checking for gfind... /opt/local/bin/gfind
checking for sort... /opt/local/bin/sort
checking for GHC version date... given 7.11.20150727
checking for GHC Git commit id... inferred 474d4ccc6e4a3bea93be16cb7daef6ffcdf9b663
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.