haskell@gentoo.org Gentoo Haskell Install the binary version directly, rather than using it to build the source version. Enable DWARF-based baclktraces using dev-libs/elfutils. Internal: Bootstrap GHC from an existing GHC installation. Internal: Build binary friendly for redistribution. use dev-libs/gmp for integer operations (works faster, but an external depend). Enable NUMA thread balancing policy using sys-process/numactl.