Tue Nov 28 11:48:34 UTC 2017

Repository : ssh://git@git.haskell.org/haddock

On branches: alexbiehl-patch-1,ghc-head,ghc-head1,haddock-quick,headdock-library-1.4.5,ie_avails,master,pr-filter-maps,pr/cabal-desc,travis,v2.18,wip/T12942,wip/T13163,wip/T14529,wip/embelleshed-rdr,wip/new-tree-one-param,wip/rae,wip/remove-frames,wip/remove-frames1,wip/revert-ttg-2017-11-20,wip/ttg-2017-10-13,wip/ttg-2017-10-31,wip/ttg-2017-11-06,wip/ttg2-2017-11-10,wip/ttg3-2017-11-12,wip/ttg4-constraints-2017-11-13,wip/ttg6-unrevert-2017-11-22
Link       : http://git.haskell.org/haddock.git/commitdiff/a5946c015e372750fd8d2054bb8a7e975149c9cc

>---------------------------------------------------------------

commit a5946c015e372750fd8d2054bb8a7e975149c9cc
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Fri Dec 9 09:48:41 2016 -0500

    haddock-api: Don't use stdcall calling convention on 64-bit Windows
    
    See GHC #12890.


>---------------------------------------------------------------

a5946c015e372750fd8d2054bb8a7e975149c9cc
 haddock-api/src/Haddock.hs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/haddock-api/src/Haddock.hs b/haddock-api/src/Haddock.hs
index 5e8f4a4..6a784f4 100644
--- a/haddock-api/src/Haddock.hs
+++ b/haddock-api/src/Haddock.hs
@@ -576,7 +576,15 @@ getExecDir = try_size 2048 -- plenty, PATH_MAX is 512 under Win32.
           _ | ret < size -> fmap (Just . dropFileName) $ peekCWString buf
             | otherwise  -> try_size (size * 2)
 
-foreign import stdcall unsafe "windows.h GetModuleFileNameW"
+# if defined(i386_HOST_ARCH)
+#  define WINDOWS_CCONV stdcall
+# elif defined(x86_64_HOST_ARCH)
+#  define WINDOWS_CCONV ccall
+# else
+#  error Unknown mingw32 arch
+# endif
+
+foreign import WINDOWS_CCONV unsafe "windows.h GetModuleFileNameW"
   c_GetModuleFileName :: Ptr () -> CWString -> Word32 -> IO Word32
 #else
 getExecDir = return Nothing

