Build support for the OpenMP (support parallel computing), requires >=sys-devel/gcc-4.2 built with USE="openmp"

Packages describing “openmp” as local USE flag

Package“openmp” Flag Description
dev-cpp/eigenAdd test support for the OpenMP (support parallel computing)
dev-lang/ispcBuild with OpenMP task model (otherwise, TBB task model is used).
sci-libs/blisUse openmp threadding model
sci-libs/caffe2Use OpenMP for parallel code
sys-devel/clang-runtimeInstall sys-libs/libomp for -fopenmp support

All packages providing a “openmp” USE flag (109)