runhaskell --version (return code: 0)
runghc 8.0.2
runhaskell --help (return code: 0)
Usage: runghc [runghc flags] [GHC flags] module [program args]
The runghc flags are
-f /path/to/ghc Tell runghc where GHC is
--ghc-arg=<arg> Pass an option or argument to GHC
--help Print this usage information
--version Print version number