From 2e42f37a020ce9c94f7d41e69b3e3ffec43a54ce Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 31 Aug 2012 05:27:44 +0000
Subject: [PATCH] mkmf.rb: fix race conditions at install-ext

* lib/mkmf.rb (create_makefile): fix race conditions at install-ext.
  target files need to depend on destination directory timestamp
  files, not phony trgets.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36863 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog   | 6 ++++++
 lib/mkmf.rb | 4 ++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 298d83e97a..f6c7125ed8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Fri Aug 31 14:27:39 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/mkmf.rb (create_makefile): fix race conditions at install-ext.
+	  target files need to depend on destination directory timestamp
+	  files, not phony trgets.
+
 Fri Aug 31 14:03:45 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* vm_trace.c (clean_hooks): do not access freed memory.
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 367b344095..39113b5130 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -2152,8 +2152,8 @@ static: $(STATIC_LIB)#{$extout ? " install-rb" : ""}
         end
         for f in files
           dest = "#{dir}/#{File.basename(f)}"
-          mfile.print("install-rb#{sfx}: #{dest} #{timestamp_file(dir)}\n")
-          mfile.print("#{dest}: #{f}\n")
+          mfile.print("install-rb#{sfx}: #{dest}\n")
+          mfile.print("#{dest}: #{f} #{timestamp_file(dir)}\n")
           mfile.print("\t$(Q) $(#{$extout ? 'COPY' : 'INSTALL_DATA'}) #{f} $(@D#{sep})\n")
           if defined?($installed_list) and !$extout
             mfile.print("\t@echo #{dest}>>$(INSTALLED_LIST)\n")