#16153: ghc 8.6.3 fails to build on macOS Sierra, High Sierra and Mojave (10.12 to 10.14) -------------------------------------+------------------------------------- Reporter: fxcoudert | Owner: (none) Type: bug | Status: infoneeded Priority: normal | Milestone: Component: Compiler | Version: 8.6.3 Resolution: | Keywords: Operating System: MacOS X | Architecture: x86_64 Type of failure: GHC doesn't work | (amd64) at all | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by bgamari): * status: new => infoneeded Comment: Most of the test failures I see in that log are of the form: {{{ =====> T9776(normal) 1124 of 6521 [0, 129, 0] cd "./driver/T9776.run" && "/private/tmp/ghc-20190108-10122-1a2rxgx/ghc-8.6.3/inplace/bin/ghc-stage2" -c T9776.hs -dcore-lint -dcmm-lint -no-user-package-db -rtsopts -fno-warn- missed-specialisations -fshow-warning-groups -fdiagnostics-color=never -fno-diagnostics-show-caret -dno-debug-output -drule-check--- /dev/null 2019-01-08 18:24:33.000000000 +0000 +++ ./driver/write_interface_oneshot.run/write_interface_oneshot.run.stderr.normalised 2019-01-08 18:24:33.000000000 +0000 @@ -0,0 +1 @@ +make[3]: warning: jobserver unavailable: using -j1. Add `+' to parent make rule. }}} This is because `-j` was passed to `make test`. Try removing `-j` from the `make test` invocation. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/16153#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler