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freebsd/contrib/groff/aclocal.m4
Ruslan Ermilov 22e7cbb874 Virgin import of FSF groff v1.19.2
2005-10-20 10:45:19 +00:00

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# Autoconf macros for groff.
# Copyright (C) 1989-1995, 2001, 2002, 2003, 2004, 2005
# Free Software Foundation, Inc.
#
# This file is part of groff.
#
# groff 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 2, or (at your option) any later
# version.
#
# groff 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 groff; see the file COPYING. If not, write to the Free Software
# Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA.
AC_DEFUN([GROFF_PRINT],
[if test -z "$PSPRINT"; then
AC_CHECK_PROGS([LPR], [lpr])
AC_CHECK_PROGS([LP], [lp])
if test -n "$LPR" && test -n "$LP"; then
# HP-UX provides an lpr command that emulates lpr using lp,
# but it doesn't have lpq; in this case we want to use lp
# rather than lpr.
AC_CHECK_PROGS([LPQ], [lpq])
test -n "$LPQ" || LPR=
fi
if test -n "$LPR"; then
PSPRINT="$LPR"
elif test -n "$LP"; then
PSPRINT="$LP"
fi
fi
AC_SUBST([PSPRINT])
AC_MSG_CHECKING([for command to use for printing PostScript files])
AC_MSG_RESULT([$PSPRINT])
# Figure out DVIPRINT from PSPRINT.
AC_MSG_CHECKING([for command to use for printing dvi files])
if test -n "$PSPRINT" && test -z "$DVIPRINT"; then
if test "x$PSPRINT" = "xlpr"; then
DVIPRINT="lpr -d"
else
DVIPRINT="$PSPRINT"
fi
fi
AC_SUBST([DVIPRINT])
AC_MSG_RESULT([$DVIPRINT])])
# Bison generated parsers have problems with C++ compilers other than g++.
# So byacc is preferred over bison.
AC_DEFUN([GROFF_PROG_YACC],
[AC_CHECK_PROGS([YACC], [byacc 'bison -y'], [yacc])])
# The following programs are needed for grohtml.
AC_DEFUN([GROFF_HTML_PROGRAMS],
[AC_REQUIRE([GROFF_GHOSTSCRIPT_PATH])
make_html=html
make_install_html=install_html
missing=
AC_FOREACH([groff_prog],
[pnmcut pnmcrop pnmtopng psselect pnmtops],
[AC_CHECK_PROG(groff_prog, groff_prog, [found], [missing])
if test $[]groff_prog = missing; then
missing="$missing \`groff_prog'"
fi;])
test "$GHOSTSCRIPT" = "missing" && missing="$missing \`gs'"
if test -n "$missing"; then
plural=`set $missing; test $[#] -gt 1 && echo s`
missing=`set $missing
missing=""
while test $[#] -gt 0
do
case $[#] in
1) missing="$missing$[1]" ;;
2) missing="$missing$[1] and " ;;
*) missing="$missing$[1], " ;;
esac
shift
done
echo $missing`
make_html=
make_install_html=
AC_MSG_WARN([missing program$plural:
The program$plural
$missing
cannot be found in the PATH.
Consequently, groff's HTML backend (grohtml) will not work properly;
therefore, it will neither be possible to prepare, nor to install,
documentation in HTML format.
])
fi
AC_SUBST([make_html])
AC_SUBST([make_install_html])])
# To produce PDF docs, we need both awk and ghostscript.
AC_DEFUN([GROFF_PDFDOC_PROGRAMS],
[AC_REQUIRE([GROFF_AWK_PATH])
AC_REQUIRE([GROFF_GHOSTSCRIPT_PATH])
make_pdfdoc=pdfdoc
make_install_pdfdoc=install_pdfdoc
missing=""
test "$AWK" = missing && missing="\`awk'"
test "$GHOSTSCRIPT" = missing && missing="$missing \`gs'"
if test -n "$missing"; then
plural=`set $missing; test $[#] -eq 2 && echo s`
test x$plural = xs \
&& missing=`set $missing; echo "$[1] and $[2]"` \
|| missing=`echo $missing`
make_pdfdoc=
make_install_pdfdoc=
AC_MSG_WARN([missing program$plural:
The program$plural $missing cannot be found in the PATH.
Consequently, groff's PDF formatter (pdfroff) will not work properly;
therefore, it will neither be possible to prepare, nor to install,
documentation in PDF format.
])
fi
AC_SUBST([make_pdfdoc])
AC_SUBST([make_install_pdfdoc])])
# Check whether pnmtops can handle the -nosetpage option.
AC_DEFUN([GROFF_PNMTOPS_NOSETPAGE],
[AC_MSG_CHECKING([whether pnmtops can handle the -nosetpage option])
if echo P2 2 2 255 0 1 2 0 | pnmtops -nosetpage > /dev/null 2>&1 ; then
AC_MSG_RESULT([yes])
pnmtops_nosetpage="pnmtops -nosetpage"
else
AC_MSG_RESULT([no])
pnmtops_nosetpage="pnmtops"
fi
AC_SUBST([pnmtops_nosetpage])])
# Check location of `gs'; allow `--with-gs=PROG' option to override.
AC_DEFUN([GROFF_GHOSTSCRIPT_PATH],
[AC_REQUIRE([GROFF_GHOSTSCRIPT_PREFS])
AC_ARG_WITH([gs],
[AS_HELP_STRING([--with-gs=PROG],
[actual [/path/]name of ghostscript executable])],
[GHOSTSCRIPT=$withval],
[AC_CHECK_TOOLS(GHOSTSCRIPT, [$ALT_GHOSTSCRIPT_PROGS], [missing])])
test "$GHOSTSCRIPT" = "no" && GHOSTSCRIPT=missing])
# Preferences for choice of `gs' program...
# (allow --with-alt-gs="LIST" to override).
AC_DEFUN([GROFF_GHOSTSCRIPT_PREFS],
[AC_ARG_WITH([alt-gs],
[AS_HELP_STRING([--with-alt-gs=LIST],
[alternative names for ghostscript executable])],
[ALT_GHOSTSCRIPT_PROGS="$withval"],
[ALT_GHOSTSCRIPT_PROGS="gs gswin32c gsos2"])
AC_SUBST([ALT_GHOSTSCRIPT_PROGS])])
# Check location of `awk'; allow `--with-awk=PROG' option to override.
AC_DEFUN([GROFF_AWK_PATH],
[AC_REQUIRE([GROFF_AWK_PREFS])
AC_ARG_WITH([awk],
[AS_HELP_STRING([--with-awk=PROG],
[actual [/path/]name of awk executable])],
[AWK=$withval],
[AC_CHECK_TOOLS(AWK, [$ALT_AWK_PROGS], [missing])])
test "$AWK" = "no" && AWK=missing])
# Preferences for choice of `awk' program; allow --with-alt-awk="LIST"
# to override.
AC_DEFUN([GROFF_AWK_PREFS],
[AC_ARG_WITH([alt-awk],
[AS_HELP_STRING([--with-alt-awk=LIST],
[alternative names for awk executable])],
[ALT_AWK_PROGS="$withval"],
[ALT_AWK_PROGS="gawk mawk nawk awk"])
AC_SUBST([ALT_AWK_PROGS])])
# GROFF_CSH_HACK(if hack present, if not present)
AC_DEFUN([GROFF_CSH_HACK],
[AC_MSG_CHECKING([for csh hash hack])
cat <<EOF >conftest.sh
#! /bin/sh
true || exit 0
export PATH || exit 0
exit 1
EOF
chmod +x conftest.sh
if echo ./conftest.sh | (csh >/dev/null 2>&1) >/dev/null 2>&1; then
AC_MSG_RESULT([yes])
$1
else
AC_MSG_RESULT([no])
$2
fi
rm -f conftest.sh])
# From udodo!hans@relay.NL.net (Hans Zuidam)
AC_DEFUN([GROFF_ISC_SYSV3],
[AC_MSG_CHECKING([for ISC 3.x or 4.x])
if grep ['[34]\.'] /usr/options/cb.name >/dev/null 2>&1
then
AC_MSG_RESULT([yes])
AC_DEFINE([_SYSV3], [1], [Define if you have ISC 3.x or 4.x.])
