Installing postgres (0.7.9.2008.01.28) with native extensions /usr/local/ruby-1.9/lib/ruby/1.9.1/rubygems/installer.rb:483:in `rescue in block in build_extensions': ERROR: Failed to build gem native extension. (Gem::Installer::ExtensionBuildError)

/usr/local/ruby-1.9/bin/ruby extconf.rb
extconf.rb:4:in `<main>': uninitialized constant Object::PLATFORM (NameError)


Gem files will remain installed in /home/magictask/www/.ruby/gems/1.9/gems/postgres-0.7.9.2008.01.28 for inspection.
Results logged to /home/magictask/www/.ruby/gems/1.9/gems/postgres-0.7.9.2008.01.28/ext/gem_make.out
	from /usr/local/ruby-1.9/lib/ruby/1.9.1/rubygems/installer.rb:486:in `block in build_extensions'
	from /usr/local/ruby-1.9/lib/ruby/1.9.1/rubygems/installer.rb:446:in `each'
	from /usr/local/ruby-1.9/lib/ruby/1.9.1/rubygems/installer.rb:446:in `build_extensions'
	from /usr/local/ruby-1.9/lib/ruby/1.9.1/rubygems/installer.rb:198:in `install'
	from /home/magictask/www/.ruby/gems/1.9/gems/bundler-1.0.10/lib/bundler/source.rb:96:in `install'
	from /home/magictask/www/.ruby/gems/1.9/gems/bundler-1.0.10/lib/bundler/installer.rb:55:in `block in run'
	from /home/magictask/www/.ruby/gems/1.9/gems/bundler-1.0.10/lib/bundler/spec_set.rb:12:in `block in each'
	from /home/magictask/www/.ruby/gems/1.9/gems/bundler-1.0.10/lib/bundler/spec_set.rb:12:in `each'
	from /home/magictask/www/.ruby/gems/1.9/gems/bundler-1.0.10/lib/bundler/spec_set.rb:12:in `each'
	from /home/magictask/www/.ruby/gems/1.9/gems/bundler-1.0.10/lib/bundler/installer.rb:44:in `run'
	from /home/magictask/www/.ruby/gems/1.9/gems/bundler-1.0.10/lib/bundler/installer.rb:8:in `install'
	from /home/magictask/www/.ruby/gems/1.9/gems/bundler-1.0.10/lib/bundler/cli.rb:226:in `install'
	from /home/magictask/www/.ruby/gems/1.9/gems/bundler-1.0.10/lib/bundler/vendor/thor/task.rb:22:in `run'
	from /home/magictask/www/.ruby/gems/1.9/gems/bundler-1.0.10/lib/bundler/vendor/thor/invocation.rb:118:in `invoke_task'
	from /home/magictask/www/.ruby/gems/1.9/gems/bundler-1.0.10/lib/bundler/vendor/thor.rb:246:in `dispatch'
	from /home/magictask/www/.ruby/gems/1.9/gems/bundler-1.0.10/lib/bundler/vendor/thor/base.rb:389:in `start'
	from /home/magictask/www/.ruby/gems/1.9/gems/bundler-1.0.10/bin/bundle:13:in `<top (required)>'
	from /home/magictask/www/.ruby/gems/1.9/bin/bundle:19:in `load'
	from /home/magictask/www/.ruby/gems/1.9/bin/bundle:19:in `<main>'