Remove deprecated `fails_with :llvm` directive

• Remove deprecated fails_with :llvm directive (#21)

Remove deprecated GCC packages

• Removes older apple-gcc42 and gcc48 packages to prevent issues such as boxen/puppet-homebrew#98 (#20)

3.0.2: Merge pull request #18 from boxen/remove-gcc42

• remove deprecated Apple GCC 4.2 code

3.0.1: Merge pull request #17 from boxen/gcc-el-capitan

• OS X El Capitan (10.11) support

3.0.0

• GCC 5

2.2.3: Merge pull request #15 from boxen/gcc48

• GCC 4.8.4

2.2.2: Merge pull request #14 from boxen/el-capitan

• Use gcc48 on all platforms by default (particularly 10.11)

Fix gcc error with CLT 6.3

Merge pull request #13 from mriddle/gcc-xcode-6-3-bug

gcc: Work around broken bootstrap with Xcode 6.3

Yosemite Support

Merge pull request #12 from boxen/yosemite

Install gcc48 on Yosemite

2.1.1: Merge pull request #8 from boxen/fix-gcc48-formula

Restore homebrew-versions for gcc