This is Gmsh, an automatic three-dimensional finite element mesh generator with built-in pre- and post-processing facilities. Gmsh is copyright (C) 1997-2017 C. Geuzaine and J.-F. Remacle, and is distributed under the terms of the GNU General Public License, Version 2 or later, with an exception to allow for easier linking with external libraries. See LICENSE.txt and CREDITS.txt for more information. See the doc/ and tutorial/ directories for documentation. The reference manual is located in doc/texinfo/. See the demos/ directory and the web site http://gmsh.info for additional examples. Building Gmsh from its source code requires a C++ compiler and CMake (http://cmake.org). Building the graphical user interface requires FLTK 1.3.2 or higher (http://fltk.org), configured with OpenGL support. Support for constructive solid geometry requires OpenCASCADE 6.9 or higher (version 7.1 is highly recommended; http://www.opencascade.com). Build Gmsh from the command line -------------------------------- * Create a build directory, for example as a subdirectory of Gmsh's source directory: mkdir build * Run cmake from within the build directory, pointing to Gmsh's source directory: cd build cmake .. * To build and install Gmsh then simply type make make install * To change build options you can use "ccmake" instead of "cmake", e.g.: ccmake .. or you can specify options directly on the command line. For example, you can use cmake -DCMAKE_PREFIX_PATH=/opt/local .. to specify the location of external packages installed in non-standard directories. You can use cmake -DCMAKE_INSTALL_PREFIX=/opt to change the installation directory. Or you can use cmake -DENABLE_FLTK=0 .. to build a version of Gmsh without the FLTK graphical interface. The list of all available configuration options is given in the reference manual. * You can keep multiple builds with different build options at the same time. For example, you could configure a debug graphical build in a "bin" subdirectory with cd bin cmake -DCMAKE_BUILD_TYPE=Debug .. make make install and configure a fairly minimal static library (with only the geometry and post-processing modules and the parser) in a "lib" subdirectory with cd lib cmake -DDEFAULT=0 -DENABLE_BUILD_LIB=1 -DENABLE_POST=1 -DENABLE_PARSER=1 .. make lib make install/fast (Note that "make install/fast" allows you to install only the target that you just built, i.e. "lib", and will not trigger the recompilation of the default target "gmsh".) * To see a detailed compilation log use make VERBOSE=1 Build Gmsh using CMake's graphical user interface ------------------------------------------------- * Launch CMake and fill-in the two top input fields (telling where the Gmsh source directory is located and where you want the Gmsh binary to be created). * Click on "Add entry" and define the variable CMAKE_PREFIX_PATH, of type "PATH", pointing to the location(s) of any external package(s) (FLTK, BLAS/LAPACK, etc.) installed in non-standard directories. * Click on "Configure" and choose your compiler. * Optionally change some configuration options (re-run "Configure" every time you change some options). * Once you are happy with all the configuration options, click on "Generate". * Go to the build directory and build Gmsh using your chosen compiler.