Hiho - I just built GHC HEAD on Mac OS X... and make test yields 4 unexpected failures. Is this something I should, er, expect? I'm just trying to calibrate myself for building GHC from source as part of Mac Haskell Platform packaging, and wondering if this (pre-final release) is something to expect, or something I should chase down: OVERALL SUMMARY for test run started at Sun Jan 19 21:02:36 2014 PST 0:33:45 spent to go through 3866 total tests, which gave rise to 16062 test cases, of which 12536 were skipped 26 had missing libraries 3458 expected passes 38 expected failures 0 caused framework failures 0 unexpected passes 4 unexpected failures Unexpected failures: cabal/cabal04 cabal04 [bad exit code] (normal) concurrent/should_run T5611 [bad stderr] (normal) perf/compiler T4801 [stat not good enough] (normal) th TH_spliceE5_prof [bad exit code] (normal) - Mark