mathgl

USE флаги

• doc - Add extra documentation (API, Javadoc, etc). It is recommended to enable per package instead of globally
• fltk - Add support for the Fast Light Toolkit gui interface
• gif - Add GIF image support
• glut - Build an OpenGL plugin using the GLUT library
• gsl - Use the GNU scientific library for calculations
• hdf - Add support for the Hierarchical Data Format v.4 sci-libs/hdf
• hdf5 - Add support for the Hierarchical Data Format v5
• jpeg - Add JPEG image support
• l10n_ru - Russian
• mpi - Add MPI (Message Passing Interface) layer to the apps that support it
• octave - Add bindings for sci-mathematics/octave
• opengl - Add support for OpenGL (3D graphics)
• openmp - Build support for the OpenMP (support parallel computing), requires >=sys-devel/gcc-4.2 built with USE="openmp"
• pdf - Add general support for PDF (Portable Document Format), this replaces the pdflib and cpdflib flags
• png - Add support for libpng (PNG images)
• qt5 - Add support for the Qt 5 application and UI framework
• static-libs - Build static versions of dynamic libraries as well
• threads - Add threads support for various packages. Usually pthreads
• wxwidgets - Add support for wxWidgets/wxGTK GUI toolkit
• zlib - Add support for zlib (de)compression