[PATCH] readlinkat: don't depend on gl_FUNC_OPENAT

[Paul Eggert]

* m4/readlinkat.m4 (gl_FUNC_READLINKAT): Don't require gl_FUNC_OPENAT.
Perhaps a similar change needs to be made for linkat.m4, mkfifoat.m4,
renameat.m4, symlinkat.m4; but one thing at a time.
---
 ChangeLog        | 5 +++++
 m4/readlinkat.m4 | 3 +--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 16f8af0..78cdf1e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2013-01-23  Paul Eggert  <address@hidden>
 
+       readlinkat: don't depend on gl_FUNC_OPENAT
+       * m4/readlinkat.m4 (gl_FUNC_READLINKAT): Don't require gl_FUNC_OPENAT.
+       Perhaps a similar change needs to be made for linkat.m4, mkfifoat.m4,
+       renameat.m4, symlinkat.m4; but one thing at a time.
+
        statat: new module, split out from fstatat
        GNU Emacs needs the POSIX-specified fstatat, but not the
        gnulib-specified statat and lstat.  Split the latter two into a
diff --git a/m4/readlinkat.m4 b/m4/readlinkat.m4
index e7a6c01..b2ff40d 100644
--- a/m4/readlinkat.m4
+++ b/m4/readlinkat.m4
@@ -1,4 +1,4 @@
-# serial 2
+# serial 3
 # See if we need to provide readlinkat replacement.
 
 dnl Copyright (C) 2009-2013 Free Software Foundation, Inc.
@@ -10,7 +10,6 @@ dnl with or without modifications, as long as this notice is 
preserved.
 
 AC_DEFUN([gl_FUNC_READLINKAT],
 [
-  AC_REQUIRE([gl_FUNC_OPENAT])
   AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
   AC_CHECK_FUNCS_ONCE([readlinkat])
-- 
1.7.11.7