Merge trunk revision: 39366

* lib/rubygems/installer.rb (build_extensions):  Create extension
  install destination before building extension.  Patch by Kenta Murata.
  [ruby-trunk - Bug #7897]
* test/rubygems/test_gem_installer.rb:  Test for the above.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@39392 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/rubygems/installer.rb b/lib/rubygems/installer.rb
index 0865a6dd3d..fcfb2836dc 100644
--- a/lib/rubygems/installer.rb
+++ b/lib/rubygems/installer.rb
@@ -8,6 +8,7 @@ require 'rubygems/exceptions'
 require 'rubygems/package'
 require 'rubygems/ext'
 require 'rubygems/user_interaction'
+require 'fileutils'
 
 ##
 # The installer installs the files contained in the .gem into the Gem.home.
@@ -671,6 +672,8 @@ TEXT
                 end
 
       begin
+        FileUtils.mkdir_p dest_path
+
         Dir.chdir extension_dir do
           results = builder.build(extension, gem_dir, dest_path,
                                   results, @build_args)