|
||
LIBS=$OLD_LIBS
|
||
|
||
if test "$ac_cv_func_pthread_setname_np" = "yes"; then
|
||
AC_CACHE_CHECK(
|
||
[whether pthread_setname_np takes a single argument],
|
||
[emacs_cv_pthread_setname_np_1arg],
|
||
[AC_COMPILE_IFELSE(
|
||
[AC_LANG_PROGRAM(
|
||
[[#include <pthread.h>]],
|
||
[[pthread_setname_np ("a");]])],
|
||
[emacs_cv_pthread_setname_np_1arg=yes],
|
||
[emacs_cv_pthread_setname_np_1arg=no])])
|
||
if test "$emacs_cv_pthread_setname_np_1arg" = "yes"; then
|
||
AC_DEFINE(
|
||
HAVE_PTHREAD_SETNAME_NP_1ARG, 1,
|
||
[Define to 1 if pthread_setname_np takes a single argument.])
|
||
else
|
||
AC_CACHE_CHECK(
|
||
[whether pthread_setname_np takes three arguments],
|
||
[emacs_cv_pthread_setname_np_3arg],
|
||
[AC_COMPILE_IFELSE(
|
||
[AC_LANG_PROGRAM(
|
||
[[#include <pthread.h>]],
|
||
[[pthread_setname_np (0, "%s", "a");]])],
|
||
[emacs_cv_pthread_setname_np_3arg=yes],
|
||
[emacs_cv_pthread_setname_np_3arg=no])])
|
||
if test "$emacs_cv_pthread_setname_np_3arg" = "yes"; then
|
||
AC_DEFINE(
|
||
HAVE_PTHREAD_SETNAME_NP_3ARG, 1,
|
||
[Define to 1 if pthread_setname_np takes three arguments.])
|
||
fi
|
||
fi
|
||
fi
|
||
|
||
dnl No need to check for posix_memalign if aligned_alloc works.
|
||
AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
|
||
AC_CHECK_DECLS([aligned_alloc], [], [], [[#include <stdlib.h>]])
|
||
|
||
case $with_unexec,$canonical in
|
||
yes,alpha*)
|
||
AC_CHECK_DECL([__ELF__], [],
|
||
[AC_MSG_ERROR([Non-ELF systems are not supported on this platform.])]);;
|
||
esac
|
||
|
||
# Dump loading
|
||
AC_CHECK_FUNCS([posix_madvise])
|
||
|
||
dnl Cannot use AC_CHECK_FUNCS
|
||
AC_CACHE_CHECK([for __builtin_frame_address],
|
||
[emacs_cv_func___builtin_frame_address],
|
||
[AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_frame_address (0);])],
|
||
[emacs_cv_func___builtin_frame_address=yes],
|
||
[emacs_cv_func___builtin_frame_address=no])])
|
||
if test $emacs_cv_func___builtin_frame_address = yes; then
|
||
AC_DEFINE([HAVE___BUILTIN_FRAME_ADDRESS], 1,
|
||
[Define to 1 if you have the '__builtin_frame_address' function.])
|
||
fi
|
||
AC_CACHE_CHECK([for __builtin_unwind_init],
|
||
emacs_cv_func___builtin_unwind_init,
|
||
[AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
|
||
emacs_cv_func___builtin_unwind_init=yes,
|
||
emacs_cv_func___builtin_unwind_init=no)])
|
||
if test $emacs_cv_func___builtin_unwind_init = yes; then
|
||
AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
|
||
[Define to 1 if you have the '__builtin_unwind_init' function.])
|
||
fi
|
||
|
||
AC_CHECK_HEADERS_ONCE(sys/un.h)
|
||
|
||
AC_FUNC_FSEEKO
|
||
|
||
# UNIX98 PTYs.
|
||
AC_CHECK_FUNCS(grantpt)
|
||
|
||
# PTY-related GNU extensions.
|
||
AC_CHECK_FUNCS(getpt posix_openpt)
|
||
|
||
dnl Run a test program that contains a call to tputs, a call that is
|
||
dnl never executed. This tests whether a pre-'main' dynamic linker
|
||
dnl works with the library. It's too much trouble to actually call
|
||
dnl tputs in the test program, due to portability hassles. When
|
||
dnl cross-compiling, assume the test program will run if it links.
|
||
AC_DEFUN([tputs_link_source], [
|
||
AC_LANG_SOURCE(
|
||
[[extern void tputs (const char *, int, int (*)(int));
|
||
int main (int argc, char **argv)
|
||
{
|
||
if (argc == 10000)
|
||
tputs (argv[0], 0, 0);
|
||
return 0;
|
||
}]])
|
||
])
|
||
# Check this now, so that we will NOT find the above functions in ncurses.
|
||
# That is because we have not set up to link ncurses in lib-src.
|
||
# It's better to believe a function is not available
|
||
# than to expect to find it in ncurses.
|
||
# Also we need tputs and friends to be able to build at all.
|
||
AC_CACHE_CHECK([for library containing tputs], [emacs_cv_tputs_lib],
|
||
[if test "${opsys}" = "mingw32"; then
|
||
emacs_cv_tputs_lib='none required'
|
||
else
|
||
# curses precedes termcap because of AIX (Bug#9736#35) and OpenIndiana.
|
||
tputs_libraries='tinfo ncurses terminfo curses termcap tinfow ncursesw'
|
||
for tputs_library in '' $tputs_libraries; do
|
||
OLIBS=$LIBS
|
||
if test -z "$tputs_library"; then
|
||
emacs_cv_tputs_lib='none required'
|
||
else
|
||
emacs_cv_tputs_lib=-l$tputs_library
|
||
LIBS="$emacs_cv_tputs_lib $LIBS"
|
||
fi
|
||
AC_RUN_IFELSE([tputs_link_source], [], [emacs_cv_tputs_lib=no],
|
||
[AC_LINK_IFELSE([tputs_link_source], [], [emacs_cv_tputs_lib=no])])
|
||
LIBS=$OLIBS
|
||
if test "X$emacs_cv_tputs_lib" != Xno; then
|
||
break
|
||
fi
|
||
done
|
||
fi])
|
||
AS_CASE(["$emacs_cv_tputs_lib"],
|
||
[no], [AC_MSG_ERROR([The required function 'tputs' was not found in any library.
|
||
The following libraries were tried (in order):
|
||
libtinfo, libncurses, libterminfo, libcurses, libtermcap
|
||
Please try installing whichever of these libraries is most appropriate
|
||
for your system, together with its header files.
|
||
For example, a libncurses-dev(el) or similar package.])],
|
||
[-l*], [LIBS_TERMCAP=$emacs_cv_tputs_lib],
|
||
[*], [LIBS_TERMCAP=])
|
||
|
||
## Use termcap instead of terminfo?
|
||
## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
|
||
TERMINFO=yes
|
||
## FIXME? In the cases below where we unconditionally set
|
||
## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
|
||
## if that was found above to have tputs.
|
||
## Should we use the gnu* logic everywhere?
|
||
case "$opsys" in
|
||
## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
|
||
## The ncurses library has been moved out of the System framework in
|
||
## Mac OS X 10.2. So if configure detects it, set the command-line
|
||
## option to use it.
|
||
darwin) LIBS_TERMCAP="-lncurses" ;;
|
||
|
||
gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
|
||
|
||
freebsd)
|
||
AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
|
||
AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
|
||
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
|
||
[[#if __FreeBSD_version < 400000
|
||
fail;
|
||
#endif
|
||
]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
|
||
|
||
AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
|
||
|
||
if test $emacs_cv_freebsd_terminfo = yes; then
|
||
LIBS_TERMCAP="-lncurses"
|
||
else
|
||
TERMINFO=no
|
||
LIBS_TERMCAP="-ltermcap"
|
||
fi
|
||
;;
|
||
|
||
mingw32)
|
||
TERMINFO=no
|
||
LIBS_TERMCAP=
|
||
;;
|
||
|
||
netbsd)
|
||
if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
|
||
TERMINFO=no
|
||
LIBS_TERMCAP="-ltermcap"
|
||
fi
|
||
;;
|
||
|
||
openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
|
||
|
||
## hpux: Make sure we get select from libc rather than from libcurses
|
||
## because libcurses on HPUX 10.10 has a broken version of select.
|
||
## We used to use -lc -lcurses, but this may be cleaner.
|
||
## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
|
||
# set that way, now it uses the default). Isn't this a contradiction?
|
||
hpux*) LIBS_TERMCAP="-ltermcap" ;;
|
||
|
||
esac
|
||
|
||
TERMCAP_OBJ=tparam.o
|
||
if test $TERMINFO = yes; then
|
||
AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
|
||
TERMCAP_OBJ=terminfo.o
|
||
AC_CACHE_CHECK([whether $LIBS_TERMCAP library defines BC],
|
||
[emacs_cv_terminfo_defines_BC],
|
||
[OLD_LIBS=$LIBS
|
||
LIBS="$LIBS $LIBS_TERMCAP"
|
||
AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern char *BC;]], [[return !*BC;]])],
|
||
[emacs_cv_terminfo_defines_BC=yes],
|
||
[emacs_cv_terminfo_defines_BC=no])
|
||
LIBS=$OLD_LIBS])
|
||
if test "$emacs_cv_terminfo_defines_BC" = yes; then
|
||
AC_DEFINE([TERMINFO_DEFINES_BC], 1, [Define to 1 if the
|
||
terminfo library defines the variables BC, PC, and UP.])
