10. Programming notes

Gmsh is written in C++, the scripting language is parsed using Lex and Yacc (actually, Flex and Bison), and the GUI relies on OpenGL for the 3D graphics and FLTK (http://www.fltk.org) for the widget set. Gmsh's build system is based on autoconf. Practical notes on how to compile Gmsh's source code are included in the distribution. See Frequently asked questions, for more information.