ghc 8.6.3 fails to build on macOS Sierra, High Sierra and Mojave (10.12 to 10.14)
We at Homebrew are trying to upgrade the ghc version we ship to 8.6.3. However, many test failures are occurring: https://github.com/Homebrew/homebrew-core/pull/35773
SUMMARY for test run started at Tue Jan 8 18:16:47 2019 GMT 0:55:14 spent to go through 6521 total tests, which gave rise to 25300 test cases, of which 18851 were skipped 28 had missing libraries 5900 expected passes 90 expected failures 0 caused framework failures 0 caused framework warnings 1 unexpected passes 422 unexpected failures 8 unexpected stat failures
I am attaching the full build output.