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Restore compile flag test

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This commit is contained in:
Frank Denis 2021-04-08 10:55:46 +02:00
parent cd1bd8f1b3
commit 6ced025490
1 changed files with 3 additions and 1 deletions
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4
m4/ax_check_compile_flag.m4
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@ -42,7 +42,9 @@ AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
_AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1"
AC_LINK_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
AC_LINK_IFELSE([m4_default([$5],[AC_LANG_PROGRAM(
[#include <time.h>], [time_t x; int fodder = 0; if (fodder > -1000 && time(&x)) return (int) x]
)])],
[AS_VAR_SET(CACHEVAR,[yes])],
[AS_VAR_SET(CACHEVAR,[no])])
_AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags])