This is list of officially supported compilers:
|GCC||GNU||Including GCC from Cygwin|
Please, add your environment if it's not listed below yet and you've built GRASS with it successfully.
|Operating System||Architecture||Compiler version||Notes|
Note, the list may actually include compilers listed below as unsupported, but it does not change a compiler support status.
This is list of officially not supported compilers: