title: How to Install boost via Homebrew?
body: <p>Installing boost failed.</p>
  
  <pre class="lang-none prettyprint-override"><code>==&gt; Exit Status: 1http://github.com/mxcl/homebrew/blob/master/Library/Formula/boost.rb#L69
  ==&gt; Environment
  HOMEBREW_VERSION: 0.8
  HEAD: 97fa532a10613cd314f08b15b06a20b866919689
  HOMEBREW_PREFIX: /usr/local
  HOMEBREW_CELLAR: /usr/local/Cellar
  HOMEBREW_REPOSITORY: /usr/local
  HOMEBREW_LIBRARY_PATH: /usr/local/Library/Homebrew
  Hardware: dual-core 64-bit penryn
  OS X: 10.6.8
  Kernel Architecture: i386
  Ruby: 1.8.7-174
  /usr/bin/ruby =&gt; /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby
  Xcode: 4.0.2
  GCC-4.0: build 5494
  GCC-4.2: build 5666
  LLVM: build 2335
  MacPorts or Fink? false
  X11 installed? true
  ==&gt; Build Flags
  
  CC: /Developer/usr/bin/llvm-gcc =&gt; /Developer/usr/llvm-gcc-4.2/bin/llvm-gcc-4.2
  CXX: /Developer/usr/bin/llvm-g++ =&gt; /Developer/usr/llvm-gcc-4.2/bin/llvm-g++-4.2
  LD: /Developer/usr/bin/llvm-gcc =&gt; /Developer/usr/llvm-gcc-4.2/bin/llvm-gcc-4.2
  CFLAGS: -O3 -march=core2 -msse4.1 -w -pipe
  CXXFLAGS: -O3 -march=core2 -msse4.1 -w -pipe
  MAKEFLAGS: -j2
  
  Error: Failed executing: ./bjam --prefix=/usr/local/Cellar/boost/1.47.0 --libdir=/usr/local/Cellar/boost/1.47.0/lib -j2 --layout=tagged --user-config=user-config.jam threading=multi install
  If `brew doctor' does not help diagnose the issue, please report the bug:
      https://github.com/mxcl/homebrew/wiki/checklist-before-filing-a-new-issue
  </code></pre>
  
  <p>How can I install boost?</p>
  
  <p>System Version: Mac OS X 10.6.8 (10K549)<br>
  Kernel Vesion: Darwin 10.8.0</p>