-brew install https://raw.github.com/Homebrew/homebrew-dupes/master/gcc.rb \
- --use-llvm
-export IMAKECPP=/usr/local/bin/cpp-4.7
+brew_prefix=`brew --prefix`
+
+#brew install https://raw.github.com/Homebrew/homebrew-dupes/master/gcc.rb \
+# --use-llvm
+#brew install apple-gcc42
+#export IMAKECPP=/usr/local/bin/cpp-4.2
+brew install gcc
+export IMAKECPP=${brew_prefix}/bin/cpp