p4est

USE флаги

• debug - Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces
• doc - Add extra documentation (API, Javadoc, etc). It is recommended to enable per package instead of globally
• examples - Install examples, usually source code
• lua_single_target_lua5-1 - Build for Lua 5.1 only
• lua_single_target_lua5-3 - Build for Lua 5.3 only
• mpi - Add MPI (Message Passing Interface) layer to the apps that support it
• openmp - Build support for the OpenMP (support parallel computing), requires >=sys-devel/gcc-4.2 built with USE="openmp"
• romio - Build with support for the ROMIO MPI-IO component
• threads - Add threads support for various packages. Usually pthreads
• vtk-binary - Enable binary vtk output. If disabled vtk files will be written in ASCII text format.