X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fvasprintf.m4;h=c214ff1120541cff64212d82a2d2ecdbd34ce412;hb=6a8461af29d6ce87d891ca8e1433848f5f4c45b8;hp=18ca6327b54263461b73984778c7a327a40d8ce3;hpb=e1c5c74989afaf386aa8516956aba0a16df777b7;p=gnulib.git

diff --git a/m4/vasprintf.m4 b/m4/vasprintf.m4
index 18ca6327b..c214ff112 100644
--- a/m4/vasprintf.m4
+++ b/m4/vasprintf.m4
@@ -1,25 +1,38 @@
-# vasprintf.m4 serial 2
-dnl Copyright (C) 2002-2003, 2006 Free Software Foundation, Inc.
+# vasprintf.m4 serial 6
+dnl Copyright (C) 2002-2003, 2006-2007, 2009-2013 Free Software Foundation,
+dnl Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
 AC_DEFUN([gl_FUNC_VASPRINTF],
 [
-  AC_REPLACE_FUNCS(vasprintf)
+  AC_CHECK_FUNCS([vasprintf])
   if test $ac_cv_func_vasprintf = no; then
-    AC_LIBOBJ(asprintf)
-    gl_PREREQ_VASPRINTF_H
-    gl_PREREQ_VASPRINTF
-    gl_PREREQ_ASPRINTF
+    gl_REPLACE_VASPRINTF
   fi
 ])
 
-# Prerequisites of lib/vasprintf.h.
+AC_DEFUN([gl_REPLACE_VASPRINTF],
+[
+  AC_LIBOBJ([vasprintf])
+  AC_LIBOBJ([asprintf])
+  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+  if test $ac_cv_func_vasprintf = yes; then
+    REPLACE_VASPRINTF=1
+  else
+    HAVE_VASPRINTF=0
+  fi
+  gl_PREREQ_VASPRINTF_H
+  gl_PREREQ_VASPRINTF
+  gl_PREREQ_ASPRINTF
+])
+
+# 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.