libsndfile source files.
[Faustine.git] / interpretor / libsndfile-1.0.25 / M4 / add_cflags.m4
1 dnl @synopsis MN_ADD_CFLAGS
2 dnl
3 dnl Add the given option to CFLAGS, if it doesn't break the compiler
4
5 AC_DEFUN([MN_ADD_CFLAGS],
6 [AC_MSG_CHECKING([if $CC accepts $1])
7 ac_add_cflags__old_cflags="$CFLAGS"
8 CFLAGS="$1"
9 AC_TRY_LINK([
10 #include <stdio.h>
11 ],
12 [puts("Hello, World!"); return 0;],
13 AC_MSG_RESULT([yes])
14 CFLAGS="$ac_add_cflags__old_cflags $1",
15 AC_MSG_RESULT([no])
16 CFLAGS="$ac_add_cflags__old_cflags"
17 )
18 ])# MN_ADD_CFLAGS