else
AC_MSG_RESULT([no])
fi])
AC_DEFUN([GROFF_POSIX],
[AC_MSG_CHECKING([whether -D_POSIX_SOURCE is necessary])
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#include <stdio.h>
extern "C" { void fileno(int); }
]])
],
[AC_MSG_RESULT([yes])
AC_DEFINE([_POSIX_SOURCE], [1],
[Define if -D_POSIX_SOURCE is necessary.])],
[AC_MSG_RESULT([no])])
AC_LANG_POP([C++])])
# srand() of SunOS 4.1.3 has return type int instead of void
AC_DEFUN([GROFF_SRAND],
[AC_LANG_PUSH([C++])
AC_MSG_CHECKING([for return type of srand])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#include <stdlib.h>
extern "C" { void srand(unsigned int); }
]])
],
[AC_MSG_RESULT([void])
AC_DEFINE([RET_TYPE_SRAND_IS_VOID], [1],
[Define if srand() returns void not int.])],
[AC_MSG_RESULT([int])])
AC_LANG_POP([C++])])
# In April 2005, autoconf's AC_TYPE_SIGNAL is still broken.
AC_DEFUN([GROFF_TYPE_SIGNAL],
[AC_MSG_CHECKING([for return type of signal handlers])
for groff_declaration in \
'extern "C" void (*signal (int, void (*)(int)))(int);' \
'extern "C" void (*signal (int, void (*)(int)) throw ())(int);' \
'void (*signal ()) ();'
do
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <signal.h>
#ifdef signal
# undef signal
#endif
$groff_declaration
]],
[[
int i;
]])
],
[break],
[continue])
done
if test -n "$groff_declaration"; then
AC_MSG_RESULT([void])
AC_DEFINE([RETSIGTYPE], [void],
[Define as the return type of signal handlers
(`int' or `void').])
else
AC_MSG_RESULT([int])
AC_DEFINE([RETSIGTYPE], [int],
[Define as the return type of signal handlers
(`int' or `void').])
fi])
AC_DEFUN([GROFF_SYS_NERR],
[AC_LANG_PUSH([C++])
AC_MSG_CHECKING([for sys_nerr in <errno.h>, <stdio.h>, or <stdlib.h>])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
]],
[[
int k;
k = sys_nerr;
]])
],
[AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_SYS_NERR], [1],
[Define if you have sys_nerr in <errno.h>, <stdio.h>, or <stdio.h>.])],
[AC_MSG_RESULT([no])])
AC_LANG_POP([C++])])
AC_DEFUN([GROFF_SYS_ERRLIST],
[AC_MSG_CHECKING([for sys_errlist[] in <errno.h>, <stdio.h>, or <stdlib.h>])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
]],
[[
int k;
k = (int)sys_errlist[0];
]])
],
[AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_SYS_ERRLIST], [1],
[Define if you have sys_errlist in <errno.h>, <stdio.h>, or <stdlib.h>.])],
[AC_MSG_RESULT([no])])])
AC_DEFUN([GROFF_OSFCN_H],
[AC_LANG_PUSH([C++])
AC_MSG_CHECKING([C++ <osfcn.h>])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#include <osfcn.h>
]],
[[
read(0, 0, 0);
open(0, 0);
]])
],
[AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_CC_OSFCN_H], [1],
[Define if you have a C++ <osfcn.h>.])],
[AC_MSG_RESULT([no])])
AC_LANG_POP([C++])])
AC_DEFUN([GROFF_LIMITS_H],
[AC_LANG_PUSH([C++])
AC_MSG_CHECKING([C++ <limits.h>])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#include <limits.h>
]],
[[
int x = INT_MIN;
int y = INT_MAX;
int z = UCHAR_MAX;
]])
],
[AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_CC_LIMITS_H], [1],
[Define if you have a C++ <limits.h>.])],
[AC_MSG_RESULT([no])])
AC_LANG_POP([C++])])
AC_DEFUN([GROFF_TIME_T],
[AC_LANG_PUSH([C++])
AC_MSG_CHECKING([for declaration of time_t])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#include <time.h>
]],
[[
time_t t = time(0);
struct tm *p = localtime(&t);
]])
],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_DEFINE([LONG_FOR_TIME_T], [1],
[Define if localtime() takes a long * not a time_t *.])])
