# USE=mixer emerge -va rubygame

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild     U ] dev-ruby/rubygame-2.0.1 [1.1.0] USE="gfx image mixer%* opengl truetype" 0 kB [1]

Total: 1 package (1 upgrade), Size of downloads: 0 kB
Portage tree and overlays:
 [0] /usr/portage
 [1] /usr/portage/local/myebuilds

Would you like to merge these packages? [Yes/No] y
>>> Verifying ebuild Manifests...

>>> Emerging (1 of 1) dev-ruby/rubygame-2.0.1 to /
 * rubygame-2.0.1.tar.bz2 MD5 RMD160 SHA1 SHA256 size ;-) ...                                                                                       [ ok ]
 * checking ebuild checksums ;-) ...                                                                                                                [ ok ]
 * checking auxfile checksums ;-) ...                                                                                                               [ ok ]
 * checking miscfile checksums ;-) ...                                                                                                              [ ok ]
 * checking rubygame-2.0.1.tar.bz2 ;-) ...                                                                                                          [ ok ]
>>> Unpacking source...
>>> Unpacking rubygame-2.0.1.tar.bz2 to /var/tmp/portage/dev-ruby/rubygame-2.0.1/work
>>> Source unpacked.
>>> Compiling source in /var/tmp/portage/dev-ruby/rubygame-2.0.1/work/rubygame-2.0.1 ...
(in /var/tmp/portage/dev-ruby/rubygame-2.0.1/work/rubygame-2.0.1)
Compiling rubygame/rubygame_main.c
Compiling rubygame/rubygame_shared.c
Compiling rubygame/rubygame_event.c
Compiling rubygame/rubygame_gl.c
Compiling rubygame/rubygame_joystick.c
Compiling rubygame/rubygame_screen.c
Compiling rubygame/rubygame_surface.c
Compiling rubygame/rubygame_time.c
Linking compiled files to create rubygame/rubygame_core.so
/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/../../../../i686-pc-linux-gnu/bin/ld: warning: creating a DT_TEXTREL in object.
Compiling rubygame/rubygame_gfx.c
Linking compiled files to create rubygame/rubygame_gfx.so
/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/../../../../i686-pc-linux-gnu/bin/ld: warning: creating a DT_TEXTREL in object.
Compiling rubygame/rubygame_image.c
Linking compiled files to create rubygame/rubygame_image.so
/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/../../../../i686-pc-linux-gnu/bin/ld: warning: creating a DT_TEXTREL in object.
Compiling rubygame/rubygame_mixer.c
Linking compiled files to create rubygame/rubygame_mixer.so
/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/../../../../i686-pc-linux-gnu/bin/ld: warning: creating a DT_TEXTREL in object.
Compiling rubygame/rubygame_ttf.c
Linking compiled files to create rubygame/rubygame_ttf.so
/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/../../../../i686-pc-linux-gnu/bin/ld: warning: creating a DT_TEXTREL in object.
>>> Source compiled.
>>> Test phase [not enabled]: dev-ruby/rubygame-2.0.1

>>> Install rubygame-2.0.1 into /var/tmp/portage/dev-ruby/rubygame-2.0.1/image/ category dev-ruby
(in /var/tmp/portage/dev-ruby/rubygame-2.0.1/work/rubygame-2.0.1)
Installing extensions to /usr/lib/ruby/site_ruby/1.8/i686-linux
Installing library to /usr/lib/ruby/site_ruby/1.8
>>> Completed installing rubygame-2.0.1 into /var/tmp/portage/dev-ruby/rubygame-2.0.1/image/

* checking 0 files for package collisions
>>> Merging dev-ruby/rubygame-2.0.1 to /
find: unknown predicate `--image/'
find: unknown predicate `--image/'
>>> dev-ruby/rubygame-2.0.1 merged.

 dev-ruby/rubygame
    selected: 1.1.0 
   protected: 2.0.1 
     omitted: none 

>>> 'Selected' packages are slated for removal.
>>> 'Protected' and 'omitted' packages will not be removed.

>>> Unmerging dev-ruby/rubygame-1.1.0...
No package files given... Grabbing a set.
<<<          obj /usr/lib/ruby/site_ruby/1.8/rubygame/string.rb
<<<          obj /usr/lib/ruby/site_ruby/1.8/rubygame/sprite.rb
<<<          obj /usr/lib/ruby/site_ruby/1.8/rubygame/sfont.rb
<<<          obj /usr/lib/ruby/site_ruby/1.8/rubygame/rect.rb
<<<          obj /usr/lib/ruby/site_ruby/1.8/rubygame/queue.rb
<<<          obj /usr/lib/ruby/site_ruby/1.8/rubygame/keyconstants.rb
<<<          obj /usr/lib/ruby/site_ruby/1.8/rubygame/event.rb
<<<          obj /usr/lib/ruby/site_ruby/1.8/rubygame/constants.rb
<<<          obj /usr/lib/ruby/site_ruby/1.8/rubygame/clock.rb
<<<          obj /usr/lib/ruby/site_ruby/1.8/rubygame.rb
<<<          obj /usr/lib/ruby/site_ruby/1.8/i686-linux/rubygame.so
--- !empty   dir /usr/lib/ruby/site_ruby/1.8/rubygame
--- !empty   dir /usr/lib/ruby/site_ruby/1.8/i686-linux
--- !empty   dir /usr/lib/ruby/site_ruby/1.8
--- !empty   dir /usr/lib/ruby/site_ruby
--- !empty   dir /usr/lib/ruby
--- !empty   dir /usr/lib
--- !empty   dir /usr
>>> Auto-cleaning packages...

>>> No outdated packages were found on your system.
 * GNU info directory index is up-to-date.