-# vasprintf.m4 serial 5
+# vasprintf.m4 serial 6
dnl Copyright (C) 2002-2003, 2006-2007 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
AC_DEFUN([gl_PREREQ_VASPRINTF_H],
[
dnl Persuade glibc <stdio.h> to declare asprintf() and vasprintf().
- AC_REQUIRE([AC_GNU_SOURCE])
+ AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
])
# Prerequisites of lib/vasprintf.c.