AC_LANG_POP([C++])])
AC_DEFUN([GROFF_STRUCT_EXCEPTION],
[AC_MSG_CHECKING([struct exception])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#include <math.h>
]],
[[
struct exception e;
]])
],
[AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_STRUCT_EXCEPTION], [1],
[Define if <math.h> defines struct exception.])],
[AC_MSG_RESULT([no])])])
AC_DEFUN([GROFF_ARRAY_DELETE],
[AC_LANG_PUSH([C++])
AC_MSG_CHECKING([whether ANSI array delete syntax is supported])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM(, [[
char *p = new char[5];
delete [] p;
]])
],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_DEFINE([ARRAY_DELETE_NEEDS_SIZE], [1],
[Define if your C++ doesn't understand `delete []'.])])
AC_LANG_POP([C++])])
AC_DEFUN([GROFF_TRADITIONAL_CPP],
[AC_LANG_PUSH([C++])
AC_MSG_CHECKING([traditional preprocessor])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#define name2(a, b) a/**/b
]],
[[
int name2(foo, bar);
]])
],
[AC_MSG_RESULT([yes])
AC_DEFINE([TRADITIONAL_CPP], [1],
[Define if your C++ compiler uses a traditional (Reiser) preprocessor.])],
[AC_MSG_RESULT([no])])
AC_LANG_POP([C++])])
AC_DEFUN([GROFF_WCOREFLAG],
[AC_MSG_CHECKING([w_coredump])
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/wait.h>
]],
[[
main()
{
#ifdef WCOREFLAG
exit(1);
#else
int i = 0;
((union wait *)&i)->w_coredump = 1;
exit(i != 0200);
#endif
}
]])
],
[AC_MSG_RESULT([yes])
AC_DEFINE(WCOREFLAG, 0200,
[Define if the 0200 bit of the status returned by wait() indicates
whether a core image was produced for a process that was terminated
by a signal.])],
[AC_MSG_RESULT([no])],
[AC_MSG_RESULT([no])])])
AC_DEFUN([GROFF_BROKEN_SPOOLER_FLAGS],
[AC_MSG_CHECKING([default value for grops -b option])
test -n "${BROKEN_SPOOLER_FLAGS}" || BROKEN_SPOOLER_FLAGS=0
AC_MSG_RESULT([$BROKEN_SPOOLER_FLAGS])
AC_SUBST([BROKEN_SPOOLER_FLAGS])])
AC_DEFUN([GROFF_PAGE],
[AC_MSG_CHECKING([default paper size])
groff_prefix=$prefix
test "x$prefix" = "xNONE" && groff_prefix=$ac_default_prefix
if test -z "$PAGE"; then
descfile=
if test -r $groff_prefix/share/groff/font/devps/DESC; then
descfile=$groff_prefix/share/groff/font/devps/DESC
elif test -r $groff_prefix/lib/groff/font/devps/DESC; then
descfile=$groff_prefix/lib/groff/font/devps/DESC
else
for f in $groff_prefix/share/groff/*/font/devps/DESC; do
if test -r $f; then
descfile=$f
break
fi
done
fi
if test -n "$descfile"; then
if grep ['^paperlength[ ]\+841890'] $descfile >/dev/null 2>&1; then
PAGE=A4
elif grep ['^papersize[ ]\+[aA]4'] $descfile >/dev/null 2>&1; then
PAGE=A4
fi
fi
fi
if test -z "$PAGE"; then
dom=`awk '([$]1 == "dom" || [$]1 == "search") { print [$]2; exit}' \
/etc/resolv.conf 2>/dev/null`
if test -z "$dom"; then
dom=`(domainname) 2>/dev/null | tr -d '+'`
if test -z "$dom" \
|| test "$dom" = '(none)'; then
dom=`(hostname) 2>/dev/null | grep '\.'`
fi
fi
# If the top-level domain is two letters and it's not `us' or `ca'
# then they probably use A4 paper.
case "$dom" in
[*.[Uu][Ss]|*.[Cc][Aa])]
;;
[*.[A-Za-z][A-Za-z])]
PAGE=A4 ;;
esac
fi
test -n "$PAGE" || PAGE=letter
if test "x$PAGE" = "xA4"; then
AC_DEFINE([PAGEA4], [1],
[Define if the printer's page size is A4.])
