--- ghc-6.12.3/libraries/Cabal/Cabal/Distribution/Simple/InstallDirs.hs~	2010-06-09 20:10:19.000000000 +0200
+++ ghc-6.12.3/libraries/Cabal/Cabal/Distribution/Simple/InstallDirs.hs	2010-08-26 21:28:52.969002660 +0200
@@ -205,7 +205,7 @@
 -- users to be able to configure @--libdir=\/usr\/lib64@ for example but
 -- because by default we want to support installing multiple versions of
 -- packages and building the same package for multiple compilers we append the
--- libsubdir to get: @\/usr\/lib64\/$pkgid\/$compiler@.
+-- libsubdir to get: @\/usr\/lib64\/$compiler\/$pkgid@.
 --
 -- An additional complication is the need to support relocatable packages on
 -- systems which support such things, like Windows.
@@ -236,7 +236,7 @@
            JHC    -> "$compiler"
            LHC    -> "$compiler"
            UHC    -> "$pkgid"
-           _other -> "$pkgid" </> "$compiler",
+           _other -> "$compiler" </> "$pkgid",
       dynlibdir    = "$libdir",
       libexecdir   = case buildOS of
         Windows   -> "$prefix" </> "$pkgid"