OS X Mountain Lion: gcc-4.2 No such file or directory

Question

Tried to install a gem on Mountain Lion and make couldn\'t find gcc-4.2:

kamil$ gem install posix-spawn -v \'0.3.6\'
Building native extensions.  This could          


        

Answer 1

Install simply apple-gcc42 with brew. It generate gcc-4.2 .

brew install apple-gcc42

So we do not need symlinks, which apple update may remove.

Homebrew