From: Bruno Haible <bruno@clisp.org>
Date: Sun, 10 Jun 2007 15:05:31 +0000 (+0000)
Subject: Test for _snprintf (missing since 2003-11-16).
X-Git-Tag: cvs-readonly~253
X-Git-Url: http://erislabs.org.uk/gitweb/?a=commitdiff_plain;h=3dec403bde7209657a9cd32c4124071f465f897e;p=gnulib.git

Test for _snprintf (missing since 2003-11-16).
---

diff --git a/ChangeLog b/ChangeLog
index 74e7f1d09..c3782e339 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-06-10  Bruno Haible  <bruno@clisp.org>
+
+	* m4/vasnprintf.m4 (gl_PREREQ_VASNPRINTF): Check for _snprintf
+	declaration.
+
 2007-06-10  Karl Berry  <karl@gnu.org>
 
 	* config/srclist.txt: remove gettext entries, Bruno prefers
diff --git a/m4/vasnprintf.m4 b/m4/vasnprintf.m4
index 7d676c25f..accee4b54 100644
--- a/m4/vasnprintf.m4
+++ b/m4/vasnprintf.m4
@@ -1,4 +1,4 @@
-# vasnprintf.m4 serial 18
+# vasnprintf.m4 serial 19
 dnl Copyright (C) 2002-2004, 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,
@@ -57,6 +57,9 @@ AC_DEFUN([gl_PREREQ_VASNPRINTF],
   AC_REQUIRE([gt_TYPE_WCHAR_T])
   AC_REQUIRE([gt_TYPE_WINT_T])
   AC_CHECK_FUNCS(snprintf wcslen)
+  dnl Use the _snprintf function only if it is declared (because on NetBSD it
+  dnl is defined as a weak alias of snprintf; we prefer to use the latter).
+  AC_CHECK_DECLS([_snprintf], , , [#include <stdio.h>])
 ])
 
 # Extra prerequisites of lib/vasnprintf.c for supporting 'long double'