nasm/aclocal.m4
H. Peter Anvin 1ed0387476 Cleaner way to add gcc options
We can actually test for the options being accepted, rather than try
to test for gcc; this handles differences between gcc versions as well
as compilers with a similar command line set.
2007-04-15 22:45:25 +00:00

15 lines
532 B
Text

dnl --------------------------------------------------------------------------
dnl PA_ADD_CFLAGS()
dnl
dnl Attempt to add the given option to CFLAGS, if it doesn't break compilation
dnl --------------------------------------------------------------------------
AC_DEFUN(PA_ADD_CFLAGS,
[AC_MSG_CHECKING([if $CC accepts $1])
pa_add_cflags__old_cflags="$CFLAGS"
CFLAGS="$CFLAGS $1"
AC_TRY_LINK([#include <stdio.h>],
[printf("Hello, World!\n");],
AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no])
CFLAGS="$pa_add_cflags__old_cflags")])