checking for gfind... /opt/local/bin/gfind
checking for sort... /opt/local/bin/sort
checking for GHC version date... given 7.11.20150729
checking for GHC Git commit id... inferred f83aab95f59ae9b29f22fc7924e050512229cb9c
checking for ghc... /opt/local/bin/ghc
checking version of ghc... 7.6.3
configure: error: GHC version 7.8 or later is required to compile GHC.