sci-mathematics/gmp-ecm
Elliptic Curve Method for Integer Factorization
USE Flags
+custom-tune
* This flag is undocumented *
openmp
Global: Build support for the OpenMP (support parallel computing), requires >=sys-devel/gcc-4.2 built with USE="openmp"
cpu_flags_x86_sse2
* This flag is undocumented *