|
||
fi
|
||
fi
|
||
if test "X$LIBS_TERMCAP" = "X-lncurses"; then
|
||
AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
|
||
fi
|
||
AC_SUBST(LIBS_TERMCAP)
|
||
AC_SUBST(TERMCAP_OBJ)
|
||
|
||
# GNU/Linux-specific timer functions.
|
||
AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
|
||
[AC_COMPILE_IFELSE(
|
||
[AC_LANG_PROGRAM([[#include <sys/timerfd.h>
|
||
]],
|
||
[[timerfd_create (CLOCK_REALTIME,
|
||
TFD_CLOEXEC | TFD_NONBLOCK);
|
||
timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
|
||
[emacs_cv_have_timerfd=yes],
|
||
[emacs_cv_have_timerfd=no])])
|
||
if test "$emacs_cv_have_timerfd" = yes; then
|
||
AC_DEFINE([HAVE_TIMERFD], 1,
|
||
[Define to 1 if timerfd functions are supported as in GNU/Linux.])
|
||
fi
|
||
|
||
# Alternate stack for signal handlers.
|
||
AC_CACHE_CHECK([whether signals can be handled on alternate stack],
|
||
[emacs_cv_alternate_stack],
|
||
[AC_COMPILE_IFELSE(
|
||
[AC_LANG_PROGRAM([[#include <signal.h>
|
||
]],
|
||
[[stack_t ss;
|
||
struct sigaction sa;
|
||
ss.ss_sp = malloc (SIGSTKSZ);
|
||
ss.ss_size = SIGSTKSZ;
|
||
sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
|
||
sigaltstack (&ss, 0);
|
||
sigaction (SIGSEGV, &sa, 0);]])],
|
||
[emacs_cv_alternate_stack=yes],
|
||
[emacs_cv_alternate_stack=no])])
|
||
|
||
# Do we need the Hesiod library to provide the support routines?
|
||
dnl FIXME? Should we be skipping this on Darwin too?
|
||
LIBHESIOD=
|
||
LIBRESOLV=
|
||
if test "$with_hesiod" != no ; then
|
||
# Don't set $LIBS here -- see comments above. FIXME which comments?
|
||
resolv=no
|
||
AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
|
||
[AC_CHECK_LIB(resolv, res_send, resolv=yes,
|
||
[AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
|
||
if test "$resolv" = yes ; then
|
||
RESOLVLIB=-lresolv
|
||
else
|
||
RESOLVLIB=
|
||
fi
|
||
hesiod=no
|
||
AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
|
||
hesiod=yes, :, $RESOLVLIB)])
|
||
|
||
if test x"$hesiod" = xyes; then
|
||
LIBHESIOD=-lhesiod
|
||
LIBRESOLV=$RESOLVLIB
|
||
fi
|
||
fi
|
||
AC_SUBST(LIBHESIOD)
|
||
AC_SUBST(LIBRESOLV)
|
||
|
||
# These tell us which Kerberos-related libraries to use.
|
||
COM_ERRLIB=
|
||
CRYPTOLIB=
|
||
KRB5LIB=
|
||
DESLIB=
|
||
KRB4LIB=
|
||
|
||
if test "${with_kerberos}" != no; then
|
||
OLD_LIBS=$LIBS
|
||
AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
|
||
if test $have_com_err = yes; then
|
||
COM_ERRLIB=-lcom_err
|
||
LIBS="$COM_ERRLIB $LIBS"
|
||
fi
|
||
AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
|
||
if test $have_crypto = yes; then
|
||
CRYPTOLIB=-lcrypto
|
||
LIBS="$CRYPTOLIB $LIBS"
|
||
fi
|
||
AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
|
||
if test $have_k5crypto = yes; then
|
||
CRYPTOLIB=-lk5crypto
|
||
LIBS="$CRYPTOLIB $LIBS"
|
||
fi
|
||
AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
|
||
if test $have_krb5=yes; then
|
||
KRB5LIB=-lkrb5
|
||
LIBS="$KRB5LIB $LIBS"
|
||
fi
|
||
dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
|
||
if test "${with_kerberos5}" = no; then
|
||
AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
|
||
if test $have_des425 = yes; then
|
||
DESLIB=-ldes425
|
||
LIBS="$DESLIB $LIBS"
|
||
else
|
||
AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
|
||
if test $have_des = yes; then
|
||
DESLIB=-ldes
|
||
LIBS="$DESLIB $LIBS"
|
||
fi
|
||
fi
|
||
AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
|
||
if test $have_krb4 = yes; then
|
||
KRB4LIB=-lkrb4
|
||
LIBS="$KRB4LIB $LIBS"
|
||
else
|
||
AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
|
||
if test $have_krb = yes; then
|
||
KRB4LIB=-lkrb
|
||
LIBS="$KRB4LIB $LIBS"
|
||
fi
|
||
fi
|
||
fi
|
||
|
||
if test "${with_kerberos5}" != no; then
|
||
AC_CHECK_HEADERS(krb5.h,
|
||
[AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
|
||
[#include <krb5.h>])])
|
||
else
|
||
AC_CHECK_HEADERS(krb.h,,
|
||
[AC_CHECK_HEADERS(kerberosIV/krb.h,,
|
||
[AC_CHECK_HEADERS(kerberos/krb.h)])])
|
||
fi
|
||
AC_CHECK_HEADERS(com_err.h)
|
||
LIBS=$OLD_LIBS
|
||
fi
|
||
|
||
AC_SUBST(COM_ERRLIB)
|
||
AC_SUBST(CRYPTOLIB)
|
||
AC_SUBST(KRB5LIB)
|
||
AC_SUBST(DESLIB)
|
||
AC_SUBST(KRB4LIB)
|
||
|
||
AC_CHECK_HEADERS(valgrind/valgrind.h)
|
||
|
||
AC_CHECK_MEMBERS([struct unipair.unicode], [], [], [[#include <linux/kd.h>]])
|
||
|
||
AC_CHECK_FUNCS_ONCE([__lsan_ignore_object sbrk])
|
||
|
||
AC_FUNC_FORK
|
||
|
||
dnl AC_CHECK_FUNCS_ONCE wouldn’t be right for snprintf, which needs
|
||
dnl the current CFLAGS etc.
|
||
AC_CHECK_FUNCS(snprintf)
|
||
|
||
dnl Check for glib. This differs from other library checks in that
|
||
dnl Emacs need not link to glib unless some other library is already
|
||
dnl linking to glib. Although glib provides no facilities that Emacs
|
||
dnl needs for its own purposes, when glib is present Emacs needs to
|
||
dnl use primitives like g_main_context_query to avoid clashing with
|
||
dnl glib at a low level.
|
||
dnl
|
||
dnl Check this late, since it depends on $GTK_CFLAGS etc.
|
||
XGSELOBJ=
|
||
AC_CACHE_CHECK([whether GLib is linked in], [emacs_cv_links_glib],
|
||
[OLDCFLAGS="$CFLAGS"
|
||
OLDLIBS="$LIBS"
|
||
CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
|
||
LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
|
||
CFLAGS="$CFLAGS $NOTIFY_CFLAGS $CAIRO_CFLAGS"
|
||
LIBS="$LIBS $NOTIFY_LIBS $CAIRO_LIBS"
|
||
AC_LINK_IFELSE([AC_LANG_PROGRAM(
|
||
[[#include <glib.h>
|
||
]],
|
||
[[g_print ("Hello world");]])],
|
||
[emacs_cv_links_glib=yes],
|
||
[emacs_cv_links_glib=no])
|
||
CFLAGS="$OLDCFLAGS"
|
||
LIBS="$OLDLIBS"])
|
||
if test "${emacs_cv_links_glib}" = "yes"; then
|
||
AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
|
||
if test "$HAVE_NS" = no;then
|
||
XGSELOBJ=xgselect.o
|
||
fi
|
||
fi
|
||
AC_SUBST(XGSELOBJ)
|
||
|
||
dnl Adapted from Haible's version.
|
||
AC_CACHE_CHECK([for nl_langinfo and CODESET], [emacs_cv_langinfo_codeset],
|
||
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
|
||
[[char *cs = nl_langinfo(CODESET);]])],
|
||
[emacs_cv_langinfo_codeset=yes],
|
||
[emacs_cv_langinfo_codeset=no])
|
||
])
|
||
if test "$emacs_cv_langinfo_codeset" = yes; then
|
||
AC_DEFINE([HAVE_LANGINFO_CODESET], 1,
|
||
[Define if you have <langinfo.h> and nl_langinfo (CODESET).])
|
||
|
||
AC_CACHE_CHECK([for nl_langinfo and _NL_PAPER_WIDTH],
|
||
[emacs_cv_langinfo__nl_paper_width],
|
||
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
|
||
[[char *cs = nl_langinfo (_NL_PAPER_WIDTH);]])],
|
||
[emacs_cv_langinfo__nl_paper_width=yes],
|
||
[emacs_cv_langinfo__nl_paper_width=no])
|
||
])
|
||
if test "$emacs_cv_langinfo__nl_paper_width" = yes; then
|
||
AC_DEFINE([HAVE_LANGINFO__NL_PAPER_WIDTH], 1,
|
||
[Define if you have <langinfo.h> and nl_langinfo (_NL_PAPER_WIDTH).])
|
||
fi
|
||
fi
|
||
|
||
AC_TYPE_MBSTATE_T
|
||
|
||
dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
|
||
dnl how the tty code is related to POSIX and/or other versions of termios.
