Subject: [PATCH] mkmf.rb: fix race conditions at install-ext

Upstream-Status: backport

* 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

Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
---
 lib/mkmf.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 556684c..a277354 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -2055,7 +2055,7 @@ static: $(STATIC_LIB)#{$extout ? " install-rb" : ""}
       for f in files
         dest = "#{dir}/#{File.basename(f)}"
         mfile.print("install-rb#{sfx}: #{dest}\n")
-        mfile.print("#{dest}: #{f}\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")
--
2.0.0