Compilers ¶ GCC (GNU Compiler Collection) GCC definition Wikipedia definition GCC versions GCC 9.1 (2019-05-07) GCC 8.3 (2019-02-22) LLVM LLVM definition Wikipedia definition History Compilers front-end Introduction Clang Compilers back-end Introduction emscripten LLVM versions LLVM 8.0 (2019-03)