$PATH issues with rbenv and brew...

gistfile1.sh

$ echo $PATH
/opt/boxen/homebrew/include/:/Users/peterso/perl5/perlbrew/bin:/Users/peterso/perl5/perlbrew/perls/perl-5.16.0/bin:bin:/opt/boxen/rbenv/shims:/opt/boxen/rbenv/bin:/opt/boxen/rbenv/plugins/ruby-build/bin:node_modules/.bin:/opt/boxen/nodenv/shims:/opt/boxen/nodenv/bin:/opt/boxen/bin:/opt/boxen/homebrew/bin:/opt/boxen/homebrew/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/opt/X11/bin:bin:/opt/boxen/rbenv/shims:/opt/boxen/rbenv/bin:/opt/boxen/rbenv/plugins/ruby-build/bin:node_modules/.bin:/opt/boxen/nodenv/shims:/opt/boxen/nodenv/bin:/opt/boxen/bin:/opt/boxen/homebrew/bin:/opt/boxen/homebrew/sbin

$ ll /opt/boxen/homebrew/include/mpg123.h
lrwxr-xr-x  1 peterso  staff  40 19 Jul 14:14 /opt/boxen/homebrew/include/mpg123.h -> ../Cellar/mpg123/1.15.4/include/mpg123.h

$ bundle install
Fetching gem metadata from https://rubygems.org/...
Installing audite (0.3.0)
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /opt/boxen/rbenv/versions/1.9.3-p448/bin/ruby extconf.rb
checking for mpg123.h... no
*** 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=/opt/boxen/rbenv/versions/1.9.3-p448/bin/ruby
please install mpg123 headers


Gem files will remain installed in /opt/boxen/rbenv/versions/1.9.3-p448/lib/ruby/gems/1.9.1/gems/audite-0.3.0 for inspection.
Results logged to /opt/boxen/rbenv/versions/1.9.3-p448/lib/ruby/gems/1.9.1/gems/audite-0.3.0/ext/mpg123/gem_make.out

An error occurred while installing audite (0.3.0), and Bundler cannot continue.
Make sure that `gem install audite -v '0.3.0'` succeeds before bundling.