aosp12/external/flac/m4/add_cflags.m4

19 lines
452 B
Plaintext

dnl @synopsis XIPH_ADD_CFLAGS
dnl
dnl Add the given option to CFLAGS, if it doesn't break the compiler
AC_DEFUN([XIPH_ADD_CFLAGS],
[AC_MSG_CHECKING([if $CC accepts $1])
ac_add_cflags__old_cflags="$CFLAGS"
CFLAGS="$1"
AC_TRY_LINK([
#include <stdio.h>
],
[puts("Hello, World!"); return 0;],
AC_MSG_RESULT([yes])
CFLAGS="$ac_add_cflags__old_cflags $1",
AC_MSG_RESULT([no])
CFLAGS="$ac_add_cflags__old_cflags"
)
])# XIPH_ADD_CFLAGS