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

[gnulib.git] / m4 / rename.m4

diff --git a/m4/rename.m4 b/m4/rename.m4
index ba76240..39ad5e7 100644 (file)
--- a/m4/rename.m4
+++ b/m4/rename.m4
@@ -1,40 +1,52 @@
-#serial 2
+#serial 10
+
+# Copyright (C) 2001, 2003, 2005, 2006 Free Software Foundation, Inc.
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
 dnl From Volker Borchert.
-dnl Determine whether rename works for source paths with a trailing slash.
+dnl Determine whether rename works for source file names with a trailing slash.
 dnl The rename from SunOS 4.1.1_U1 doesn't.
 dnl
 dnl If it doesn't, then define RENAME_TRAILING_SLASH_BUG and arrange
 dnl to compile the wrapper function.
 dnl
 
-AC_DEFUN(vb_FUNC_RENAME,
+AC_DEFUN([gl_FUNC_RENAME],
 [
  AC_CACHE_CHECK([whether rename is broken],
-  vb_cv_func_rename_trailing_slash_bug,
+  gl_cv_func_rename_trailing_slash_bug,
   [
     rm -rf conftest.d1 conftest.d2
     mkdir conftest.d1 ||
       AC_MSG_ERROR([cannot create temporary directory])
     AC_TRY_RUN([
 #       include <stdio.h>
+#       include <stdlib.h>
         int
         main ()
         {
           exit (rename ("conftest.d1/", "conftest.d2") ? 1 : 0);
         }
       ],
-      vb_cv_func_rename_trailing_slash_bug=no,
-      vb_cv_func_rename_trailing_slash_bug=yes,
+      gl_cv_func_rename_trailing_slash_bug=no,
+      gl_cv_func_rename_trailing_slash_bug=yes,
       dnl When crosscompiling, assume rename is broken.
-      vb_cv_func_rename_trailing_slash_bug=yes)
+      gl_cv_func_rename_trailing_slash_bug=yes)
 
       rm -rf conftest.d1 conftest.d2
   ])
-  if test $vb_cv_func_rename_trailing_slash_bug = yes; then
+  if test $gl_cv_func_rename_trailing_slash_bug = yes; then
     AC_LIBOBJ(rename)
-    AC_DEFINE_UNQUOTED(RENAME_TRAILING_SLASH_BUG, 1,
-[Define if rename does not work for source paths with a trailing slash,
-   like the one from SunOS 4.1.1_U1.])
+    AC_DEFINE(rename, rpl_rename,
+      [Define to rpl_rename if the replacement function should be used.])
+    AC_DEFINE(RENAME_TRAILING_SLASH_BUG, 1,
+      [Define if rename does not work for source file names with a trailing
+       slash, like the one from SunOS 4.1.1_U1.])
+    gl_PREREQ_RENAME
   fi
 ])
+
+# Prerequisites of lib/rename.c.
+AC_DEFUN([gl_PREREQ_RENAME], [:])