|
||
dnl The following looks like a useful start.
|
||
dnl
|
||
dnl AC_SYS_POSIX_TERMIOS
|
||
dnl if test $ac_cv_sys_posix_termios = yes; then
|
||
dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
|
||
dnl and macros for terminal control.])
|
||
dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
|
||
dnl fi
|
||
|
||
dnl Turned on June 1996 supposing nobody will mind it.
|
||
dnl MinGW emulates passwd database, so this feature doesn't make sense there.
|
||
if test "${opsys}" != "mingw32"; then
|
||
AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
|
||
in the full name stands for the login id.])
|
||
fi
|
||
|
||
dnl Everybody supports this, except MS.
|
||
dnl Seems like the kind of thing we should be testing for, though.
|
||
## Note: PTYs are broken on darwin <6. Use at your own risk.
|
||
if test "${opsys}" != "mingw32"; then
|
||
AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
|
||
fi
|
||
|
||
dnl Everybody supports this, except MS-DOS.
|
||
dnl Seems like the kind of thing we should be testing for, though.
|
||
AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
|
||
4.2-compatible sockets.])
|
||
|
||
AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
|
||
|
||
AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
|
||
a null file, or a data sink.])
|
||
if test "${opsys}" = "mingw32"; then
|
||
AC_DEFINE(NULL_DEVICE, ["NUL:"])
|
||
else
|
||
AC_DEFINE(NULL_DEVICE, ["/dev/null"])
|
||
fi
|
||
|
||
if test "${opsys}" = "mingw32"; then
|
||
SEPCHAR=';'
|
||
else
|
||
SEPCHAR=':'
|
||
fi
|
||
AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
|
||
dnl This is for MinGW, and is used in test/Makefile.in.
|
||
dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
|
||
dnl decides that a command-line argument to be passed to a MinGW program
|
||
dnl is a PATH-style list of directories. But that heuristics plays it
|
||
dnl safe, and only does the replacement when it is _absolutely_ sure it
|
||
dnl sees a colon-separated list of file names; e.g. ":." is left alone,
|
||
dnl which breaks in-tree builds. So we do this manually instead.
|
||
dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
|
||
dnl be computed as ':' in MSYS Bash.
|
||
AC_SUBST(SEPCHAR)
|
||
|
||
dnl Everybody supports this, except MS-DOS.
|
||
AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
|
||
|
||
AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
|
||
|
||
|
||
AC_DEFINE(DIRECTORY_SEP, ['/'],
|
||
[Character that separates directories in a file name.])
|
||
|
||
if test "${opsys}" = "mingw32"; then
|
||
AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
|
||
[Returns true if character is a device separator.])
|
||
|
||
AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
|
||
[Returns true if character is a directory separator.])
|
||
|
||
AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
|
||
[Returns true if character is any form of separator.])
|
||
else
|
||
AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
|
||
[Returns true if character is a device separator.])
|
||
|
||
AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
|
||
[Returns true if character is a directory separator.])
|
||
|
||
AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
|
||
[Returns true if character is any form of separator.])
|
||
fi
|
||
|
||
if test "$USE_X_TOOLKIT" != "none"; then
|
||
have_editres=yes
|
||
case $opsys in
|
||
hpux*)
|
||
dnl Assar Westerlund <assar@sics.se> says this is necessary
|
||
dnl for HP-UX 10.20, and that it works for HP-UX 0 as well.
|
||
have_editres=no
|
||
;;
|
||
esac
|
||
if test "$have_editres" != no && test ! -z "$LIBXMU"; then
|
||
OLDLIBS="$LIBS"
|
||
dnl See libXmu.a check above.
|
||
if test x$HAVE_X11XTR6 = xyes; then
|
||
LIBS="-lXt -lSM -lICE $LIBXMU"
|
||
else
|
||
OTHERLIBS="-lXt -$LIBXMU"
|
||
fi
|
||
AC_TRY_LINK(
|
||
[#include <X11/Intrinsic.h>
|
||
#include <X11/Xmu/Editres.h>],
|
||
[_XEditResCheckMessages (0, 0, 0, 0);],
|
||
[AC_DEFINE([X_TOOLKIT_EDITRES], 1,
|
||
[Define to 1 if we should use XEditRes.])])
|
||
LIBS=$OLDLIBS
|
||
fi
|
||
fi
|
||
|
||
case $opsys in
|
||
solaris | unixware )
|
||
dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
|
||
dnl instead, there's a system variable _sys_nsig. Unfortunately, we
|
||
dnl need the constant to dimension an array. So wire in the appropriate
|
||
dnl value here.
|
||
AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
|
||
;;
|
||
esac
|
||
|
||
emacs_broken_SIGIO=no
|
||
|
||
case $opsys in
|
||
dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
|
||
hpux* | nacl | openbsd | solaris | unixware )
|
||
emacs_broken_SIGIO=yes
|
||
;;
|
||
|
||
aix4-2)
|
||
dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
|
||
dnl the way this system works, libc functions that return malloced
|
||
dnl memory use the libc malloc implementation. Calling xfree or
|
||
dnl xrealloc on the results of such functions results in a crash.
|
||
dnl
|
||
dnl One solution for this could be to define SYSTEM_MALLOC in configure,
|
||
dnl but that does not currently work on this system.
|
||
dnl
|
||
dnl It is possible to completely override the malloc implementation on
|
||
dnl AIX, but that involves putting the malloc functions in a shared
|
||
dnl library and setting the MALLOCTYPE environment variable to point to
|
||
dnl that shared library.
|
||
dnl
|
||
dnl Emacs currently calls xrealloc on the results of get_current_dir name,
|
||
dnl to avoid a crash just use the Emacs implementation for that function.
|
||
dnl
|
||
dnl FIXME We could change the AC_CHECK_FUNCS call near the start
|
||
dnl of this file, so that we do not check for get_current_dir_name
|
||
dnl on AIX. But that might be fragile if something else ends
|
||
dnl up testing for get_current_dir_name as a dependency.
|
||
AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
|
||
get_current_dir_name should not be used.])
|
||
;;
|
||
|
||
freebsd)
|
||
dnl Circumvent a bug in FreeBSD. In the following sequence of
|
||
dnl writes/reads on a PTY, read(2) returns bogus data:
|
||
dnl
|
||
dnl write(2) 1022 bytes
|
||
dnl write(2) 954 bytes, get EAGAIN
|
||
dnl read(2) 1024 bytes in process_read_output
|
||
dnl read(2) 11 bytes in process_read_output
|
||
dnl
|
||
dnl That is, read(2) returns more bytes than have ever been written
|
||
dnl successfully. The 1033 bytes read are the 1022 bytes written
|
||
dnl successfully after processing (for example with CRs added if the
|
||
dnl terminal is set up that way which it is here). The same bytes will
|
||
dnl be seen again in a later read(2), without the CRs.
|
||
AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
|
||
work around an issue when reading from a PTY.])
|
||
;;
|
||
esac
|
||
|
||
case $opsys in
|
||
gnu-* | solaris )
|
||
dnl FIXME Can't we test if this exists (eg /proc/$$)?
|
||
AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
|
||
;;
|
||
esac
|
||
|
||
case $opsys in
|
||
darwin | dragonfly | freebsd | netbsd | openbsd )
|
||
AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
|
||
close a pty to make it a controlling terminal (it is already a
|
||
controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
|
||
;;
|
||
esac
|
||
|
||
dnl FIXME Surely we can test for this rather than hard-code it.
|
||
case $opsys in
|
||
netbsd | openbsd) sound_device="/dev/audio" ;;
|
||
*) sound_device="/dev/dsp" ;;
|
||
esac
|
||
|
||
dnl Used in sound.c
|
||
AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
|
||
[Name of the default sound device.])
|
||
|
||
|
||
dnl Emacs can read input using SIGIO and buffering characters itself,
|
||
dnl or using CBREAK mode and making C-g cause SIGINT.
|
||
dnl The choice is controlled by the variable interrupt_input.
|
||
dnl
|
||
dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
|
||
dnl
|
||
dnl Emacs uses the presence of the USABLE_SIGIO macro
|
||
dnl to indicate whether or not signal-driven I/O is possible. It uses
|
||
dnl INTERRUPT_INPUT to decide whether to use it by default.
|
||
dnl
|
||
dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
|
||
dnl CBREAK mode has two disadvantages
|
||
dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
|
||
dnl I hear that in system V this problem does not exist.
|
||
dnl 2) Control-G causes output to be discarded.
|
||
dnl I do not know whether this can be fixed in system V.
|
||
dnl
|
||
dnl Another method of doing input is planned but not implemented.
|
||
dnl It would have Emacs fork off a separate process
|
||
dnl to read the input and send it to the true Emacs process
|
||
dnl through a pipe.
|
||
case $opsys in
|
||
darwin | gnu-linux | gnu-kfreebsd )
|
||
AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
|
||
;;
|
||
esac
|
||
|
||
|
||
dnl If the system's imake configuration file defines 'NeedWidePrototypes'
|
||
dnl as 'NO', we must define NARROWPROTO manually. Such a define is
|
||
dnl generated in the Makefile generated by 'xmkmf'. If we don't define
|
||
dnl NARROWPROTO, we will see the wrong function prototypes for X functions
|
||
dnl taking float or double parameters.
|
||
case $opsys in
|
||
cygwin|gnu|gnu-linux|gnu-kfreebsd|freebsd|netbsd|openbsd)
|
||
AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
|
||
file defines 'NeedWidePrototypes' as 'NO'.])
