The following compilers can be used to build VisIt on the listed platforms, though this is not an exhaustive list and newer versions of these compilers often work.
|Linux||g++ 4.4 or later, g++ 4.8 or later when building FastBit|
|Windows XP,Vista,7||Microsoft Visual Studio 2012|
|MacOS X 10.8.5||g++ 4.2 or later|
|MacOS X 10.11.6||LLVM 7.3.0 (clang-703.0.29)|