This morning I downloaded and installed ghc-6.8.2-powerpc-apple-darwin.tar.bz2. I'm now getting link errors when I use ghc. For example, the simple program import qualified Data.IntSet as IntSet main = print $ IntSet.empty gives the errors: /usr/bin/ld: Undefined symbols: ___stginit_containerszm0zi1zi0zi1_DataziIntSet_ _containerszm0zi1zi0zi1_DataziIntSet_empty_closure _containerszm0zi1zi0zi1_DataziIntSet_zdf3_closure These symbols are defined in /usr/local/lib/ghc-6.8.2/lib/containers-0.1.0.1/libHScontainers-0.1.0.1.a, so apparently the linker is not finding this library. The same program does work in ghci, and in ghc-6.6 (which I was using previously). I've searched the list archives, and I haven't found any mention of this problem. Any help would be much appreciated! Robin