gistfile1.txt

gem install rails
Building native extensions.  This could take a while...
ERROR:  Error installing rails:
  ERROR: Failed to build gem native extension.

        /Users/toreystriffolino/.rvm/rubies/ruby-1.9.3-p448/bin/ruby extconf.rb
*** 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
	--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=/Users/toreystriffolino/.rvm/rubies/ruby-1.9.3-p448/bin/ruby
	--with-atomic_reference-dir
	--without-atomic_reference-dir
	--with-atomic_reference-include
	--without-atomic_reference-include=${atomic_reference-dir}/include
	--with-atomic_reference-lib
	--without-atomic_reference-lib=${atomic_reference-dir}/lib
/Users/toreystriffolino/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/mkmf.rb:381:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
You have to install development tools first.
	from /Users/toreystriffolino/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/mkmf.rb:461:in `try_link0'
	from /Users/toreystriffolino/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/mkmf.rb:712:in `try_run'
	from extconf.rb:26:in `<main>'


Gem files will remain installed in /Users/toreystriffolino/.rvm/gems/ruby-1.9.3-p448@rails3tutorial2ndEd/gems/atomic-1.1.14 for inspection.
Results logged to /Users/toreystriffolino/.rvm/gems/ruby-1.9.3-p448@rails3tutorial2ndEd/gems/atomic-1.1.14/ext/gem_make.out
Macintosh:~ toreystriffolino$