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Try harder to find GNU Make when configuring.

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* configure.ac (AC_PROG_MAKE_SET): Define a dummy.
(MAKE): Set it to GNU Make, if one can be found.
Search PATH for 'make', 'gmake', 'gnumake'.
This works better on platforms like AIX, where GNU Make
might be in /opt/freeware/bin/make, and reside
behind /usr/bin/make in the PATH.
This commit is contained in:
Paul Eggert 2014-06-05 01:03:22 -07:00
parent ea633fff4c
commit 4545be9dcb
2 changed files with 54 additions and 14 deletions
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10
ChangeLog
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@ -1,3 +1,13 @@
2014-06-05 Paul Eggert <eggert@cs.ucla.edu>
Try harder to find GNU Make when configuring.
* configure.ac (AC_PROG_MAKE_SET): Define a dummy.
(MAKE): Set it to GNU Make, if one can be found.
Search PATH for 'make', 'gmake', 'gnumake'.
This works better on platforms like AIX, where GNU Make
might be in /opt/freeware/bin/make, and reside
behind /usr/bin/make in the PATH.
2014-06-05 Dmitry Antipov <dmantipov@yandex.ru>
* configure.ac (POLL_FOR_INPUT): Define with HAVE_WINDOW_SYSTEM.

58
configure.ac
View File

@ -92,7 +92,7 @@ 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 SET_MAKE and with the usual MAKE variable that 'make' itself uses.
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"
@ -102,6 +102,47 @@ if test -n "$XCRUN"; then
fi
fi
dnl GNU Make is required, so don't test for its individual features.
am_cv_make_support_nested_variables=yes
AC_DEFUN([AC_PROG_MAKE_SET],
[SET_MAKE=
AC_SUBST([SET_MAKE])])
dnl Check for GNU Make and possibly set MAKE before running AM_INIT_AUTOMAKE.
AC_CACHE_CHECK([for GNU Make], [ac_cv_path_MAKE],
[ac_path_MAKE_found=false
if test -n "$MAKE"; then
emacs_makeout=`($MAKE --version) 2>/dev/null` &&
case $emacs_makeout in
'GNU Make '*)
ac_path_MAKE_found=:;;
esac
ac_cv_path_MAKE=$MAKE
else
emacs_tried_make=false
emacs_tried_gmake=false
emacs_tried_gnumake=false
AC_PATH_PROGS_FEATURE_CHECK([MAKE], [make gmake gnumake],
[[emacs_makeout=`($ac_path_MAKE --version) 2>/dev/null` &&
case $emacs_makeout in
'GNU Make '*)
# Use the fully-qualified program name only if the basename
# would not resolve to it.
if eval \$emacs_tried_$ac_prog; then
ac_cv_path_MAKE=$ac_path_MAKE
else
ac_cv_path_MAKE=$ac_prog
fi
ac_path_MAKE_found=:;;
esac
eval emacs_tried_$ac_prog=:]])
fi])
$ac_path_MAKE_found || { AC_MSG_ERROR([[Building Emacs requires GNU Make.
If you have it installed under another name, configure with 'MAKE=...'.
For example, run '$0 MAKE=gnu-make'.]])
}
MAKE=$ac_cv_path_MAKE
dnl Fairly arbitrary, older versions might work too.
AM_INIT_AUTOMAKE(1.11)
@ -659,18 +700,6 @@ Check `etc/MACHINES' for recognized configuration names.])
fi
AC_MSG_CHECKING([whether we are using GNU Make])
testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
if test "x$testval" != x; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
AC_MSG_ERROR([Building Emacs requires GNU make.
If you have it installed under another name, configure with 'MAKE=...'.
For example, run './configure MAKE=gmake'.])
fi
#### Choose a compiler.
dnl Don't bother to test for C89.
@ -1531,7 +1560,6 @@ dnl Check for endianness.
dnl AC_C_BIGENDIAN is done by gnulib.
dnl check for Make feature
dnl AC_PROG_MAKE_SET is done by Automake.
DEPFLAGS=
MKDEPDIR=":"
@ -5090,3 +5118,5 @@ fi
])
AC_OUTPUT
test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])