fi
AC_MSG_RESULT([$PAGE])
AC_SUBST([PAGE])])
AC_DEFUN([GROFF_CXX_CHECK],
[AC_REQUIRE([AC_PROG_CXX])
AC_LANG_PUSH([C++])
if test "$cross_compiling" = no; then
AC_MSG_CHECKING([that C++ compiler can compile simple program])
fi
AC_RUN_IFELSE([
AC_LANG_SOURCE([[
int main() {
return 0;
}
]])
],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_MSG_ERROR([a working C++ compiler is required])],
[:])
if test "$cross_compiling" = no; then
AC_MSG_CHECKING([that C++ static constructors and destructors are called])
fi
AC_RUN_IFELSE([
AC_LANG_SOURCE([[
extern "C" {
void _exit(int);
}
int i;
struct A {
char dummy;
A() { i = 1; }
~A() { if (i == 1) _exit(0); }
};
A a;
int main()
{
return 1;
}
]])
],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_MSG_ERROR([a working C++ compiler is required])],
[:])
AC_MSG_CHECKING([that header files support C++])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#include <stdio.h>
]],
[[
fopen(0, 0);
]])
],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_MSG_ERROR([header files do not support C++
(if you are using a version of gcc/g++ earlier than 2.5,
you should install libg++)])])
AC_LANG_POP([C++])])
AC_DEFUN([GROFF_TMAC],
[AC_MSG_CHECKING([for prefix of system macro packages])
sys_tmac_prefix=
sys_tmac_file_prefix=
for d in /usr/share/lib/tmac /usr/lib/tmac; do
for t in "" tmac.; do
for m in an s m; do
f=$d/$t$m
if test -z "$sys_tmac_prefix" \
&& test -f $f \
&& grep '^\.if' $f >/dev/null 2>&1; then
sys_tmac_prefix=$d/$t
sys_tmac_file_prefix=$t
fi
done
done
done
AC_MSG_RESULT([$sys_tmac_prefix])
AC_SUBST([sys_tmac_prefix])
AC_MSG_CHECKING([which system macro packages should be made available])
tmac_wrap=
if test "x$sys_tmac_file_prefix" = "xtmac."; then
for f in $sys_tmac_prefix*; do
suff=`echo $f | sed -e "s;$sys_tmac_prefix;;"`
case "$suff" in
e)
;;
*)
grep "Copyright.*Free Software Foundation" $f >/dev/null \
|| tmac_wrap="$tmac_wrap $suff" ;;
esac
done
elif test -n "$sys_tmac_prefix"; then
files=`echo $sys_tmac_prefix*`
grep "\\.so" $files >conftest.sol
for f in $files; do
case "$f" in
${sys_tmac_prefix}e)
;;
*.me)
;;
*/ms.*)
;;
*)
b=`basename $f`
if grep "\\.so.*/$b\$" conftest.sol >/dev/null \
|| grep -l "Copyright.*Free Software Foundation" $f >/dev/null; then
:
else
suff=`echo $f | sed -e "s;$sys_tmac_prefix;;"`
case "$suff" in
tmac.*)
;;
*)
tmac_wrap="$tmac_wrap $suff" ;;
esac
fi
esac
done
rm -f conftest.sol
fi
AC_MSG_RESULT([$tmac_wrap])
AC_SUBST([tmac_wrap])])
AC_DEFUN([GROFF_G],
[AC_MSG_CHECKING([for existing troff installation])
if test "x`(echo .tm '|n(.g' | tr '|' '\\\\' | troff -z -i 2>&1) 2>/dev/null`" = x0; then
AC_MSG_RESULT([yes])
g=g
else
AC_MSG_RESULT([no])
g=
fi
AC_SUBST([g])])
# We need the path to install-sh to be absolute.
AC_DEFUN([GROFF_INSTALL_SH],
[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])
ac_dir=`cd $ac_aux_dir; pwd`
ac_install_sh="$ac_dir/install-sh -c"])
