rdmd: Add (D language compiler helper).

pkgs/development/compilers/rdmd/default.nix

@@ -0,0 +1,29 @@
+{ stdenv, fetchurl, writeText, lib, dmd }:
+
+stdenv.mkDerivation {
+  name = "rdmd-2.064";
+
+  src = fetchurl {
+    url = https://raw2.github.com/D-Programming-Language/tools/2.064/rdmd.d;
+    sha256 = "0b1g3ng6bkanvg00r6xb4ycpbh9x8b9dw589av665azxbcraqrs1";
+    name = "rdmd-src";
+  };
+
+  buildInputs = [ dmd ];
+
+  builder = writeText "drmd-builder.sh" ''
+      source $stdenv/setup
+      cp $src rdmd.d
+      dmd rdmd.d
+      mkdir -p $out/bin
+      cp rdmd $out/bin/
+  '';
+
+  meta = {
+    description = "rdmd wrapper for D language compiler";
+    homepage = http://dlang.org/rdmd.html;
+    license = lib.licenses.boost;
+    maintainers = with stdenv.lib.maintainers; [ vlstill ];
+    platforms = stdenv.lib.platforms.unix;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -1744,6 +1744,8 @@ let
 
   rdiff_backup = callPackage ../tools/backup/rdiff-backup { };
 
+  rdmd = callPackage ../development/compilers/rdmd { };
+
   ripmime = callPackage ../tools/networking/ripmime {};
 
   rmlint = callPackage ../tools/misc/rmlint {};