* lib/sys_time_.h: Use a recursion-safe inclusion guard rather than

[gnulib.git] / m4 / fseeko.m4

diff --git a/m4/fseeko.m4 b/m4/fseeko.m4
index 86d42f4..40be63b 100644 (file)
--- a/m4/fseeko.m4
+++ b/m4/fseeko.m4
@@ -1,4 +1,4 @@
-# fseeko.m4 serial 1
+# fseeko.m4 serial 3
 dnl Copyright (C) 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,
@@ -8,12 +8,23 @@ AC_DEFUN([gl_FUNC_FSEEKO],
 [
   AC_REQUIRE([gl_STDIO_H_DEFAULTS])
   AC_REQUIRE([AC_PROG_CC])
+  AC_REQUIRE([gl_STDIN_LARGE_OFFSET])
   AC_CACHE_CHECK([for fseeko], [gl_cv_func_fseeko],
     [
       AC_TRY_LINK([#include <stdio.h>], [fseeko (stdin, 0, 0);],
-        [gl_cv_func_fseeko=yes], [gl_cv_func_fseeko=no])
+       [gl_cv_func_fseeko=yes], [gl_cv_func_fseeko=no])
     ])
   if test $gl_cv_func_fseeko = no; then
     HAVE_FSEEKO=0
+    gl_REPLACE_FSEEKO
+  elif test $gl_cv_var_stdin_large_offset = no; then
+    gl_REPLACE_FSEEKO
   fi
 ])
+
+AC_DEFUN([gl_REPLACE_FSEEKO],
+[
+  AC_LIBOBJ([fseeko])
+  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+  REPLACE_FSEEKO=1
+])