diff --git a/haskell/haskell-platform/haskell-platform.SlackBuild b/haskell/haskell-platform/haskell-platform.SlackBuild
index b119e9a8b0..5204ecaa88 100644
--- a/haskell/haskell-platform/haskell-platform.SlackBuild
+++ b/haskell/haskell-platform/haskell-platform.SlackBuild
@@ -4,11 +4,8 @@
 #
 # Written by Jockey S. Kyd (jockey dot kyd at gmail dot com)
 # Public domain
-
-# 20120712 Christoph Willing <c.willing@uq.edu.au>
-#  - bump version to 2012.2.0.0
-#  - add configure option --enable-unsupported-ghc-version
-#    (to allow latest ghc version used in current SBo)
+#
+# From 20120712, Christoph Willing <c.willing@uq.edu.au>
 
 PRGNAM=haskell-platform
 VERSION=${VERSION:-2012.2.0.0}
@@ -56,32 +53,23 @@ find . \
   \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
   -exec chmod 644 {} \;
 
-# If using freeflut, the libs may have been
-# named either libglut.* (replacing mesa's libglut.*) or libfreeglut.*
-strings /usr/lib${LIBDIRSUFFIX}/libglut.so |grep glEnd >/dev/null 2>/dev/null
-if [ $? -eq 0 ]; then
-  GLUTFLAGS="-lglut "
-else
-  GLUTFLAGS="-lfreeglut "
-fi
+# Ensure libdir is passed to each package
+patch -p0 < $CWD/honour_libdir.diff
+
+# get path and version of ghc
+GHC_VERSION=$(ghc --numeric-version)
 
 # Recommended ghc version for this haskell-platform is ghc-7.4.1 but
 # to allow for other ghc versions (current SBo is ghc-7.4.2),
 # configure needs the --enable-unsupported-ghc-version option.
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
-LDFLAGS="$GLUTFLAGS" \
 ./configure \
   --enable-unsupported-ghc-version \
   --prefix=/usr \
   --mandir=/usr/man \
   --docdir=/usr/doc/$PRGNAM-$VERSION \
-  --libdir=/usr/lib${LIBDIRSUFFIX}
-
-# get path and version of ghc
-eval $(grep '^GHC=' scripts/config)
-eval $(grep '^GHC_PKG=' scripts/config)
-GHC_VERSION=$($GHC --numeric-version)
+  --libdir=/usr/lib${LIBDIRSUFFIX}/ghc-${GHC_VERSION}
 
 make
 
diff --git a/haskell/haskell-platform/honour_libdir.diff b/haskell/haskell-platform/honour_libdir.diff
new file mode 100644
index 0000000000..0270e89dc4
--- /dev/null
+++ b/haskell/haskell-platform/honour_libdir.diff
@@ -0,0 +1,10 @@
+--- scripts/build.sh.orig	2012-05-28 04:26:48.000000000 +1000
++++ scripts/build.sh	2012-09-20 11:12:27.131353968 +1000
+@@ -86,6 +86,7 @@
+   fi
+ 
+   tell ./Setup configure --package-db="../../${PACKAGE_DB}" --prefix="${prefix}" \
++    --libdir=${libdir} --libsubdir=$PKG \
+     --with-compiler=${GHC} --with-hc-pkg=${GHC_PKG} --with-hsc2hs=${HSC2HS} \
+     ${HAPPY_FLAG1} ${HAPPY_FLAG2} ${ALEX_FLAG} \
+     ${CABAL_INSTALL_FLAG} ${CABAL_PROFILING_FLAG} \