|
||
;;
|
||
esac
|
||
|
||
|
||
dnl Used in process.c, this must be a loop, even if it only runs once.
|
||
AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
|
||
dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
|
||
dnl trying suffixes 0-16.
|
||
AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
|
||
first PTY, if PTYs are supported.])
|
||
AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
|
||
AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
|
||
end of a PTY, if non-standard.])
|
||
AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
|
||
end of a PTY, if non-standard.])
|
||
|
||
case $opsys in
|
||
aix4-2 )
|
||
AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
|
||
dnl You allocate a pty by opening /dev/ptc to get the master side.
|
||
dnl To get the name of the slave side, you just ttyname() the master side.
|
||
AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
|
||
AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
|
||
;;
|
||
|
||
cygwin )
|
||
AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
|
||
dnl multi-line AC_DEFINEs are hard. :(
|
||
AC_DEFINE(PTY_OPEN, [ do { int dummy; sigset_t blocked, procmask; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, &procmask); if (-1 == openpty (&fd, &dummy, pty_name, 0, 0)) fd = -1; pthread_sigmask (SIG_SETMASK, &procmask, 0); if (fd >= 0) emacs_close (dummy); } while (false)])
|
||
AC_DEFINE(PTY_NAME_SPRINTF, [])
|
||
AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
|
||
;;
|
||
|
||
gnu | qnxnto )
|
||
AC_DEFINE(FIRST_PTY_LETTER, ['p'])
|
||
;;
|
||
|
||
gnu-linux | gnu-kfreebsd | dragonfly | freebsd | openbsd | netbsd | darwin | nacl )
|
||
dnl if HAVE_GRANTPT
|
||
if test "x$ac_cv_func_grantpt" = xyes; then
|
||
AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
|
||
AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
|
||
dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
|
||
dnl to prevent sigchld_handler from intercepting the child's death.
|
||
AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptyname = 0; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); if (grantpt (fd) != -1 && unlockpt (fd) != -1) ptyname = ptsname(fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (!ptyname) { emacs_close (fd); return -1; } snprintf (pty_name, PTY_NAME_SIZE, "%s", ptyname); }])
|
||
dnl if HAVE_POSIX_OPENPT
|
||
if test "x$ac_cv_func_posix_openpt" = xyes; then
|
||
AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
|
||
AC_DEFINE(PTY_NAME_SPRINTF, [])
|
||
dnl if HAVE_GETPT
|
||
elif test "x$ac_cv_func_getpt" = xyes; then
|
||
AC_DEFINE(PTY_OPEN, [fd = getpt ()])
|
||
AC_DEFINE(PTY_NAME_SPRINTF, [])
|
||
else
|
||
AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
|
||
fi
|
||
else
|
||
AC_DEFINE(FIRST_PTY_LETTER, ['p'])
|
||
fi
|
||
;;
|
||
|
||
hpux*)
|
||
AC_DEFINE(FIRST_PTY_LETTER, ['p'])
|
||
AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
|
||
AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
|
||
;;
|
||
|
||
solaris )
|
||
dnl On SysVr4, grantpt(3) forks a subprocess, so do not use
|
||
dnl O_CLOEXEC when opening the pty, and keep the SIGCHLD handler
|
||
dnl from intercepting that death. If any child but grantpt's should die
|
||
dnl within, it should be caught after sigrelse(2).
|
||
AC_DEFINE(PTY_OPEN, [fd = open (pty_name, O_RDWR | O_NONBLOCK)])
|
||
AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); grantpt_result = grantpt (fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (grantpt_result == -1 || unlockpt (fd) == -1 || !(ptyname = ptsname (fd))) { emacs_close (fd); return -1; } snprintf (pty_name, PTY_NAME_SIZE, "%s", ptyname); }])
|
||
;;
|
||
|
||
unixware )
|
||
dnl Comments are as per solaris.
|
||
AC_DEFINE(PTY_OPEN, [fd = open (pty_name, O_RDWR | O_NONBLOCK)])
|
||
AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); grantpt_result = grantpt (fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (grantpt_result == -1) fatal("could not grant slave pty"); if (unlockpt(fd) == -1) fatal("could not unlock slave pty"); if (!(ptyname = ptsname(fd))) fatal ("could not enable slave pty"); snprintf (pty_name, PTY_NAME_SIZE, "%s", ptyname); }])
|
||
;;
|
||
esac
|
||
|
||
|
||
case $opsys in
|
||
solaris | unixware )
|
||
dnl This change means that we don't loop through allocate_pty too
|
||
dnl many times in the (rare) event of a failure.
|
||
AC_DEFINE(FIRST_PTY_LETTER, ['z'])
|
||
AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
|
||
dnl Push various streams modules onto a PTY channel. Used in process.c.
|
||
AC_DEFINE(SETUP_SLAVE_PTY, [if (ioctl (std_in, I_PUSH, "ptem") == -1) fatal ("ioctl I_PUSH ptem"); if (ioctl (std_in, I_PUSH, "ldterm") == -1) fatal ("ioctl I_PUSH ldterm"); if (ioctl (std_in, I_PUSH, "ttcompat") == -1) fatal ("ioctl I_PUSH ttcompat");], [How to set up a slave PTY, if needed.])
|
||
;;
|
||
esac
|
||
|
||
|
||
AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
|
||
"typing" a signal character on the pty.])
|
||
|
||
case $opsys in
|
||
dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
|
||
aix4-2 | cygwin | gnu | dragonfly | freebsd | netbsd | openbsd | darwin )
|
||
AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
|
||
;;
|
||
|
||
dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
|
||
dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
|
||
gnu-linux | gnu-kfreebsd )
|
||
|
||
AC_CACHE_CHECK([for signals via characters], [emacs_cv_signals_via_chars],
|
||
[AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
|
||
#include <linux/version.h>
|
||
#if LINUX_VERSION_CODE < 0x20400
|
||
# error "Linux version too old"
|
||
#endif
|
||
]], [[]])], emacs_cv_signals_via_chars=yes, emacs_cv_signals_via_chars=no)])
|
||
|
||
test "$emacs_cv_signals_via_chars" = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
|
||
;;
|
||
esac
|
||
|
||
|
||
AH_TEMPLATE(TAB3, [Undocumented.])
|
||
|
||
case $opsys in
|
||
darwin) AC_DEFINE(TAB3, OXTABS) ;;
|
||
|
||
gnu | dragonfly | freebsd | netbsd | openbsd )
|
||
AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
|
||
AC_DEFINE(TAB3, OXTABS)
|
||
;;
|
||
|
||
gnu-linux | gnu-kfreebsd )
|
||
AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
|
||
#ifndef __ia64__
|
||
# error "not ia64"
|
||
#endif
|
||
]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
|
||
[do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
|
||
[Mark a secondary stack, like the register stack on the ia64.]), [])
|
||
;;
|
||
|
||
hpux*)
|
||
AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
|
||
run_time_remap; for HPUX.])
|
||
;;
|
||
esac
|
||
|
||
|
||
dnl This won't be used automatically yet. We also need to know, at least,
|
||
dnl that the stack is continuous.
|
||
AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
|
||
registers relevant for conservative garbage collection in the jmp_buf.])
|
||
|
||
|
||
case $opsys in
|
||
dnl Not all the architectures are tested, but there are Debian packages
|
||
dnl for SCM and/or Guile on them, so the technique must work. See also
|
||
dnl comments in alloc.c concerning setjmp and gcc.
|
||
dnl Fixme: it's probably safe to just use the GCC conditional below.
|
||
gnu-linux | gnu-kfreebsd )
|
||
AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
|
||
#if defined __i386__ || defined __sparc__ || defined __mc68000__ \
|
||
|| defined __alpha__ || defined __mips__ || defined __s390__ \
|
||
|| defined __arm__ || defined __powerpc__ || defined __amd64__ \
|
||
|| defined __ia64__ || defined __sh__
|
||
/* ok */
|
||
#else
|
||
# error "setjmp not known to work on this arch"
|
||
#endif
|
||
]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
|
||
;;
|
||
esac
|
||
|
||
|
||
if test x$GCC = xyes; then
|
||
dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
|
||
AC_DEFINE(GC_SETJMP_WORKS, 1)
|
||
else
|
||
case $opsys in
|
||
aix* | dragonfly | freebsd | netbsd | openbsd | solaris )
|
||
AC_DEFINE(GC_SETJMP_WORKS, 1)
|
||
;;
|
||
esac
|
||
fi dnl GCC?
|
||
|
||
dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
|
||
AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
|
||
[AC_LINK_IFELSE(
|
||
[AC_LANG_PROGRAM(
|
||
[[#include <setjmp.h>
|
||
#ifdef __MINGW32__
|
||
# define _longjmp longjmp
|
||
#endif
|
||
]],
|
||
[[jmp_buf j;
|
||
if (! _setjmp (j))
|
||
_longjmp (j, 1);]])],
|
||
[emacs_cv_func__setjmp=yes],
|
||
[emacs_cv_func__setjmp=no])])
|
||
if test $emacs_cv_func__setjmp = yes; then
|
||
AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
|
||
fi
|
||
|
||
# We need to preserve signal mask to handle C stack overflows.
|
||
AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
|
||
[AC_LINK_IFELSE(
|
||
[AC_LANG_PROGRAM(
|
||
[[#include <setjmp.h>
|
||
]],
|
||
[[sigjmp_buf j;
|
||
if (! sigsetjmp (j, 1))
|
||
siglongjmp (j, 1);]])],
|
||
[emacs_cv_func_sigsetjmp=yes],
|
||
[emacs_cv_func_sigsetjmp=no])])
|
||
if test $emacs_cv_func_sigsetjmp = yes; then
|
||
AC_DEFINE([HAVE_SIGSETJMP], 1,
|
||
[Define to 1 if sigsetjmp and siglongjmp work.])
