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Update m4/ax_check_compile_flag.m4 from upstream #1802

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Update m4/ax_check_compile_flag.m4 from upstream #1802

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Update m4/ax_check_compile_flag.m4 from upstream
michaelortmann Mar 25, 2025
5ba2072
Update
michaelortmann Mar 25, 2025
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16 changes: 13 additions & 3 deletions m4/ax_check_compile_flag.m4
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Original file line number Diff line number Diff line change
Expand Up @@ -34,14 +34,24 @@
# and this notice are preserved. This file is offered as-is, without any
# warranty.

#serial 6
#serial 11

AC_DEFUN([AX_CHECK_COMPILE_FLAG],
[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
AC_CACHE_CHECK([whether the _AC_LANG compiler accepts $1], CACHEVAR, [
ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
_AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1"
if test x"m4_case(_AC_LANG,
[C], [$GCC],
[C++], [$GXX],
[Fortran], [$GFC],
[Fortran 77], [$G77],
[Objective C], [$GOBJC],
[Objective C++], [$GOBJCXX],
[no])" = xyes ; then
add_gnu_werror="-Werror"
fi
_AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1 $add_gnu_werror"
AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
[AS_VAR_SET(CACHEVAR,[yes])],
[AS_VAR_SET(CACHEVAR,[no])])
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2 changes: 1 addition & 1 deletion src/mod/python.mod/configure.ac
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
dnl configure.ac: this file is processed by autoconf to produce ./configure.

AC_PREREQ(2.69)
AC_PREREQ(2.71)

sinclude(../eggmod.m4)
builtin(include,../../../m4/python.m4)
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