zeroc-ice: 3.6.3 -> 3.7.2

Rename from zeroc_ice.
Take various improvements from Arch zero-ice package.
Move old version to zeroc-ice-36.

pkgs/development/libraries/zeroc-ice/3.6.nix

@@ -0,0 +1,57 @@
+{ stdenv, lib, fetchFromGitHub, mcpp, bzip2, expat, openssl, db5
+, darwin, libiconv, Security
+, cpp11 ? false
+}:
+
+stdenv.mkDerivation rec {
+  pname = "zeroc-ice";
+  version = "3.6.3";
+
+  src = fetchFromGitHub {
+    owner = "zeroc-ice";
+    repo = "ice";
+    rev = "v${version}";
+    sha256 = "05xympbns32aalgcfcpxwfd7bvg343f16xpg6jv5s335ski3cjy2";
+  };
+
+  buildInputs = [ mcpp bzip2 expat openssl db5 ]
+    ++ lib.optionals stdenv.isDarwin [ darwin.cctools libiconv Security ];
+
+  postUnpack = ''
+    sourceRoot=$sourceRoot/cpp
+  '';
+
+  prePatch = lib.optional stdenv.isDarwin ''
+    substituteInPlace config/Make.rules.Darwin \
+        --replace xcrun ""
+  '';
+
+  preBuild = ''
+    makeFlagsArray+=(
+      "prefix=$out"
+      "OPTIMIZE=yes"
+      "USR_DIR_INSTALL=yes"
+      "CONFIGS=${if cpp11 then "cpp11-shared" else "shared"}"
+      "SKIP=slice2py" # provided by a separate package
+    )
+  '';
+
+  # cannot find -lIceXML (linking bin/transformdb)
+  enableParallelBuilding = false;
+
+  outputs = [ "out" "bin" "dev" ];
+
+  postInstall = ''
+    mkdir -p $bin $dev/share
+    mv $out/bin $bin
+    mv $out/share/Ice-* $dev/share/ice
+    rm -rf $out/share/slice
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = http://www.zeroc.com/ice.html;
+    description = "The internet communications engine";
+    license = licenses.gpl2;
+    platforms = platforms.unix;
+  };
+}