|
||
fi
|
||
|
||
case $emacs_cv_func_sigsetjmp,$emacs_cv_alternate_stack,$opsys in
|
||
yes,yes,* | *,*,mingw32)
|
||
AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
|
||
[Define to 1 if C stack overflow can be handled in some cases.]);;
|
||
esac
|
||
|
||
case $opsys in
|
||
solaris | unixware )
|
||
dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
|
||
dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
|
||
dnl and this is all we need.
|
||
AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
|
||
;;
|
||
esac
|
||
|
||
|
||
case $opsys in
|
||
hpux* | solaris )
|
||
dnl Used in xfaces.c.
|
||
AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
|
||
some systems, where it requires time.h.])
|
||
;;
|
||
esac
|
||
|
||
|
||
dnl Define symbols to identify the version of Unix this is.
|
||
dnl Define all the symbols that apply correctly.
|
||
AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
|
||
AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
|
||
AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
|
||
AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
|
||
|
||
case $opsys in
|
||
aix4-2)
|
||
AC_DEFINE(USG, [])
|
||
dnl This symbol should be defined on AIX Version 3 ???????
|
||
AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
|
||
#ifndef _AIX
|
||
# error "_AIX not defined"
|
||
#endif
|
||
]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
|
||
;;
|
||
|
||
cygwin)
|
||
AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
|
||
;;
|
||
|
||
darwin)
|
||
dnl Not __APPLE__, as this may not be defined on non-macOS Darwin.
|
||
dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
|
||
dnl distinguish macOS from pure Darwin.
|
||
AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
|
||
;;
|
||
|
||
gnu-linux | gnu-kfreebsd )
|
||
AC_DEFINE(USG, [])
|
||
AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
|
||
;;
|
||
|
||
hpux*)
|
||
AC_DEFINE(USG, [])
|
||
AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
|
||
;;
|
||
|
||
mingw32)
|
||
AC_DEFINE(DOS_NT, [])
|
||
AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
|
||
if test "x$ac_enable_checking" != "x" ; then
|
||
AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
|
||
fi
|
||
;;
|
||
|
||
solaris)
|
||
AC_DEFINE(USG, [])
|
||
AC_DEFINE(USG5_4, [])
|
||
AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
|
||
;;
|
||
|
||
unixware)
|
||
AC_DEFINE(USG, [])
|
||
AC_DEFINE(USG5_4, [])
|
||
;;
|
||
esac
|
||
|
||
AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
|
||
[case $opsys in
|
||
aix4-2 | nacl)
|
||
dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
|
||
emacs_cv_usable_FIONREAD=no
|
||
;;
|
||
|
||
mingw32)
|
||
emacs_cv_usable_FIONREAD=yes
|
||
;;
|
||
|
||
*)
|
||
AC_COMPILE_IFELSE(
|
||
[AC_LANG_PROGRAM([[#include <sys/types.h>
|
||
#include <sys/ioctl.h>
|
||
#ifdef USG5_4
|
||
# include <sys/filio.h>
|
||
#endif
|
||
]],
|
||
[[int foo = ioctl (0, FIONREAD, &foo);]])],
|
||
[emacs_cv_usable_FIONREAD=yes],
|
||
[emacs_cv_usable_FIONREAD=no])
|
||
;;
|
||
esac])
|
||
if test $emacs_cv_usable_FIONREAD = yes; then
|
||
AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
|
||
|
||
if test $emacs_broken_SIGIO = no; then
|
||
AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
|
||
[AC_COMPILE_IFELSE(
|
||
[AC_LANG_PROGRAM([[#include <fcntl.h>
|
||
#include <signal.h>
|
||
]],
|
||
[[int foo = SIGIO | F_SETFL | FASYNC;]])],
|
||
[emacs_cv_usable_SIGIO=yes],
|
||
[emacs_cv_usable_SIGIO=no])],
|
||
[emacs_cv_usable_SIGIO=yes],
|
||
[emacs_cv_usable_SIGIO=no])
|
||
if test $emacs_cv_usable_SIGIO = yes; then
|
||
AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
|
||
fi
|
||
fi
|
||
fi
|
||
|
||
case $opsys in
|
||
hpux11)
|
||
dnl It works to open the pty's tty in the parent (Emacs), then
|
||
dnl close and reopen it in the child.
|
||
AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
|
||
works to open a pty's tty in the parent process, then close and
|
||
reopen it in the child.])
|
||
;;
|
||
|
||
solaris)
|
||
AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
|
||
on Solaris.])
|
||
;;
|
||
esac
|
||
|
||
# Set up the CFLAGS for real compilation, so we can substitute it.
|
||
CFLAGS="$REAL_CFLAGS"
|
||
CPPFLAGS="$REAL_CPPFLAGS"
|
||
LIBS="$REAL_LIBS"
|
||
|
||
## Hack to detect a buggy GCC version.
|
||
if test "$GCC" = yes && \
|
||
$CC --version 2> /dev/null | grep 'gcc.* 4.5.0' >/dev/null; then
|
||
case $CFLAGS in
|
||
*-fno-optimize-sibling-calls*) ;;
|
||
*-O@<:@23@:>@*)
|
||
AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS.]);;
|
||
esac
|
||
fi
|
||
|
||
version=$PACKAGE_VERSION
|
||
|
||
copyright="Copyright (C) 2021 Free Software Foundation, Inc."
|
||
AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
|
||
[Short copyright string for this version of Emacs.])
|
||
AC_SUBST(copyright)
|
||
|
||
### Specify what sort of things we'll be editing into Makefile and config.h.
|
||
### Use configuration here uncanonicalized to avoid exceeding size limits.
|
||
AC_SUBST(version)
|
||
AC_SUBST(configuration)
|
||
## Unused?
|
||
AC_SUBST(canonical)
|
||
AC_SUBST(srcdir)
|
||
AC_SUBST(prefix)
|
||
AC_SUBST(exec_prefix)
|
||
AC_SUBST(bindir)
|
||
AC_SUBST(datadir)
|
||
AC_SUBST(sharedstatedir)
|
||
AC_SUBST(libexecdir)
|
||
AC_SUBST(mandir)
|
||
AC_SUBST(infodir)
|
||
AC_SUBST(lispdir)
|
||
AC_SUBST(standardlisppath)
|
||
AC_SUBST(locallisppath)
|
||
AC_SUBST(lisppath)
|
||
AC_SUBST(x_default_search_path)
|
||
AC_SUBST(etcdir)
|
||
AC_SUBST(archlibdir)
|
||
AC_SUBST(etcdocdir)
|
||
AC_SUBST(bitmapdir)
|
||
AC_SUBST(gamedir)
|
||
AC_SUBST(gameuser)
|
||
AC_SUBST(gamegroup)
|
||
## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
|
||
## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
|
||
## end of LIBX_BASE, but nothing ever set it.
|
||
AC_SUBST(LD_SWITCH_X_SITE)
|
||
AC_SUBST(C_SWITCH_X_SITE)
|
||
AC_SUBST(GNUSTEP_CFLAGS)
|
||
AC_SUBST(CFLAGS)
|
||
## Used in lwlib/Makefile.in.
|
||
AC_SUBST(X_TOOLKIT_TYPE)
|
||
AC_SUBST(ns_appdir)
|
||
AC_SUBST(ns_appbindir)
|
||
AC_SUBST(ns_appresdir)
|
||
AC_SUBST(ns_appsrc)
|
||
AC_SUBST(GNU_OBJC_CFLAGS)
|
||
AC_SUBST(OTHER_FILES)
|
||
|
||
if test -n "${term_header}"; then
|
||
AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
|
||
[Define to the header for the built-in window system.])
|
||
fi
|
||
|
||
AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
|
||
[Define to the canonical Emacs configuration name.])
|
||
AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
|
||
[Define to the options passed to configure.])
|
||
|
||
XMENU_OBJ=
|
||
XOBJ=
|
||
FONT_OBJ=
|
||
if test "${HAVE_X_WINDOWS}" = "yes" ; then
|
||
AC_DEFINE(HAVE_X_WINDOWS, 1,
|
||
[Define to 1 if you want to use the X window system.])
