Set version to 1.3.0 and update coyprights throughout.
[flac.git] / m4 / add_cflags.m4
1 dnl @synopsis XIPH_ADD_CFLAGS
2 dnl
3 dnl Add the given option to CFLAGS, if it doesn't break the compiler
4
5 AC_DEFUN([XIPH_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 ])# XIPH_ADD_CFLAGS