Perché brew non collega correttamente gcc? Cosa mi manca?
$>brew install gcc49 --without-multilib
==> Installing gcc49 from homebrew/homebrew-versions
==> Downloading http://ftpmirror.gnu.org/gcc/gcc-4.9.3/gcc-4.9.3.tar.bz2
==> Downloading from http://gnu.mirror.iweb.com/gcc/gcc-4.9.3/gcc-4.9.3.tar.bz2
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==> ../configure --build=x86_64-apple-darwin13.4.0 --prefix=/usr/local/Cellar/gcc49/4.9.3 --libdir=/usr/local/Cellar/gcc49/4.9.3/lib/gc
==> make bootstrap
==> make install