New file.

diff --git a/lib/lchmod.h b/lib/lchmod.h
new file mode 100644 (file)
index 0000000..d12f94a
--- /dev/null
+++ b/lib/lchmod.h
@@ -0,0 +1,35 @@
+/* Provide a replacement for lchmod on hosts that lack it.
+
+   Copyright (C) 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* Written by Paul Eggert.  */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#ifndef HAVE_LCHMOD
+
+/* The lchmod replacement follows symbolic links.  Callers should take
+   this into account; lchmod should be applied only to arguments that
+   are known to not be symbolic links.  On hosts that lack lchmod,
+   this can lead to race conditions between the check and the
+   invocation of lchmod, but we know of no workarounds that are
+   reliable in general.  You might try requesting support for lchmod
+   from your operating system supplier.  */
+
+# define lchmod chmod
+#endif

diff --git a/m4/lchmod.m4 b/m4/lchmod.m4
new file mode 100644 (file)
index 0000000..d035bba
--- /dev/null
+++ b/m4/lchmod.m4
@@ -0,0 +1,15 @@
+#serial 1
+
+dnl Copyright (C) 2005 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.
+
+dnl From Paul Eggert.
+dnl Provide a replacement for lchmod on hosts that lack it.
+
+AC_DEFUN([gl_FUNC_LCHMOD],
+[
+  AC_LIBSOURCES([lchmod.h])
+  AC_CHECK_FUNCS_ONCE([lchmod])
+])