X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Fftello.m4;h=51308ef53bcea2f3e418ef2e69c02d934e374787;hb=cda636671de46bd0c60641ac60d6399662d7af2c;hp=f99478801ff055d1945ce57bc45d0fdb65fcdc5b;hpb=1c01610fe4d5ce23029b32415a739ec4ba6f5b8e;p=gnulib.git

diff --git a/m4/ftello.m4 b/m4/ftello.m4
index f99478801..51308ef53 100644
--- a/m4/ftello.m4
+++ b/m4/ftello.m4
@@ -1,5 +1,5 @@
-# ftello.m4 serial 2
-dnl Copyright (C) 2007 Free Software Foundation, Inc.
+# ftello.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.
@@ -9,13 +9,18 @@ AC_DEFUN([gl_FUNC_FTELLO],
   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 ftello], [gl_cv_func_ftello],
     [
       AC_TRY_LINK([#include <stdio.h>], [ftello (stdin);],
-        [gl_cv_func_ftello=yes], [gl_cv_func_ftello=no])
+	[gl_cv_func_ftello=yes], [gl_cv_func_ftello=no])
     ])
   if test $gl_cv_func_ftello = no; then
     HAVE_FTELLO=0
+    gl_REPLACE_FTELLO
   elif test $gl_cv_var_stdin_large_offset = no; then
     gl_REPLACE_FTELLO
   fi