sys-devel/gcc-4.9.2
sys-devel/gcc-5.0_alpha20141207: needed for ARM, and vor AVX512
dev-lang/nasm-2.11.06: needed for AVX512
sys-devel/binutils-2.25_pre20141211: for the AVX512 support
dev-libs/openssl-1.0.2_pre20141209