X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Funlinkdir.m4;h=d3157ad997ac6f6eb065a2f303e6ffbd56f09246;hb=56005a21e8f9f434212a19dcb628c6d3b179fd08;hp=fd5ee7c9df3e31404e4884793667e2ded8cc1cae;hpb=7c3f8da8f075e3813ced160d5b53a28c6f7dfe78;p=gnulib.git

diff --git a/m4/unlinkdir.m4 b/m4/unlinkdir.m4
index fd5ee7c9d..d3157ad99 100644
--- a/m4/unlinkdir.m4
+++ b/m4/unlinkdir.m4
@@ -1,6 +1,6 @@
-#serial 3
+# serial 7
 
-# Copyright (C) 2005 Free Software Foundation, Inc.
+# Copyright (C) 2005-2007, 2009-2011 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -11,24 +11,22 @@
 AC_DEFUN([gl_UNLINKDIR],
 [
   AC_REQUIRE([AC_CANONICAL_HOST])
-  AC_CHECK_HEADERS_ONCE(priv.h)
-
-  AC_LIBSOURCES([unlinkdir.c, unlinkdir.h])
-  AC_LIBOBJ([unlinkdir])
+  AC_CHECK_HEADERS_ONCE([priv.h])
 
   # The Hurd, the Linux kernel, the FreeBSD kernel version 2.2 and later,
-  # and Cygwin never let anyone (even root) unlink directories.
+  # Cygwin, and mingw never let anyone (even root) unlink directories.
   # If anyone knows of another system for which unlink can never
   # remove a directory, please report it to <bug-coreutils@gnu.org>.
   # Unfortunately this is difficult to test for, since it requires root access
   # and might create garbage in the file system,
   # so the code below simply relies on the kernel name and version number.
-  case $host in
-  *-*-gnu[0-9]* | \
-  *-*-linux-* | *-*-linux | \
-  *-*-freebsd2.2* | *-*-freebsd[3-9]* | *-*-freebsd[1-9][0-9]* | \
-  *-cygwin)
-    AC_DEFINE([UNLINK_CANNOT_UNLINK_DIR], 1,
+  case $host_os in
+  gnu[[0-9]]* | \
+  linux-* | linux | \
+  freebsd2.2* | freebsd[[3-9]]* | freebsd[[1-9]][[0-9]]* | \
+  cygwin | \
+  mingw*)
+    AC_DEFINE([UNLINK_CANNOT_UNLINK_DIR], [1],
       [Define to 1 if unlink (dir) cannot possibly succeed.]);;
   esac
 ])