buildinputs="$ghc" source $stdenv/setup || exit 1 tar xvfz $src || exit 1 cd helium-* || exit 1 cd lvm/src || exit 1 ./configure --prefix $out || exit 1 cd ../../heliumNT || exit 1 ./configure --prefix=$out || exit 1 cd src || exit 1 make depend || exit 1 make EXTRA_HC_OPTS=-O2 || exit 1 make install