#9945: export list for System.Posix.Internals breaking the build on Windows -------------------------------------+------------------------------------- Reporter: MartinF | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.11 Resolution: | Keywords: Operating System: Windows | Architecture: Type of failure: Building GHC | Unknown/Multiple failed | Test Case: Blocked By: | Blocking: Related Tickets: #9852 | Differential Revisions: -------------------------------------+------------------------------------- Comment (by MartinF): I've noticed something strange while looking into `peekFilePathLen` - this is where it's defined: {{{#!hs #ifdef mingw32_HOST_OS withFilePath :: FilePath -> (CWString -> IO a) -> IO a withFilePath = withCWString newFilePath :: FilePath -> IO CWString newFilePath = newCWString peekFilePath :: CWString -> IO FilePath peekFilePath = peekCWString #else withFilePath :: FilePath -> (CString -> IO a) -> IO a newFilePath :: FilePath -> IO CString peekFilePath :: CString -> IO FilePath peekFilePathLen :: CStringLen -> IO FilePath withFilePath fp f = getFileSystemEncoding >>= \enc -> GHC.withCString enc fp f newFilePath fp = getFileSystemEncoding >>= \enc -> GHC.newCString enc fp peekFilePath fp = getFileSystemEncoding >>= \enc -> GHC.peekCString enc fp peekFilePathLen fp = getFileSystemEncoding >>= \enc -> GHC.peekCStringLen enc fp #endif }}} So, `#ifdef mingw32_HOST_OS`, those three related functions all have types involving `CWString` - but if not, their types have `CString` instead. If CPP-conditional exports are generally wrong, would the same be true for exports with CPP-conditional types? -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9945#comment:12 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler