configure: loading site script /mingw64/etc/config.site
checking for gfind... no
checking for find... /usr/bin/find
checking for sort... /usr/bin/sort
checking for GHC version date... inferred 8.7.20181017
checking for GHC Git commit id... inferred 46f2906d1c6e1fb732a90882487479a2ebf19ca1
checking for ghc... no
configure: error: GHC is required.
I have the haskell platform installed (8.4.3), yet it can't find GHC and I'm not sure if I missed something from the guide