-- GHC's rts package:
hackRtsPackage index =
case PackageIndex.lookupPackageName index (PackageName "rts") of
- [(_,[rts])] -> PackageIndex.insert rts{ Installed.ldOptions = [] } index
+ [(_,[rts])] ->
+ PackageIndex.insert rts{
+ Installed.ldOptions = [],
+ Installed.libraryDirs = filter (not . ("gcc-lib" `isSuffixOf`)) (Installed.libraryDirs rts)} index
+ -- GHC <= 6.12 had $topdir/gcc-lib in their
+ -- library-dirs for the rts package, which causes
+ -- problems when we try to use the in-tree mingw,
+ -- due to accidentally picking up the incompatible
+ -- libraries there. So we filter out gcc-lib from
+ -- the RTS's library-dirs here.
_ -> error "No (or multiple) ghc rts package is registered!!"
dep_ids = map snd (externalPackageDeps lbi)