|
||
XMENU_OBJ=xmenu.o
|
||
XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
|
||
FONT_OBJ=xfont.o
|
||
if test "$HAVE_CAIRO" = "yes"; then
|
||
FONT_OBJ="$FONT_OBJ ftfont.o ftcrfont.o"
|
||
elif test "$HAVE_XFT" = "yes"; then
|
||
FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o"
|
||
elif test "$HAVE_FREETYPE" = "yes"; then
|
||
FONT_OBJ="$FONT_OBJ ftfont.o"
|
||
fi
|
||
fi
|
||
if test "${HAVE_HARFBUZZ}" = "yes" ; then
|
||
FONT_OBJ="$FONT_OBJ hbfont.o"
|
||
fi
|
||
AC_SUBST(FONT_OBJ)
|
||
AC_SUBST(XMENU_OBJ)
|
||
AC_SUBST(XOBJ)
|
||
AC_SUBST(FONT_OBJ)
|
||
|
||
WIDGET_OBJ=
|
||
MOTIF_LIBW=
|
||
if test "${USE_X_TOOLKIT}" != "none" ; then
|
||
WIDGET_OBJ=widget.o
|
||
AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
|
||
if test "${USE_X_TOOLKIT}" = "LUCID"; then
|
||
AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
|
||
elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
|
||
AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
|
||
MOTIF_LIBW=-lXm
|
||
case "$opsys" in
|
||
gnu-linux)
|
||
## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
|
||
MOTIF_LIBW="$MOTIF_LIBW -lXpm"
|
||
;;
|
||
|
||
unixware)
|
||
## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
|
||
## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
|
||
MOTIF_LIBW="MOTIF_LIBW -lXimp"
|
||
;;
|
||
|
||
aix4-2)
|
||
## olson@mcs.anl.gov says -li18n is needed by -lXm.
|
||
MOTIF_LIBW="$MOTIF_LIBW -li18n"
|
||
;;
|
||
esac
|
||
MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
|
||
fi
|
||
fi
|
||
AC_SUBST(WIDGET_OBJ)
|
||
|
||
TOOLKIT_LIBW=
|
||
case "$USE_X_TOOLKIT" in
|
||
MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
|
||
LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
|
||
none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
|
||
esac
|
||
if test "$HAVE_XWIDGETS" = "yes"; then
|
||
TOOLKIT_LIBW="$TOOLKIT_LIBW -lXcomposite"
|
||
fi
|
||
AC_SUBST(TOOLKIT_LIBW)
|
||
|
||
if test "${opsys}" != "mingw32"; then
|
||
if test "$USE_X_TOOLKIT" = "none"; then
|
||
LIBXT_OTHER="\$(LIBXSM)"
|
||
else
|
||
LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
|
||
fi
|
||
fi
|
||
AC_SUBST(LIBXT_OTHER)
|
||
|
||
if test "${HAVE_X11}" = "yes" ; then
|
||
AC_DEFINE(HAVE_X11, 1,
|
||
[Define to 1 if you want to use version 11 of X windows.])
|
||
LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
|
||
else
|
||
LIBX_OTHER=
|
||
fi
|
||
AC_SUBST(LIBX_OTHER)
|
||
|
||
HAVE_OLDXMENU=no
|
||
if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
|
||
LIBXMENU=
|
||
elif test "$USE_X_TOOLKIT" = none; then
|
||
HAVE_OLDXMENU=yes
|
||
LIBXMENU='$(oldXMenudir)/libXMenu11.a'
|
||
AUTODEPEND_PARENTS="$AUTODEPEND_PARENTS oldXMenu"
|
||
else
|
||
LIBXMENU='$(lwlibdir)/liblw.a'
|
||
AUTODEPEND_PARENTS="$AUTODEPEND_PARENTS lwlib"
|
||
fi
|
||
AC_SUBST(LIBXMENU)
|
||
|
||
AC_CACHE_CHECK([for struct alignment],
|
||
[emacs_cv_struct_alignment],
|
||
[AC_COMPILE_IFELSE(
|
||
[AC_LANG_PROGRAM([[#include <stddef.h>
|
||
struct s { char c; } __attribute__ ((aligned (8)));
|
||
struct t { char c; struct s s; };
|
||
char verify[offsetof (struct t, s) == 8 ? 1 : -1];
|
||
]])],
|
||
[emacs_cv_struct_alignment=yes],
|
||
[emacs_cv_struct_alignment=no])])
|
||
if test "$emacs_cv_struct_alignment" = yes; then
|
||
AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
|
||
[Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
|
||
structure to an N-byte boundary.])
|
||
fi
|
||
|
||
AC_C_TYPEOF
|
||
|
||
AC_CACHE_CHECK([for statement expressions],
|
||
[emacs_cv_statement_expressions],
|
||
[AC_COMPILE_IFELSE(
|
||
[AC_LANG_PROGRAM([], [[return ({ int x = 5; x-x; });]])],
|
||
[emacs_cv_statement_expressions=yes],
|
||
[emacs_cv_statement_expressions=no])])
|
||
if test "$emacs_cv_statement_expressions" = yes; then
|
||
AC_DEFINE([HAVE_STATEMENT_EXPRESSIONS], 1,
|
||
[Define to 1 if statement expressions work.])
|
||
fi
|
||
|
||
if test "${GNU_MALLOC}" = "yes" ; then
|
||
AC_DEFINE(GNU_MALLOC, 1,
|
||
[Define to 1 if you want to use the GNU memory allocator.])
|
||
fi
|
||
|
||
RALLOC_OBJ=
|
||
if test "${REL_ALLOC}" = "yes" ; then
|
||
AC_DEFINE(REL_ALLOC, 1,
|
||
[Define REL_ALLOC if you want to use the relocating allocator for
|
||
buffer space.])
|
||
|
||
test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
|
||
fi
|
||
AC_SUBST(RALLOC_OBJ)
|
||
|
||
if test "$opsys" = "cygwin"; then
|
||
CYGWIN_OBJ="cygw32.o"
|
||
## Cygwin differs because of its unexec().
|
||
PRE_ALLOC_OBJ=
|
||
POST_ALLOC_OBJ=lastfile.o
|
||
elif test "$opsys" = "mingw32"; then
|
||
CYGWIN_OBJ=
|
||
PRE_ALLOC_OBJ=
|
||
POST_ALLOC_OBJ=lastfile.o
|
||
else
|
||
CYGWIN_OBJ=
|
||
PRE_ALLOC_OBJ=lastfile.o
|
||
POST_ALLOC_OBJ=
|
||
fi
|
||
AC_SUBST(CYGWIN_OBJ)
|
||
AC_SUBST(PRE_ALLOC_OBJ)
|
||
AC_SUBST(POST_ALLOC_OBJ)
|
||
|
||
dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
|
||
dnl verbatim defined above. The tricky name is apropos, as this hack
|
||
dnl makes Fortify go sour!
|
||
AH_VERBATIM([FORTIFY_SOUR],
|
||
[/* Without the following workaround, Emacs runs slowly on OS X 10.8.
|
||
The workaround disables some useful run-time checking, so it
|
||
should be conditional to the platforms with the performance bug.
|
||
Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
|
||
#if defined __APPLE__ && defined __GNUC__
|
||
# ifndef _DONT_USE_CTYPE_INLINE_
|
||
# define _DONT_USE_CTYPE_INLINE_
|
||
# endif
|
||
# ifndef _FORTIFY_SOURCE
|
||
# define _FORTIFY_SOURCE 0
|
||
# endif
|
||
#endif
|
||
])
|
||
|
||
# If user asks to omit features, disable optional features that gnulib
|
||
# might otherwise enable.
|
||
if test "$with_features" = no && test "$enable_acl" != yes; then
|
||
enable_acl=no
|
||
fi
|
||
|
||
# Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
|
||
# it temporarily reverts them to their pre-pkg-config values,
|
||
# because gnulib needs to work with both src (which uses the
|
||
# pkg-config stuff) and lib-src (which does not). For example, gnulib
|
||
# may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
|
||
# and it therefore needs to run in an environment where LIBS does not
|
||
# already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
|
||
# for some package unrelated to lib-src.
|
||
SAVE_CFLAGS=$CFLAGS
|
||
SAVE_LIBS=$LIBS
|
||
CFLAGS=$pre_PKG_CONFIG_CFLAGS
|
||
LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
|
||
gl_ASSERT_NO_GNULIB_POSIXCHECK
|
||
gl_ASSERT_NO_GNULIB_TESTS
|
||
gl_INIT
|
||
CFLAGS=$SAVE_CFLAGS
|
||
LIBS=$SAVE_LIBS
|
||
|
||
if test "${opsys}" = "mingw32"; then
|
||
CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
|
||
# Remove unneeded switches from the value of CC that goes to Makefiles
|
||
CC=`AS_ECHO(["$CC"]) | sed -e "s,$GCC_TEST_OPTIONS,,"`
|
||
fi
|
||
|
||
case "$opsys" in
|
||
aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
|
||
|
||
cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
|
||
|
||
darwin)
|
||
if test "$HAVE_NS" = "yes"; then
|
||
libs_nsgui="-framework AppKit"
|
||
if test "$NS_IMPL_COCOA" = "yes"; then
|
||
libs_nsgui="$libs_nsgui -framework IOKit -framework Carbon -framework IOSurface"
|
||
fi
|
||
else
|
||
libs_nsgui=
|
||
fi
|
||
LD_SWITCH_SYSTEM_TEMACS=$libs_nsgui
|
||
## The -headerpad option tells ld (see man page) to leave room at the
|
||
## end of the header for adding load commands. Needed for dumping.
|
||
## 0x1000 is enough for roughly 52 load commands on the x86_64
|
||
## architecture (where they are 78 bytes each). The actual number of
|
||
## load commands added is not consistent but normally ranges from
|
||
## about 14 to about 34. Setting it high gets us plenty of slop and
|
||
## only costs about 1.5K of wasted binary space.
|
||
headerpad_extra=1000
|
||
if test "$with_unexec" = yes; then
|
||
LD_SWITCH_SYSTEM_TEMACS="-fno-pie $LD_SWITCH_SYSTEM_TEMACS -Xlinker -headerpad -Xlinker $headerpad_extra"
|
||
fi
|
||
|
||
## This is here because src/Makefile.in did some extra fiddling around
|
||
## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
|
||
## LD_SWITCH_SYSTEM_TEMACS instead,
|
||
test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
|
||
LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
|
||
;;
