smartos-x86_64-head (SmartOS/x86_64 HEAD (Alain O'Dea)), build 479, Failure

[Builder]

smartos-x86_64-head (SmartOS/x86_64 HEAD (Alain O'Dea)), build 479

Build failed
Details: http://haskell.inf.elte.hu/builders/smartos-x86_64-head/479.html

git clone                    | Success
git clone (Windows tarballs) | Success
create mk/build.mk           | Success
repo versions                | Success
touching clean-check files   | Success
setting version date         | Success
booting                      | Success
configuring                  | Failure: Just (ExitFailure 1)

Build failed
Details: http://haskell.inf.elte.hu/builders/smartos-x86_64-head/479.html

-------------- next part --------------
checking for gfind... /opt/local/bin/gfind
checking for sort... /opt/local/bin/sort
checking for GHC version date... given 7.11.20150801
checking for GHC Git commit id... inferred ad089f58be522cb68c0306c21c5df9d72b6c0aff
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.