#13805: GHC 8.0.2 fails to build on macOS 10.13/Xcode 9 - preprocessor error in ghc-pkg -------------------------------------+------------------------------------- Reporter: mistydemeo | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: ghc-pkg | Version: 8.0.2 Resolution: | Keywords: Operating System: MacOS X | Architecture: x86_64 Type of failure: Building GHC | (amd64) failed | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by mistydemeo): After looking into it, I think the problem is that the editor placeholder check is too lax, which I've reported to clang with a patch: https://bugs.llvm.org/show_bug.cgi?id=33394 `<#>` doesn't meet the requirements because it has only a single hash, but the check matched it by accident. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13805#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler