Ensure that fseeko is declared when possible.

diff --git a/ChangeLog b/ChangeLog
index 3610223705c308b07a8bb1d0c8cdff20e16800bf..71d79a7473813bdba3b4e75a5c558b05984775ed 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2008-03-06  Bruno Haible  <bruno@clisp.org>
+
+       * modules/fseeko (Dependencies): Add extensions.
+       * m4/fseeko.m4 (gl_FUNC_FSEEKO): Require AC_USE_SYSTEM_EXTENSIONS.
+       Needed on glibc systems.
+
 2008-03-06  Bruno Haible  <bruno@clisp.org>
 
        * doc/gnulib-tool.texi (@nosuchmodulenote): Avoid line break inside

diff --git a/m4/fseeko.m4 b/m4/fseeko.m4
index 40be63b4c2e490c7929c466d09067056166e5946..3d773656886d4f9811ee80be0fe07a37f347a9c9 100644 (file)
--- a/m4/fseeko.m4
+++ b/m4/fseeko.m4
@@ -1,5 +1,5 @@
-# fseeko.m4 serial 3
-dnl Copyright (C) 2007 Free Software Foundation, Inc.
+# fseeko.m4 serial 4
+dnl Copyright (C) 2007-2008 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.
@@ -9,6 +9,10 @@ AC_DEFUN([gl_FUNC_FSEEKO],
   AC_REQUIRE([gl_STDIO_H_DEFAULTS])
   AC_REQUIRE([AC_PROG_CC])
   AC_REQUIRE([gl_STDIN_LARGE_OFFSET])
+
+  dnl Persuade glibc <stdio.h> to declare fseeko().
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+
   AC_CACHE_CHECK([for fseeko], [gl_cv_func_fseeko],
     [
       AC_TRY_LINK([#include <stdio.h>], [fseeko (stdin, 0, 0);],

diff --git a/modules/fseeko b/modules/fseeko
index eb109011edc1a45dbe8ba9b7cb36d5b90e685c86..ced94529cfa5ad7d27ad6d08e94d5b1b12c20e2f 100644 (file)
--- a/modules/fseeko
+++ b/modules/fseeko
@@ -6,6 +6,7 @@ lib/fseeko.c
 m4/fseeko.m4
 
 Depends-on:
+extensions
 lseek
 stdio