|
||
|
||
## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
|
||
## find X at run-time.
|
||
## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
|
||
## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
|
||
## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
|
||
## had different values in configure (in ac_link) and src/Makefile.in.
|
||
## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
|
||
gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
|
||
|
||
mingw32)
|
||
## Is it any better under MinGW64 to relocate emacs into higher addresses?
|
||
case "$canonical" in
|
||
x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
|
||
*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
|
||
esac
|
||
;;
|
||
|
||
*) LD_SWITCH_SYSTEM_TEMACS= ;;
|
||
esac
|
||
|
||
# -no-pie or -nopie fixes a temacs segfault on Gentoo, OpenBSD,
|
||
# Ubuntu, and other systems with "hardened" GCC configurations for
|
||
# some reason (Bug#18784). We don't know why this works, but not
|
||
# segfaulting is better than segfaulting. Use ac_c_werror_flag=yes
|
||
# when trying the option, otherwise clang keeps warning that it does
|
||
# not understand it, and pre-4.6 GCC has a similar problem
|
||
# (Bug#20338). Prefer -no-pie to -nopie, as -no-pie is the
|
||
# spelling used by GCC 6.1.0 and later (Bug#24682).
|
||
AC_CACHE_CHECK(
|
||
[for $CC option to disable position independent executables],
|
||
[emacs_cv_prog_cc_no_pie],
|
||
[if test $with_unexec = no; then
|
||
emacs_cv_prog_cc_no_pie='not needed'
|
||
else
|
||
emacs_save_c_werror_flag=$ac_c_werror_flag
|
||
emacs_save_LDFLAGS=$LDFLAGS
|
||
ac_c_werror_flag=yes
|
||
for emacs_cv_prog_cc_no_pie in -no-pie -nopie no; do
|
||
test $emacs_cv_prog_cc_no_pie = no && break
|
||
LDFLAGS="$emacs_save_LDFLAGS $emacs_cv_prog_cc_no_pie"
|
||
AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [break])
|
||
done
|
||
ac_c_werror_flag=$emacs_save_c_werror_flag
|
||
LDFLAGS=$emacs_save_LDFLAGS
|
||
fi])
|
||
case $emacs_cv_prog_cc_no_pie in
|
||
-*)
|
||
LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS $emacs_cv_prog_cc_no_pie"
|
||
;;
|
||
esac
|
||
|
||
if test x$ac_enable_profiling != x ; then
|
||
case $opsys in
|
||
*freebsd | gnu-linux) ;;
|
||
*) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
|
||
esac
|
||
fi
|
||
|
||
LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
|
||
|
||
AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
|
||
|
||
## Common for all window systems
|
||
if test "$window_system" != "none"; then
|
||
AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
|
||
AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
|
||
WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
|
||
fi
|
||
|
||
AC_SUBST(WINDOW_SYSTEM_OBJ)
|
||
|
||
AH_TOP([/* GNU Emacs site configuration template file.
|
||
|
||
Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2021
|
||
Free Software Foundation, Inc.
|
||
|
||
This file is part of GNU Emacs.
|
||
|
||
GNU Emacs is free software: you can redistribute it and/or modify
|
||
it under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation, either version 3 of the License, or (at
|
||
your option) any later version.
|
||
|
||
GNU Emacs is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
GNU General Public License for more details.
|
||
|
||
You should have received a copy of the GNU General Public License
|
||
along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
|
||
|
||
|
||
/* No code in Emacs #includes config.h twice, but some bits of code
|
||
intended to work with other packages as well (like gmalloc.c)
|
||
think they can include it as many times as they like. */
|
||
#ifndef EMACS_CONFIG_H
|
||
#define EMACS_CONFIG_H
|
||
])dnl
|
||
|
||
AH_BOTTOM([#include <conf_post.h>
|
||
|
||
#endif /* EMACS_CONFIG_H */
|
||
|
||
/*
|
||
Local Variables:
|
||
mode: c
|
||
End:
|
||
*/
|
||
])dnl
|
||
|
||
#### Report on what we decided to do.
|
||
#### Report GTK as a toolkit, even if it doesn't use Xt.
|
||
#### It makes printing result more understandable as using GTK sets
|
||
#### toolkit_scroll_bars to yes by default.
|
||
if test "${HAVE_GTK}" = "yes"; then
|
||
USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
|
||
fi
|
||
|
||
if test $USE_ACL -ne 0; then
|
||
ACL_SUMMARY="yes $LIB_ACL"
|
||
else
|
||
ACL_SUMMARY=no
|
||
fi
|
||
|
||
if test -z "$GMP_H"; then
|
||
HAVE_GMP=yes
|
||
else
|
||
HAVE_GMP=no
|
||
fi
|
||
|
||
emacs_standard_dirs='Standard dirs'
|
||
AS_ECHO(["
|
||
Configured for '${canonical}'.
|
||
|
||
Where should the build process find the source code? ${srcdir}
|
||
What compiler should emacs be built with? ${CC} ${CFLAGS}
|
||
Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
|
||
Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
|
||
Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
|
||
What window system should Emacs use? ${window_system}
|
||
What toolkit should Emacs use? ${USE_X_TOOLKIT}
|
||
Where do we find X Windows header files? ${x_includes:-$emacs_standard_dirs}
|
||
Where do we find X Windows libraries? ${x_libraries:-$emacs_standard_dirs}"])
|
||
|
||
#### Please respect alphabetical ordering when making additions.
|
||
optsep=
|
||
emacs_config_features=
|
||
for opt in ACL CAIRO DBUS FREETYPE GCONF GIF GLIB GMP GNUTLS GPM GSETTINGS \
|
||
HARFBUZZ IMAGEMAGICK JPEG JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 \
|
||
M17N_FLT MODULES NOTIFY NS OLDXMENU PDUMPER PNG RSVG SOUND THREADS TIFF \
|
||
TOOLKIT_SCROLL_BARS UNEXEC X11 XAW3D XDBE XFT XIM XPM XWIDGETS X_TOOLKIT \
|
||
ZLIB; do
|
||
|
||
case $opt in
|
||
PDUMPER) val=${with_pdumper} ;;
|
||
UNEXEC) val=${with_unexec} ;;
|
||
GLIB) val=${emacs_cv_links_glib} ;;
|
||
NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
|
||
TOOLKIT_SCROLL_BARS|X_TOOLKIT) eval val=\${USE_$opt} ;;
|
||
THREADS) val=${threads_enabled} ;;
|
||
*) eval val=\${HAVE_$opt} ;;
|
||
esac
|
||
case x$val in
|
||
xno|xnone|x) continue ;;
|
||
esac
|
||
case $opt in
|
||
X_TOOLKIT)
|
||
case $val in
|
||
GTK*|LUCID|MOTIF) opt=$val ;;
|
||
*) continue ;;
|
||
esac
|
||
;;
|
||
NOTIFY)
|
||
case $val in
|
||
*lkqueue*) opt="$opt LIBKQUEUE" ;;
|
||
*kqueue*) opt="$opt KQUEUE" ;;
|
||
*inotify*) opt="$opt INOTIFY" ;;
|
||
*gfile*) opt="$opt GFILENOTIFY" ;;
|
||
*w32*) opt="$opt W32NOTIFY" ;;
|
||
esac
|
||
;;
|
||
esac
|
||
AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
|
||
optsep=' '
|
||
done
|
||
AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
|
||
[Summary of some of the main features enabled by configure.])
|
||
|
||
AS_ECHO([" Does Emacs use -lXaw3d? ${HAVE_XAW3D}
|
||
Does Emacs use -lXpm? ${HAVE_XPM}
|
||
Does Emacs use -ljpeg? ${HAVE_JPEG}
|
||
Does Emacs use -ltiff? ${HAVE_TIFF}
|
||
Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF
|
||
Does Emacs use a png library? ${HAVE_PNG} $LIBPNG
|
||
Does Emacs use -lrsvg-2? ${HAVE_RSVG}
|
||
Does Emacs use cairo? ${HAVE_CAIRO}
|
||
Does Emacs use -llcms2? ${HAVE_LCMS2}
|
||
Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}
|
||
Does Emacs use native APIs for images? ${NATIVE_IMAGE_API}
|
||
Does Emacs support sound? ${HAVE_SOUND}
|
||
Does Emacs use -lgpm? ${HAVE_GPM}
|
||
Does Emacs use -ldbus? ${HAVE_DBUS}
|
||
Does Emacs use -lgconf? ${HAVE_GCONF}
|
||
Does Emacs use GSettings? ${HAVE_GSETTINGS}
|
||
Does Emacs use a file notification library? ${NOTIFY_SUMMARY}
|
||
Does Emacs use access control lists? ${ACL_SUMMARY}
|
||
Does Emacs use -lselinux? ${HAVE_LIBSELINUX}
|
||
Does Emacs use -lgnutls? ${HAVE_GNUTLS}
|
||
Does Emacs use -lxml2? ${HAVE_LIBXML2}
|
||
Does Emacs use -lfreetype? ${HAVE_FREETYPE}
|
||
Does Emacs use HarfBuzz? ${HAVE_HARFBUZZ}
|
||
Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}
|
||
Does Emacs use -lotf? ${HAVE_LIBOTF}
|
||
Does Emacs use -lxft? ${HAVE_XFT}
|
||
Does Emacs use -lsystemd? ${HAVE_LIBSYSTEMD}
|
||
Does Emacs use -ljansson? ${HAVE_JSON}
|
||
Does Emacs use the GMP library? ${HAVE_GMP}
|
||
Does Emacs directly use zlib? ${HAVE_ZLIB}
|
||
Does Emacs have dynamic modules support? ${HAVE_MODULES}
|
||
Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}
|
||
Does Emacs support Xwidgets? ${HAVE_XWIDGETS}
|
||
Does Emacs have threading support in lisp? ${threads_enabled}
|
||
Does Emacs support the portable dumper? ${with_pdumper}
|
||
Does Emacs support legacy unexec dumping? ${with_unexec}
|
||
Which dumping strategy does Emacs use? ${with_dumping}
|
||
"])
|
||
|
||
if test -n "${EMACSDATA}"; then
|
||
AS_ECHO([" Environment variable EMACSDATA set to: $EMACSDATA"])
|
||
fi
|
||
if test -n "${EMACSDOC}"; then
|
||
AS_ECHO([" Environment variable EMACSDOC set to: $EMACSDOC"])
|
||
fi
|
||
|
||
echo
|
||
|
||
if test "$HAVE_NS" = "yes"; then
|
||
echo
|
||
AS_ECHO(["Run '${MAKE-make}' to build Emacs, then run 'src/emacs' to test it.
