From 3977beb8ed091606ff025c918368a2f94863da84 Mon Sep 17 00:00:00 2001
From: Adam Vandenberg <flangy@gmail.com>
Date: Thu, 16 Jun 2011 20:55:59 -0700
Subject: [PATCH] Make these methods on ENV.

---
 Library/Homebrew/extend/ENV.rb | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/Library/Homebrew/extend/ENV.rb b/Library/Homebrew/extend/ENV.rb
index ee2849da24..9696ebe906 100644
--- a/Library/Homebrew/extend/ENV.rb
+++ b/Library/Homebrew/extend/ENV.rb
@@ -18,15 +18,15 @@ module HomebrewEnvExtension
       self['CMAKE_PREFIX_PATH'] = "#{HOMEBREW_PREFIX}"
     end
 
-    if MACOS_VERSION >= 10.6 and (self['HOMEBREW_USE_CLANG'] or ARGV.include? '--use-clang')
+    if MACOS_VERSION >= 10.6 and self.use_clang?
       self['CC'] = "#{MacOS.xcode_prefix}/usr/bin/clang"
       self['CXX'] = "#{MacOS.xcode_prefix}/usr/bin/clang++"
       cflags = ['-O3'] # -O4 makes the linker fail on some formulae
-    elsif MACOS_VERSION >= 10.6 and (self['HOMEBREW_USE_LLVM'] or ARGV.include? '--use-llvm')
+    elsif MACOS_VERSION >= 10.6 and self.use_llvm?
       self['CC'] = "#{MacOS.xcode_prefix}/usr/bin/llvm-gcc"
       self['CXX'] = "#{MacOS.xcode_prefix}/usr/bin/llvm-g++"
       cflags = ['-O4'] # link time optimisation baby!
-    elsif MACOS_VERSION >= 10.6 and (self['HOMEBREW_USE_GCC'] or ARGV.include? '--use-gcc')
+    elsif MACOS_VERSION >= 10.6 and self.use_gcc?
       self['CC'] = "#{MacOS.xcode_prefix}/usr/bin/gcc"
       self['CXX'] = "#{MacOS.xcode_prefix}/usr/bin/g++"
       cflags = ['-O3']
@@ -292,4 +292,14 @@ Please take one of the following actions:
     remove 'CFLAGS', f
     remove 'CXXFLAGS', f
   end
+
+  def use_clang?
+    self['HOMEBREW_USE_CLANG'] or ARGV.include? '--use-clang'
+  end
+  def use_gcc?
+    self['HOMEBREW_USE_GCC'] or ARGV.include? '--use-gcc'
+  end
+  def use_llvm?
+    self['HOMEBREW_USE_LLVM'] or ARGV.include? '--use-llvm'
+  end
 end