Adding /usr/bin/gcc-4.2 to path - installing ruby

Adding /usr/bin/gcc-4.2 to path - installing ruby

References

Reference NO 1

http://stackoverflow.com/questions/15204141/adding-usr-bin-gcc-4-2-to-path-installing-ruby

Reference NO 2

http://stackoverflow.com/questions/17783196/while-installing-ruby-you-requested-building-with-usr-local-bin-gcc-4-2-but

Reference NO 3

https://gist.github.com/zenkay/3237860

Reference NO 4

http://www.moncefbelyamani.com/how-to-install-xcode-homebrew-git-rvm-ruby-on-mac/

Reference NO 5

https://coderwall.com/p/dtbuqg

Reference NO 6

http://caiustheory.com/install-gcc-421-apple-build-56663-with-xcode-42

Reference NO 7

http://superuser.com/questions/400179/gcc-on-os-x-lion-with-xcode-4-3-1

Reference NO 8

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