Last login: Sat Oct 27 04:58:00 on console
Pi-Fi:~ sunfish7$ sudo gem install xcodeproj
Password:
Fetching: xcodeproj-0.3.5.gem (100%)
Building native extensions.  This could take a while...
Successfully installed xcodeproj-0.3.5
1 gem installed
Installing ri documentation for xcodeproj-0.3.5...
Installing RDoc documentation for xcodeproj-0.3.5...
Pi-Fi:~ sunfish7$
Last login: Sat Oct 27 13:33:45 on console
Pi-Fi:~ sunfish7$ which ruby
/Users/sunfish7/.rvm/rubies/ruby-1.9.3-p286/bin/ruby
Pi-Fi:~ sunfish7$ which gem
/Users/sunfish7/.rvm/rubies/ruby-1.9.3-p286/bin/gem
Pi-Fi:~ sunfish7$ gem list --local

*** LOCAL GEMS ***

actionmailer (3.2.8)
actionpack (3.2.8)
activemodel (3.2.8)
activerecord (3.2.8)
activeresource (3.2.8)
activesupport (3.2.8)
arel (3.0.2)
builder (3.0.4)
bundler (1.2.1)
erubis (2.7.0)
hike (1.2.1)
i18n (0.6.1)
journey (1.0.4)
json (1.7.5)
mail (2.4.4)
mime-types (1.19)
multi_json (1.3.6)
polyglot (0.3.3)
rack (1.4.1)
rack-cache (1.2)
rack-ssl (1.3.2)
rack-test (0.6.2)
rails (3.2.8)
railties (3.2.8)
rake (0.9.2.2)
rdoc (3.12)
rubygems-bundler (1.1.0)
rvm (1.11.3.5)
sprockets (2.1.3)
thor (0.16.0)
tilt (1.3.3)
treetop (1.4.11)
tzinfo (0.3.33)
xcodeproj (0.3.5)
Pi-Fi:~ sunfish7$ sudo /usr/bin/gem install xcodeproj
Password:
Building native extensions.  This could take a while...
ERROR:  Error installing xcodeproj:
    ERROR: Failed to build gem native extension.

/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb
checking for -std=c99 option to compiler... no
checking for CoreFoundation... no
checking for main() in -lCoreFoundation... no
CoreFoundation is needed to build the Xcodeproj C extension.
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers.  Check the mkmf.log file for more
details.  You may need configuration options.

Provided configuration options:
    --with-opt-dir
    --without-opt-dir
    --with-opt-include
    --without-opt-include=${opt-dir}/include
    --with-opt-lib
    --without-opt-lib=${opt-dir}/lib
    --with-make-prog
    --without-make-prog
    --srcdir=.
    --curdir
    --ruby=/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby
    --with-CoreFoundationlib
    --without-CoreFoundationlib


Gem files will remain installed in /Library/Ruby/Gems/1.8/gems/xcodeproj-0.3.5 for inspection.
Results logged to /Library/Ruby/Gems/1.8/gems/xcodeproj-0.3.5/ext/xcodeproj/gem_make.out
Pi-Fi:~ sunfish7$ locate ruby

WARNING: The locate database (/var/db/locate.database) does not exist.
To create the database, run the following command:

  sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.locate.plist

Please be aware that the database can take some time to generate; once
the database has been created, this message will no longer appear.

Pi-Fi:~ sunfish7$ sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.locate.plist
Password:
Pi-Fi:~ sunfish7$ locate ruby
WARNING: The locate database (/var/db/locate.database) does not exist.
To create the database, run the following command:

  sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.locate.plist

Please be aware that the database can take some time to generate; once
the database has been created, this message will no longer appear.

Pi-Fi:~ sunfish7$ sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.locate.plist
com.apple.locate: Already loaded