#10726: Upgrade MingW-w64 distributions for windows -------------------------------------+------------------------------------- Reporter: Phyx- | Owner: Type: task | Status: new Priority: normal | Milestone: 7.10.3 Component: Build System | Version: 7.11 Resolution: | Keywords: Operating System: Windows | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: #9218 #9014 | Differential Rev(s): Phab:D1123 #10435 | Wiki Page: | -------------------------------------+------------------------------------- Comment (by lukexi): Progress, sort of? {{{ $ stack test :linking bullet-mini-0.1.0.0: configure (lib + test) Configuring bullet-mini-0.1.0.0... Warning: Instead of 'ghc-options: -lmingwex' use 'extra-libraries: mingwex' Warning: Instead of 'ghc-options: -LC:\msys64\usr\local\ghc\mingw\x86_64-w64-mingw32\lib' use 'extra-lib- dirs: C:\msys64\usr\local\ghc\mingw\x86_64-w64-mingw32\lib' bullet-mini-0.1.0.0: build (lib + test) Preprocessing library bullet-mini-0.1.0.0... [1 of 1] Compiling Physics.Bullet ( src\Physics\Bullet.hs, .stack- work\dist\d96ab9d9\build\Physics\Bullet.o ) GHC runtime linker: fatal error: I found a duplicate definition for symbol coshf whilst processing object file C:\msys64\usr\local\ghc\mingw\x86_64-w64-mingw32\lib\libmingwex.a This could be caused by: * Loading two different object files which export the same symbol * Specifying the same object file twice on the GHCi command line * An incorrect `package.conf' entry, causing some object to be loaded twice. ghc.exe: panic! (the 'impossible' happened) (GHC version 7.10.2.20151030 for x86_64-unknown-mingw32): loadArchive "C:\\msys64\\usr\\local\\ghc\\mingw\\x86_64-w64-mingw32\\lib\\libmingwex.a": failed Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug }}} I used {{{ ghc-options: -LC:\msys64\usr\local\ghc\mingw\x86_64-w64-mingw32\lib -lmingwex }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10726#comment:36 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler