X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fvasprintf.m4;h=074b03cf721c24f711877409377e45e46813c8aa;hb=cda636671de46bd0c60641ac60d6399662d7af2c;hp=d38c8ede59f5a212a187a731c489bce8d6aa4cc0;hpb=6e2afe5ad7c90ae9422ae2657dd842deed21731e;p=gnulib.git

diff --git a/m4/vasprintf.m4 b/m4/vasprintf.m4
index d38c8ede5..074b03cf7 100644
--- a/m4/vasprintf.m4
+++ b/m4/vasprintf.m4
@@ -1,4 +1,4 @@
-# vasprintf.m4 serial 4
+# 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,
@@ -27,11 +27,11 @@ AC_DEFUN([gl_REPLACE_VASPRINTF],
   gl_PREREQ_ASPRINTF
 ])
 
-# Prerequisites of lib/vasprintf.h.
+# Prerequisites of the vasprintf portion of lib/stdio.h.
 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.