New module 'vasprintf-posix'.

[gnulib.git] / m4 / vasprintf.m4

diff --git a/m4/vasprintf.m4 b/m4/vasprintf.m4
index 18ca632..0f4c123 100644 (file)
--- a/m4/vasprintf.m4
+++ b/m4/vasprintf.m4
@@ -1,20 +1,30 @@
-# vasprintf.m4 serial 2
-dnl Copyright (C) 2002-2003, 2006 Free Software Foundation, Inc.
+# vasprintf.m4 serial 3
+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,
 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
 ])
 
+AC_DEFUN([gl_REPLACE_VASPRINTF],
+[
+  AC_LIBOBJ([vasprintf])
+  AC_LIBOBJ([asprintf])
+  if test $ac_cv_func_vasprintf = yes; then
+    AC_DEFINE([REPLACE_VASPRINTF], 1,
+      [Define if vasprintf exists but is overridden by gnulib.])
+  fi
+  gl_PREREQ_VASPRINTF_H
+  gl_PREREQ_VASPRINTF
+  gl_PREREQ_ASPRINTF
+])
+
 # Prerequisites of lib/vasprintf.h.
 AC_DEFUN([gl_PREREQ_VASPRINTF_H],
 [