sci-mathematics/primecount
Highly optimized CLI and library to count primes
USE Flags
+executable
* This flag is undocumented *
openmp
Global: Build support for the OpenMP (support parallel computing), requires >=sys-devel/gcc-4.2 built with USE="openmp"
test
Global: Workaround to pull in packages needed to run with FEATURES=test. Portage-2.1.2 handles this internally, so don't set it in make.conf/package.use anymore
cpu_flags_x86_popcnt
* This flag is undocumented *