# Test whether install-info is available.
AC_DEFUN([GROFF_INSTALL_INFO],
[AC_CHECK_PROGS([INSTALL_INFO], [install-info], [:])])
# At least one UNIX system, Apple Macintosh Rhapsody 5.5,
# does not have -lm ...
AC_DEFUN([GROFF_LIBM],
[AC_CHECK_LIB([m], [sin], [LIBM=-lm])
AC_SUBST([LIBM])])
# ... while the MinGW implementation of GCC for Microsoft Win32
# does not seem to have -lc.
AC_DEFUN([GROFF_LIBC],
[AC_CHECK_LIB([c], [main], [LIBC=-lc])
AC_SUBST([LIBC])])
# Check for EBCDIC -- stolen from the OS390 Unix LYNX port
AC_DEFUN([GROFF_EBCDIC],
[AC_MSG_CHECKING([whether character set is EBCDIC])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
/* Treat any failure as ASCII for compatibility with existing art.
Use compile-time rather than run-time tests for cross-compiler
tolerance. */
#if '0' != 240
make an error "Character set is not EBCDIC"
#endif
]])
],
[groff_cv_ebcdic="yes"
TTYDEVDIRS="font/devcp1047"
AC_MSG_RESULT([yes])
AC_DEFINE(IS_EBCDIC_HOST, 1,
[Define if the host's encoding is EBCDIC.])],
[groff_cv_ebcdic="no"
TTYDEVDIRS="font/devascii font/devlatin1"
OTHERDEVDIRS="font/devlj4 font/devlbp"
AC_MSG_RESULT([no])])
AC_SUBST([TTYDEVDIRS])
AC_SUBST([OTHERDEVDIRS])])
# Check for OS/390 Unix. We test for EBCDIC also -- the Linux port (with
# gcc) to OS/390 uses ASCII internally.
AC_DEFUN([GROFF_OS390],
[if test "$groff_cv_ebcdic" = "yes"; then
AC_MSG_CHECKING([for OS/390 Unix])
case `uname` in
OS/390)
CFLAGS="$CFLAGS -D_ALL_SOURCE"
AC_MSG_RESULT([yes]) ;;
*)
AC_MSG_RESULT([no]) ;;
esac
fi])
# Check whether we need a declaration for a function.
#
# Stolen from GNU bfd.
AC_DEFUN([GROFF_NEED_DECLARATION],
[AC_MSG_CHECKING([whether $1 must be declared])
AC_LANG_PUSH([C++])
AC_CACHE_VAL([groff_cv_decl_needed_$1],
[AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#include <stdio.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_MATH_H
#include <math.h>
#endif
]],
[[
#ifndef $1
char *p = (char *) $1;
#endif
]])
],
[groff_cv_decl_needed_$1=no],
[groff_cv_decl_needed_$1=yes])])
AC_MSG_RESULT([$groff_cv_decl_needed_$1])
if test $groff_cv_decl_needed_$1 = yes; then
AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), [1],
[Define if your C++ doesn't declare ]$1[().])
fi
AC_LANG_POP([C++])])
# If mkstemp() isn't available, use our own mkstemp.cpp file.
AC_DEFUN([GROFF_MKSTEMP],
[AC_MSG_CHECKING([for mkstemp])
AC_LANG_PUSH([C++])
AC_LIBSOURCE([mkstemp.cpp])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#include <stdlib.h>
#include <unistd.h>
int (*f) (char *);
]],
[[
f = mkstemp;
]])
],
[AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_MKSTEMP], [1], [Define if you have mkstemp().])],
[AC_MSG_RESULT([no])
_AC_LIBOBJ([mkstemp])])
AC_LANG_POP([C++])])
