merges r21764 and r21765 from trunk into ruby_1_9_1.

* Makefile.in, win32/Makefile.sub (RMDIRS): remove directory and
  parents.

* Makefile.in, win32/Makefile.sub (distclean-rdoc): added to remove
  temprary rdoc.

* Makefile.in, win32/Makefile.sub (distclean): removes extout
  directory.

* Makefile.in, win32/Makefile.sub (clean-ext): skips non-existent
  directories.

* common.mk (clean, distclean): cleans rdoc.

* common.mk (clean-extout): removes extout directory.

* configure.in (RMDIRS, RMALL): added to clean extout.

* lib/fileutils.rb (FileUtils#rmdir): added :parents option.

* lib/mkmf.rb (create_makefile): cleans installed files at clean
  instead of distclean.

* lib/mkmf.rb (create_makefile): added clean-so and clean-rb.

* lib/mkmf.rb (def init_mkmf): added DISTCLEANDIRS.

* lib/un.rb (rmdir): added -p option.

* tool/rmdirs, win32/rmdirs.bat: removes directory and the parents.

* win32/rm.bat: added -r option.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@21833 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/lib/un.rb b/lib/un.rb
index 3dcdbede4a..42afeacc4e 100644
--- a/lib/un.rb
+++ b/lib/un.rb
@@ -158,11 +158,13 @@ end
 #
 #   ruby -run -e rmdir -- [OPTION] DIR
 #
+#   -p		remove DIRECTORY and its ancestors.
 #   -v		verbose
 #
 
 def rmdir
-  setup do |argv, options|
+  setup("p") do |argv, options|
+    options[:parents] = true if options.delete :p
     FileUtils.rmdir argv, options
   end
 end