gistfile1.rb

Installing sqlite3 (1.3.6) with native extensions 
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /Users/filtercake/.rvm/rubies/ruby-1.9.3-p125/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.

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/filtercake/.rvm/rubies/ruby-1.9.3-p125/bin/ruby
	--with-sqlite3-dir
	--without-sqlite3-dir
	--with-sqlite3-include
	--without-sqlite3-include=${sqlite3-dir}/include
	--with-sqlite3-lib
	--without-sqlite3-lib=${sqlite3-dir}/lib
	--enable-local
	--disable-local
/Users/filtercake/.rvm/rubies/ruby-1.9.3-p125/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/filtercake/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:506:in `try_cpp'
	from /Users/filtercake/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:970:in `block in find_header'
	from /Users/filtercake/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:790:in `block in checking_for'
	from /Users/filtercake/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:284:in `block (2 levels) in postpone'
	from /Users/filtercake/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:254:in `open'
	from /Users/filtercake/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:284:in `block in postpone'
	from /Users/filtercake/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:254:in `open'
	from /Users/filtercake/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:280:in `postpone'
	from /Users/filtercake/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:789:in `checking_for'
	from /Users/filtercake/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:969:in `find_header'
	from extconf.rb:34:in `<main>'


Gem files will remain installed in /Users/filtercake/.rvm/gems/ruby-1.9.3-p125/gems/sqlite3-1.3.6 for inspection.
Results logged to /Users/filtercake/.rvm/gems/ruby-1.9.3-p125/gems/sqlite3-1.3.6/ext/sqlite3/gem_make.out
An error occured while installing sqlite3 (1.3.6), and Bundler cannot continue.
Make sure that `gem install sqlite3 -v '1.3.6'` succeeds before bundling.