# Test whether <inttypes.h> exists, doesn't clash with <sys/types.h>,
# and declares uintmax_t. Taken from the fileutils package.
AC_DEFUN([GROFF_INTTYPES_H],
[AC_LANG_PUSH([C++])
AC_MSG_CHECKING([C++ <inttypes.h>])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <inttypes.h>
]],
[[
uintmax_t i = (uintmax_t)-1;
]])
],
[groff_cv_header_inttypes_h=yes
AC_DEFINE([HAVE_CC_INTTYPES_H], [1],
[Define if you have a C++ <inttypes.h>.])],
[groff_cv_header_inttypes_h=no])
AC_MSG_RESULT([$groff_cv_header_inttypes_h])
AC_LANG_POP([C++])])
# Test for working `unsigned long long'. Taken from the fileutils package.
AC_DEFUN([GROFF_UNSIGNED_LONG_LONG],
[AC_LANG_PUSH([C++])
AC_MSG_CHECKING([for unsigned long long])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
unsigned long long ull = 1;
int i = 63;
unsigned long long ullmax = (unsigned long long)-1;
]],
[[
return ull << i | ull >> i | ullmax / ull | ullmax % ull;
]])
],
[groff_cv_type_unsigned_long_long=yes],
[groff_cv_type_unsigned_long_long=no])
AC_MSG_RESULT([$groff_cv_type_unsigned_long_long])
AC_LANG_POP([C++])])
# Define uintmax_t to `unsigned long' or `unsigned long long'
# if <inttypes.h> does not exist. Taken from the fileutils package.
AC_DEFUN([GROFF_UINTMAX_T],
[AC_REQUIRE([GROFF_INTTYPES_H])
if test $groff_cv_header_inttypes_h = no; then
AC_REQUIRE([GROFF_UNSIGNED_LONG_LONG])
test $groff_cv_type_unsigned_long_long = yes \
&& ac_type='unsigned long long' \
|| ac_type='unsigned long'
AC_DEFINE_UNQUOTED([uintmax_t], [$ac_type],
[Define uintmax_t to `unsigned long' or `unsigned long long' if
<inttypes.h> does not exist.])
fi])
# Identify PATH_SEPARATOR character to use in GROFF_FONT_PATH and
# GROFF_TMAC_PATH which is appropriate for the target system (POSIX=':',
# MS-DOS/Win32=';').
#
# The logic to resolve this test is already encapsulated in
# `${srcdir}/src/include/nonposix.h'.
AC_DEFUN([GROFF_TARGET_PATH_SEPARATOR],
[AC_MSG_CHECKING([separator character to use in groff search paths])
cp ${srcdir}/src/include/nonposix.h conftest.h
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#include <ctype.h>
#include "conftest.h"
]],
[[
#if PATH_SEP_CHAR == ';'
make an error "Path separator is ';'"
#endif
]])
],
[GROFF_PATH_SEPARATOR=":"],
[GROFF_PATH_SEPARATOR=";"])
AC_MSG_RESULT([$GROFF_PATH_SEPARATOR])
AC_SUBST(GROFF_PATH_SEPARATOR)])
# Check for X11.
AC_DEFUN([GROFF_X11],
[AC_REQUIRE([AC_PATH_XTRA])
groff_no_x=$no_x
if test -z "$groff_no_x"; then
OLDCFLAGS=$CFLAGS
OLDLDFLAGS=$LDFLAGS
OLDLIBS=$LIBS
CFLAGS="$CFLAGS $X_CFLAGS"
LDFLAGS="$LDFLAGS $X_LIBS"
LIBS="$LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"
LIBS="$LIBS -lXaw"
AC_MSG_CHECKING([for Xaw library and header files])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#include <X11/Intrinsic.h>
#include <X11/Xaw/Simple.h>
]],
[])
],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
groff_no_x="yes"])
LIBS="$LIBS -lXmu"
AC_MSG_CHECKING([for Xmu library and header files])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#include <X11/Intrinsic.h>
#include <X11/Xmu/Converters.h>
]],
[])
],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
groff_no_x="yes"])
CFLAGS=$OLDCFLAGS
LDFLAGS=$OLDLDFLAGS
LIBS=$OLDLIBS
fi
if test "x$groff_no_x" = "xyes"; then
AC_MSG_NOTICE([gxditview and xtotroff won't be built])
else
XDEVDIRS="font/devX75 font/devX75-12 font/devX100 font/devX100-12"
XPROGDIRS="src/devices/xditview src/utils/xtotroff"
XLIBDIRS="src/libs/libxutil"
fi
AC_SUBST([XDEVDIRS])
AC_SUBST([XPROGDIRS])
AC_SUBST([XLIBDIRS])])
# Set up the `--with-appresdir' command line option.
AC_DEFUN([GROFF_APPRESDIR_OPTION],
[AC_ARG_WITH([appresdir],
dnl Don't quote AS_HELP_STRING!
