attempting to stall game with bundler and ashton

gistfile1.txt

Death-Lair-of-Killer-Bambi:blobs stickycake$ bundle install
Fetching gem metadata from http://rubygems.org/....
Using gosu (0.7.45) 
Using opengl (0.8.0.pre1) 
Using ashton (0.0.1alpha) from git://github.com/Spooner/ashton.git (at master) with native extensions 
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /Users/stickycake/.rvm/rubies/ruby-1.9.3-p194/bin/ruby extconf.rb 
creating extconf.h
creating Makefile

make
linking shared-object ashton/1.9/ashton.bundle
ld: duplicate symbol _rb_cColor in color.o and ashton.o for architecture x86_64
collect2: ld returned 1 exit status
make: *** [ashton.bundle] Error 1


Gem files will remain installed in /Users/stickycake/.rvm/gems/ruby-1.9.3-p194/bundler/gems/ashton-15e9bc2ff2c0 for inspection.
Results logged to /Users/stickycake/.rvm/gems/ruby-1.9.3-p194/bundler/gems/ashton-15e9bc2ff2c0/ext/ashton/gem_make.out
An error occured while installing ashton (0.0.1alpha), and Bundler cannot continue.
Make sure that `gem install ashton -v '0.0.1alpha'` succeeds before bundling.
Death-Lair-of-Killer-Bambi:blobs stickycake$ gem install ashton -v '0.0.1alpha'
Successfully installed ashton-0.0.1alpha
1 gem installed
Installing ri documentation for ashton-0.0.1alpha...
Installing RDoc documentation for ashton-0.0.1alpha...
Death-Lair-of-Killer-Bambi:blobs stickycake$ bundle install
Fetching gem metadata from http://rubygems.org/....
Using gosu (0.7.45) 
Using opengl (0.8.0.pre1) 
Using ashton (0.0.1alpha) from git://github.com/Spooner/ashton.git (at master) with native extensions 
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /Users/stickycake/.rvm/rubies/ruby-1.9.3-p194/bin/ruby extconf.rb 
creating extconf.h
creating Makefile

make
linking shared-object ashton/1.9/ashton.bundle
ld: duplicate symbol _rb_cColor in color.o and ashton.o for architecture x86_64
collect2: ld returned 1 exit status
make: *** [ashton.bundle] Error 1


Gem files will remain installed in /Users/stickycake/.rvm/gems/ruby-1.9.3-p194/bundler/gems/ashton-15e9bc2ff2c0 for inspection.
Results logged to /Users/stickycake/.rvm/gems/ruby-1.9.3-p194/bundler/gems/ashton-15e9bc2ff2c0/ext/ashton/gem_make.out
An error occured while installing ashton (0.0.1alpha), and Bundler cannot continue.
Make sure that `gem install ashton -v '0.0.1alpha'` succeeds before bundling.
Death-Lair-of-Killer-Bambi:blobs stickycake$