|
||
Run '${MAKE-make} install' in order to build an application bundle.
|
||
The application will go to nextstep/Emacs.app and can be run or moved
|
||
from there."])
|
||
if test "$EN_NS_SELF_CONTAINED" = "yes"; then
|
||
echo "The application will be fully self-contained."
|
||
else
|
||
AS_ECHO(["The lisp resources for the application will be installed under ${prefix}.
|
||
You may need to run \"${MAKE-make} install\" with sudo. The application will fail
|
||
to run if these resources are not installed."])
|
||
fi
|
||
echo
|
||
fi
|
||
|
||
case $opsys,$emacs_uname_r in
|
||
cygwin,1.5.*)
|
||
AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
|
||
echo
|
||
;;
|
||
cygwin,3.0.[[0-7]]'('* | cygwin,3.1.[[0-2]]'('*)
|
||
AC_DEFINE([HAVE_CYGWIN_O_PATH_BUG], 1,
|
||
[Define to 1 if opening a FIFO, socket, or symlink with O_PATH is buggy.]);;
|
||
esac
|
||
|
||
# Remove any trailing slashes in these variables.
|
||
case $prefix in
|
||
*/) prefix=`AS_DIRNAME(["$prefix."])`;;
|
||
esac
|
||
case $exec_prefix in
|
||
*/) exec_prefix=`AS_DIRNAME(["$exec_prefix."])`;;
|
||
esac
|
||
|
||
if test "$HAVE_NS" = "yes"; then
|
||
if test "$NS_IMPL_GNUSTEP" = yes; then
|
||
AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
|
||
nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
|
||
ns_check_file=Resources/Info-gnustep.plist
|
||
else
|
||
AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
|
||
nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
|
||
ns_check_file=Contents/Info.plist
|
||
fi
|
||
AC_SUBST(ns_check_file)
|
||
fi
|
||
|
||
AC_CONFIG_FILES([Makefile lib/gnulib.mk])
|
||
|
||
dnl config.status treats $srcdir specially, so I think this is ok...
|
||
AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
|
||
|
||
m4_define([subdir_makefiles],
|
||
[lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile])
|
||
SUBDIR_MAKEFILES="subdir_makefiles"
|
||
AC_CONFIG_FILES(subdir_makefiles)
|
||
|
||
dnl The test/ directory is missing if './make-dist --no-tests' was used.
|
||
opt_makefile=test/Makefile
|
||
if test -f "$srcdir/$opt_makefile.in"; then
|
||
SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
|
||
dnl Again, it's best not to use a variable. Though you can add
|
||
dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
|
||
AC_CONFIG_FILES([test/Makefile])
|
||
fi
|
||
|
||
|
||
dnl The admin/ directory used to be excluded from tarfiles.
|
||
if test -d $srcdir/admin; then
|
||
SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/charsets/Makefile admin/unidata/Makefile admin/grammars/Makefile"
|
||
AC_CONFIG_FILES([admin/charsets/Makefile])
|
||
AC_CONFIG_FILES([admin/unidata/Makefile])
|
||
AC_CONFIG_FILES([admin/grammars/Makefile])
|
||
fi dnl -d admin
|
||
|
||
|
||
SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
|
||
|
||
AC_SUBST(SUBDIR_MAKEFILES_IN)
|
||
|
||
dnl You might wonder (I did) why epaths.h is generated by running make,
|
||
dnl rather than just letting configure generate it from epaths.in.
|
||
dnl One reason is that the various paths are not fully expanded (see above);
|
||
dnl e.g., gamedir='${localstatedir}/games/emacs'.
|
||
dnl Secondly, the GNU Coding standards require that one should be able
|
||
dnl to run 'make prefix=/some/where/else' and override the values set
|
||
dnl by configure. This also explains the 'move-if-change' test and
|
||
dnl the use of force in the 'epaths-force' rule in Makefile.in.
|
||
AC_CONFIG_COMMANDS([src/epaths.h], [
|
||
if test "${opsys}" = "mingw32"; then
|
||
${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
|
||
else
|
||
${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
|
||
fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
|
||
], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
|
||
|
||
dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
|
||
dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
|
||
dnl or a symlink?
|
||
AC_CONFIG_COMMANDS([src/.gdbinit], [
|
||
if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
|
||
AS_ECHO(["source $ac_abs_top_srcdir/src/.gdbinit"]) > src/.gdbinit
|
||
fi
|
||
])
|
||
|
||
dnl Perhaps this would be better named doc-emacs-emacsver.texi?
|
||
dnl See comments for etc-refcards-emacsver.tex.
|
||
dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
|
||
dnl it is not quite the same. But we are generating in $srcdir.
|
||
AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
|
||
${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
|
||
AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
|
||
])
|
||
|
||
dnl If we give this the more natural name, etc/refcards/emacsver.texi,
|
||
dnl then a directory etc/refcards is created in the build directory,
|
||
dnl which is probably harmless, but confusing (in out-of-tree builds).
|
||
dnl (If we were to generate etc/refcards/Makefile, this might change.)
|
||
dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
|
||
AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
|
||
${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
|
||
AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
|
||
])
|
||
|
||
if test $AUTO_DEPEND = yes; then
|
||
for dir in $AUTODEPEND_PARENTS; do
|
||
AS_MKDIR_P([$dir/deps])
|
||
done
|
||
fi
|
||
if $gl_gnulib_enabled_dynarray || $gl_gnulib_enabled_scratch_buffer; then
|
||
AS_MKDIR_P([lib/malloc])
|
||
if test $AUTO_DEPEND = yes; then
|
||
AS_MKDIR_P([lib/deps/malloc])
|
||
fi
|
||
fi
|
||
|
||
AC_OUTPUT
|
||
|
||
if test ! "$with_mailutils"; then
|
||
if test "$with_pop" = yes; then
|
||
AC_MSG_WARN([This configuration installs a 'movemail' program
|
||
that retrieves POP3 email via only insecure channels.
|
||
To omit insecure POP3, you can use '$0 --without-pop'.])
|
||
elif test "$with_pop" = no-by-default; then
|
||
AC_MSG_WARN([This configuration installs a 'movemail' program
|
||
that does not retrieve POP3 email. By default, Emacs 25 and earlier
|
||
installed a 'movemail' program that retrieved POP3 email via only
|
||
insecure channels, a practice that is no longer recommended but that
|
||
you can continue to support by using '$0 --with-pop'.])
|
||
fi
|
||
|
||
case $opsys in
|
||
mingw32)
|
||
# Don't suggest GNU Mailutils, as it hasn't been ported.
|
||
;;
|
||
*)
|
||
emacs_fix_movemail="use '$0 --with-mailutils'"
|
||
case `(movemail --version) 2>/dev/null` in
|
||
*Mailutils*) ;;
|
||
*) emacs_fix_movemail="install GNU Mailutils
|
||
<https://mailutils.org> and $emacs_fix_movemail";;
|
||
esac
|
||
AC_MSG_NOTICE([You might want to $emacs_fix_movemail.]);;
|
||
esac
|
||
fi
|
||
|
||
if test "${HAVE_XFT}" = yes; then
|
||
AC_MSG_WARN([This configuration uses libXft, which has a number of
|
||
font rendering issues, and is being considered for removal in the
|
||
next release of Emacs. Please consider using Cairo graphics +
|
||
HarfBuzz text shaping instead (they are auto-detected if the
|
||
relevant development headers are installed).])
|
||
fi
|
||
|
||
if test "${HAVE_CAIRO}" = "yes" && test "${HAVE_HARFBUZZ}" = no; then
|
||
AC_MSG_WARN([This configuration uses the Cairo graphics library,
|
||
but not the HarfBuzz font shaping library (minimum version $harfbuzz_required_ver).
|
||
We recommend the use of HarfBuzz when using Cairo, please install
|
||
appropriate HarfBuzz development packages.])
|
||
fi
|
||
|
||
# Let plain 'make' work.
|
||
test "$MAKE" = make || test -f makefile || cat >makefile <<EOF
|
||
.POSIX:
|
||
MAKE = $MAKE
|
||
all:
|
||
\$(MAKE) -f Makefile \$?
|
||
.DEFAULT:
|
||
\$(MAKE) -f Makefile \$<
|
||
EOF
|