Command line option to suppress LLVM version warning
When developing I'm sometimes testing the LLVM backend and often it's with a development version. In this case I'd like to be able to configure my
mk/build.mk to suppress the annoying version constraint warning, since I know what llc etc it will use. It makes the build output a lot less annoying.
Attached is a patch. It's undocumented, since it's probably is only useful to developers.