[PATCH] autoconf & warn CFLAGS clean up

[Guillem Jover]

On Thu, 2007-04-26 at 02:17:20 -0400, Doug Goldstein wrote:
> Index: b/m4/try_flag.m4
> ===================================================================
> --- /dev/null	1970-01-01 00:00:00.000000000 +0000
> +++ b/m4/try_flag.m4	2007-04-26 02:15:05.000000000 -0400
> @@ -0,0 +1,23 @@

> +AC_DEFUN([AC_CC_TRY_FLAG], [
> +	  AC_MSG_CHECKING([whether $CC supports $1])
> +
> +	ac_save_CFLAGS="$CFLAGS"
> +	CFLAGS="$CFLAGS $1"
> +	AC_COMPILE_IFELSE([ ], [ac_cc_flag=yes], [ac_cc_flag=no])
> +	CFLAGS="$ac_save_CFLAGS"
> +
> +	if test "x$ac_cc_flag" = "xyes"; then
> +		ifelse([$2], , :, [$2])
> +	else
> +		ifelse([$3], , :, [$3])
> +	fi
> +
> +	AC_MSG_RESULT([$ac_cc_flag])
> +])

I don't think it's a good idea to use the AC_ namespace there.

regards,
guillem