--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2011-05-07  Bruno Haible  <bruno@clisp.org>
+
+	fseeko: Simplify.
+	* m4/fseeko.m4 (gl_HAVE_FSEEKO): Remove macro.
+	(gl_FUNC_FSEEKO): Inline it here.
+
 2011-05-07  Bruno Haible  <bruno@clisp.org>
 
 	fseek: Move AC_LIBOBJ invocations to module description.

--- a/m4/fseeko.m4
+++ b/m4/fseeko.m4
@@ -1,4 +1,4 @@
-# fseeko.m4 serial 14
+# fseeko.m4 serial 15
 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -7,8 +7,18 @@
 AC_DEFUN([gl_FUNC_FSEEKO],
 [
   AC_REQUIRE([gl_STDIO_H_DEFAULTS])
-  AC_REQUIRE([gl_HAVE_FSEEKO])
   AC_REQUIRE([gl_STDIN_LARGE_OFFSET])
+  AC_REQUIRE([AC_PROG_CC])
+
+  dnl Persuade glibc <stdio.h> to declare fseeko().
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+
+  AC_CACHE_CHECK([for fseeko], [gl_cv_func_fseeko],
+    [
+      AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
+]], [fseeko (stdin, 0, 0);])],
+        [gl_cv_func_fseeko=yes], [gl_cv_func_fseeko=no])
+    ])
 
   AC_CHECK_DECLS_ONCE([fseeko])
   if test $ac_cv_have_decl_fseeko = no; then
@@ -30,23 +40,6 @@
   fi
 ])
 
-dnl Tests whether fseeko is available.
-dnl Result is gl_cv_func_fseeko.
-AC_DEFUN([gl_HAVE_FSEEKO],
-[
-  AC_REQUIRE([AC_PROG_CC])
-
-  dnl Persuade glibc <stdio.h> to declare fseeko().
-  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
-
-  AC_CACHE_CHECK([for fseeko], [gl_cv_func_fseeko],
-    [
-      AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
-]], [fseeko (stdin, 0, 0);])],
-        [gl_cv_func_fseeko=yes], [gl_cv_func_fseeko=no])
-    ])
-])
-
 dnl Code shared by fseeko and ftello.  Determine if large files are supported,
 dnl but stdin does not start as a large file by default.
 AC_DEFUN([gl_STDIN_LARGE_OFFSET],