title: $ bundle install: Failed to build gem native extension
body: <p>Using Snow leopard, Rails 3.0.3, ruby 1.9.2p0 and RVM. When trying to install bundle I get:</p>
  
  <pre><code>[first_app]$ bundle install
  Fetching source index for http://rubygems.org/
  Using rake (0.8.7) 
  Using abstract (1.0.0) 
  Using activesupport (3.0.3) 
  Using builder (2.1.2) 
  Using i18n (0.5.0) 
  Using activemodel (3.0.3) 
  Using erubis (2.6.6) 
  Using rack (1.2.1) 
  Using rack-mount (0.6.13) 
  Using rack-test (0.5.7) 
  Using tzinfo (0.3.24) 
  Using actionpack (3.0.3) 
  Using mime-types (1.16) 
  Using polyglot (0.3.1) 
  Using treetop (1.4.9) 
  Using mail (2.2.14) 
  Using actionmailer (3.0.3) 
  Using arel (2.0.7) 
  Using activerecord (3.0.3) 
  Using activeresource (3.0.3) 
  Using bundler (1.0.7) 
  Using thor (0.14.6) 
  Using railties (3.0.3) 
  Using rails (3.0.3) 
  Installing sqlite3 (1.3.3) with native extensions /Users/dawson/.rvm/rubies/ruby-1.9.2-p
  
  0/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)
  /Users/dawson/.rvm/rubies/ruby-1.9.2-p0/bin/ruby extconf.rb 
  checking for sqlite3.h... *** 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.
  </code></pre>