File: add_cflags.m4

package info (click to toggle)
audacity 2.1.2-2
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 86,844 kB
  • sloc: ansic: 225,005; cpp: 221,240; sh: 27,327; python: 16,896; makefile: 8,186; lisp: 8,002; perl: 317; xml: 307; sed: 16
file content (18 lines) | stat: -rw-r--r-- 446 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
dnl @synopsis MN_ADD_CFLAGS
dnl
dnl Add the given option to CFLAGS, if it doesn't break the compiler

AC_DEFUN([MN_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"
		)
])# MN_ADD_CFLAGS