Add uhc haskell compiler

pkgs/development/compilers/uhc/default.nix

@@ -0,0 +1,46 @@
+{ stdenv, coreutils, fetchgit, m4, libtool, clang, ghcWithPackages,
+  shuffle,
+  binary, hashable, mtl, network, uhc-util, uulib
+}:
+
+let wrappedGhc = ghcWithPackages ( self: [binary hashable mtl network uhc-util uulib] );
+in stdenv.mkDerivation rec {
+  version = "1.1.8.7";
+  name = "uhc-${version}";
+
+  src = fetchgit {
+    url = "https://github.com/UU-ComputerScience/uhc.git";
+    rev = "0dec07e9cb60e78bbca63fc101f8fec6e249269f";
+    sha256 = "0isz3qz23ihbn0rg54x8ddzwpsqlmmpkvaa66b7srfly7nciv8gl";
+  };
+
+  postUnpack = "sourceRoot=\${sourceRoot}/EHC";
+
+  buildInputs = [ m4 wrappedGhc clang libtool shuffle ];
+
+  configureFlags = [ "--with-gcc=${clang}/bin/clang" ];
+
+  # UHC builds packages during compilation; these are by default
+  # installed in the user-specific package config file. We do not
+  # want that, and hack the build process to use a temporary package
+  # configuration file instead.
+  preConfigure = ''
+    p=`pwd`/uhc-local-packages
+    echo '[]' > $p
+    sed -i "s|--user|--package-db=$p|g" mk/shared.mk.in
+    sed -i "s|-fglasgow-exts|-fglasgow-exts -package-conf=$p|g" mk/shared.mk.in
+    sed -i "s|/bin/date|${coreutils}/bin/date|g" mk/dist.mk
+    sed -i "s|/bin/date|${coreutils}/bin/date|g" mk/config.mk.in
+    sed -i "s|--make|--make -package-db=$p|g" src/ehc/files2.mk
+    sed -i "s|--make|--make -package-db=$p|g" src/gen/files.mk
+  '';
+
+  inherit clang;
+
+  meta = with stdenv.lib; {
+    homepage = "http://www.cs.uu.nl/wiki/UHC";
+    description = "Utrecht Haskell Compiler";
+    maintainers = [ maintainers.phausmann ];
+    platforms = stdenv.lib.platforms.unix;
+  };
+}