Revamp lchown so that it lives in unistd.h where it belongs.

[gnulib.git] / m4 / lchown.m4

diff --git a/m4/lchown.m4 b/m4/lchown.m4
index a7b3572..b719ed0 100644 (file)
--- a/m4/lchown.m4
+++ b/m4/lchown.m4
@@ -1,7 +1,8 @@
-#serial 11
+#serial 12
+# Determine whether we need the lchown wrapper.
 
-dnl Copyright (C) 1998, 2001, 2003, 2004, 2005, 2006 Free Software
-dnl Foundation, Inc.
+dnl Copyright (C) 1998, 2001, 2003, 2004, 2005, 2006, 2007 Free
+dnl Software Foundation, Inc.
 
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -12,8 +13,10 @@ dnl Provide lchown on systems that lack it.
 
 AC_DEFUN([gl_FUNC_LCHOWN],
 [
-  AC_REQUIRE([AC_TYPE_UID_T])
+  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
   AC_REQUIRE([gl_FUNC_CHOWN])
-  AC_CHECK_DECLS_ONCE([lchown])
   AC_REPLACE_FUNCS(lchown)
+  if test $ac_cv_func_lchown = no; then
+    REPLACE_LCHOWN=1
+  fi
 ])