Fixed tests on Windows (I hope) by forcing platform for
platform-dependent tests.
Fixed File.exists? warnings.
Improved testing infrastructure.
* test/rubygems: ditto.
* test/rdoc/test_rdoc_rubygems_hook.rb: Switch to util_spec like
RubyGems.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43651 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Fixes building extensions without a "clean" make rule
Adds gem dependency file autodetection to "gem install -g"
* test/rubygems: Tests for the above.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43299 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Fixed installing platform gems
Restored concurrent requires
Fixed installing gems with extensions with --install-dir
Fixed `gem fetch -v` to install the latest version
Fixed installing gems with "./" in their files entries
* test/rubygems/test_gem_package.rb: Tests for the above.
* NEWS: Updated for RubyGems 2.1.3
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42938 b2dd03c8-39d4-4d8f-98ff-823fe69b080e