checking for gfind... /opt/local/bin/gfind
checking for sort... /opt/local/bin/sort
checking for GHC version date... given 7.11.20150731
checking for GHC Git commit id... inferred aee19d08ec36b0ec5d0ed4fab2b63c78a80dbc23
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.