Thank you for your comment. I've ended up installing 7.8.1 from the binary distributions from the GHC site: http://www.haskell.org/ghc/download_ghc_7_8_1 http:/

Thank you for your comment. I've ended up installing 7.8.1 from the binary distributions from the GHC site: http://www.haskell.org/ghc/download_ghc_7_8_1 http://www.haskell.org/ghc/download_ghc_7_8_1 As easy as: tar -xJvf ghc-7.8.1-i386-unknown-linux-deb7.tar.xz cd ghc-7.8.1 ./configure --prefix=/opt/ghc-7.8.1 make install