AS_HELP_STRING([--with-appresdir=DIR],
[X11 application resource files]))])
# Get a default value for the application resource directory.
#
# We ignore the `XAPPLRES' and `XUSERFILESEARCHPATH' environment variables.
#
# The goal is to find the `root' of X11. Under most systems this is
# `/usr/X11/lib'. Application default files are then in
# `/usr/X11/lib/X11/app-defaults'.
#
# Based on autoconf's AC_PATH_X macro.
AC_DEFUN([GROFF_APPRESDIR_DEFAULT],
[if test -z "$groff_no_x"; then
# Create an Imakefile, run `xmkmf', then `make'.
rm -f -r conftest.dir
if mkdir conftest.dir; then
cd conftest.dir
# Make sure to not put `make' in the Imakefile rules,
# since we grep it out.
cat >Imakefile <<'EOF'
xlibdirs:
@echo 'groff_x_usrlibdir="${USRLIBDIR}"; groff_x_libdir="${LIBDIR}"'
EOF
if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
# GNU make sometimes prints "make[1]: Entering...",
# which would confuse us.
eval `${MAKE-make} xlibdirs 2>/dev/null | grep -v make`
# Open Windows `xmkmf' reportedly sets LIBDIR instead of USRLIBDIR.
for groff_extension in a so sl; do
if test ! -f $groff_x_usrlibdir/libX11.$groff_extension &&
test -f $groff_x_libdir/libX11.$groff_extension; then
groff_x_usrlibdir=$groff_x_libdir
break
fi
done
fi
cd ..
rm -f -r conftest.dir
fi
# In case the test with `xmkmf' wasn't successful, try a suite of
# standard directories. Check `X11' before `X11Rn' because it is often
# a symlink to the current release.
groff_x_libdirs='
/usr/X11/lib
/usr/X11R6/lib
/usr/X11R5/lib
/usr/X11R4/lib
/usr/lib/X11
/usr/lib/X11R6
/usr/lib/X11R5
/usr/lib/X11R4
/usr/local/X11/lib
/usr/local/X11R6/lib
/usr/local/X11R5/lib
/usr/local/X11R4/lib
/usr/local/lib/X11
/usr/local/lib/X11R6
/usr/local/lib/X11R5
/usr/local/lib/X11R4
/usr/X386/lib
/usr/x386/lib
/usr/XFree86/lib/X11
/usr/lib
/usr/local/lib
/usr/unsupported/lib
/usr/athena/lib
/usr/local/x11r5/lib
/usr/lpp/Xamples/lib
/usr/openwin/lib
/usr/openwin/share/lib'
if test -z "$groff_x_usrlibdir"; then
# We only test whether libX11 exists.
for groff_dir in $groff_x_libdirs; do
for groff_extension in a so sl; do
if test ! -r $groff_dir/libX11.$groff_extension; then
groff_x_usrlibdir=$groff_dir
break 2
fi
done
done
fi
if test "x$with_appresdir" = "x"; then
appresdir=$groff_x_usrlibdir/X11/app-defaults
else
appresdir=$with_appresdir
fi
fi
AC_SUBST([appresdir])])
# Emit warning if --with-appresdir hasn't been used.
AC_DEFUN([GROFF_APPRESDIR_CHECK],
[if test -z "$groff_no_x"; then
if test "x$with_appresdir" = "x"; then
AC_MSG_NOTICE([
The application resource file for gxditview will be installed as
$appresdir/GXditview
(an existing file will be saved as `GXditview.old').
To install it into a different directory, say, `/etc/gxditview',
add `--with-appresdir=/etc/gxditview' to the configure script
command line options and rerun it. The environment variable
`APPLRESDIR' must then be set to `/etc/' (note the trailing slash),
omitting the `gxditview' part which is automatically appended by
the X11 searching routines for resource files. More details can be
found in the X(7) manual page.
])
fi
fi])
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