Add copyright notice.

(gl_FUNC_OPENAT): Require gl_USE_SYSTEM_EXTENSIONS, since Solaris
requires __EXTENSIONS__ to be defined when compiling pedantically.

diff --git a/m4/openat.m4 b/m4/openat.m4
index 0124fbd9959356cbe307bbf7af660f363b74abf3..ae6a2289d96cd43f717202af6fa29af9660368c1 100644 (file)
--- a/m4/openat.m4
+++ b/m4/openat.m4
@@ -1,10 +1,27 @@
-#serial 1
+#serial 2
+# See if we need to use our replacement for Solaris' openat function.
+
+# Copyright (C) 2004 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
 # Written by Jim Meyering.
-# See if we need to use our replacement for Solaris' openat function.
 
 AC_DEFUN([gl_FUNC_OPENAT],
 [
+  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
   AC_REPLACE_FUNCS(openat)
   case $ac_cv_func_openat in
   yes) ;;