Using Homebrew with alternate GCC

Question

I've installed gcc-4.6 using the homebrew-alternatives gcc formula, but I can't seem to get it to use that GCC to install other formulas. Specifically Open-MPI and boost.

Does anyone know how to make Homebrew use this new compiler?

Thanks!

Answer 1

It looks like the latest versions of Homebrew now support the HOMEBREW_CC and HOMEBREW_CXX environment variables.

So now you can do the following:

$ HOMEBREW_CC=gcc-4.2 HOMEBREW_CXX=g++-4.2 brew install ice