From ba3d6005837aab1815131512ca4918f17ee12d07 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 23 Sep 2012 12:48:15 +0000
Subject: [PATCH] mkmf.rb: directory timestamp

* lib/mkmf.rb (create_makefile): use timestamp file dependencies for
  directories.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37016 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog   | 5 ++++-
 lib/mkmf.rb | 6 +++---
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index e1120065aa..8b84f776c2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,7 @@
-Sun Sep 23 21:46:12 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Sun Sep 23 21:48:08 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/mkmf.rb (create_makefile): use timestamp file dependencies for
+	  directories.
 
 	* lib/mkmf.rb: unexpand macros.
 
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index b16465da48..a01d317756 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -2126,14 +2126,14 @@ static: $(STATIC_LIB)#{$extout ? " install-rb" : ""}
     if target
       f = "$(DLLIB)"
       dest = "#{dir}/#{f}"
-      mfile.puts dest
       if $extout
+        mfile.puts dest
         mfile.print "clean-so::\n"
         mfile.print "\t-$(Q)$(RM) #{fseprepl[dest]}\n"
         mfile.print "\t-$(Q)$(RMDIRS) #{fseprepl[dir]}#{$ignore_error}\n"
       else
-        mfile.print "#{dest}: #{f}\n\t-$(Q)$(MAKEDIRS) $(@D#{sep})\n"
-        mfile.print "\t$(INSTALL_PROG) #{fseprepl[f]} $(@D#{sep})\n"
+        mfile.print "#{f} #{timestamp_file(dir)}\n"
+        mfile.print "\t$(INSTALL_PROG) #{fseprepl[f]} #{dir}\n"
         if defined?($installed_list)
           mfile.print "\t@echo #{dir}/#{File.basename(f)}>>$(INSTALLED_LIST)\n"
         end