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Diffstat (limited to '')
| -rw-r--r-- | m4/mpd_check_cflag.m4 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/m4/mpd_check_cflag.m4 b/m4/mpd_check_cflag.m4 new file mode 100644 index 000000000..05682f611 --- /dev/null +++ b/m4/mpd_check_cflag.m4 @@ -0,0 +1,18 @@ +AC_DEFUN([MPD_CHECK_FLAG],[ + var=`echo "$1" | tr "-" "_"` + AC_CACHE_CHECK([whether the C compiler accepts $1], + [mpd_check_cflag_$var],[ + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $1" + AC_COMPILE_IFELSE([ + int main(void) { return 0; } + ], [ eval "mpd_check_cflag_$var=yes" + ], [ eval "mpd_check_cflag_$var=no" ]) + CFLAGS="$save_CFLAGS" + ]) + if eval "test x`echo '$mpd_check_cflag_'$var` = xyes" + then + MPD_CFLAGS="$MPD_CFLAGS $1" + fi + ]) +]) |