cannam@126: dnl @synopsis AC_ADD_CFLAGS
cannam@126: dnl
cannam@126: dnl Add the given option to CFLAGS, if it doesn't break the compiler
cannam@126: 
cannam@126: AC_DEFUN([AC_ADD_CFLAGS],
cannam@126: [AC_MSG_CHECKING([if $CC accepts $1])
cannam@126: 	ac_add_cflags__old_cflags="$CFLAGS"
cannam@126: 	CFLAGS="$CFLAGS $1"
cannam@126: 	AC_TRY_LINK([
cannam@126: 			#include <stdio.h>
cannam@126: 			],
cannam@126: 		[puts("Hello, World!"); return 0;],
cannam@126: 		AC_MSG_RESULT([yes]),
cannam@126: 		AC_MSG_RESULT([no])
cannam@126: 		CFLAGS="$ac_add_cflags__old_cflags"
cannam@126: 		)
cannam@126: ])# AC_ADD_CFLAGS