anchor.diff:      sha256 = "1qifwgrl6h232zsnvcx3kmb5d0fsy7j9zv17r3b4vln7x5rvzc66";
     };
   
  -  buildInputs = [ gcc unzip curl ];
  +  buildInputs = [ unzip curl ];
   
     buildPhase = ''
         cd src/dmd
         make -f posix.mak INSTALL_DIR=$out
         export DMD=$PWD/dmd
  -      cd ../druntime 
  +      cd ../druntime
         make -f posix.mak INSTALL_DIR=$out DMD=$DMD
         cd ../phobos
         make -f posix.mak INSTALL_DIR=$out DMD=$DMD
  
positive.code: { stdenv, fetchurl, gcc, unzip, curl }:
  
  stdenv.mkDerivation {
    name = "dmd-2.066.1";
  
negative.code:       mkdir $out
        mkdir $out/bin
        cp dmd $out/bin
  
        cd ../druntime
        mkdir $out/include
        mkdir $out/include/d2
        cp -r import/* $out/include/d2
  
        cd ../phobos
        mkdir $out/lib
        ${let bits = if stdenv.is64bit then "64" else "32"; in
        "cp generated/linux/release/${bits}/libphobos2.a $out/lib"
        }
  
        cp -r std $out/include/d2
        cp -r etc $out/include/d2
  
        cd $out/bin
        tee dmd.conf << EOF
        [Environment]
        DFLAGS=-I$out/include/d2 -L-L$out/lib -L--no-warn-search-mismatch -L--export-dynamic
        EOF
    '';
  
    meta = with stdenv.lib; {
      description = "D language compiler";
      homepage = http://dlang.org/;
      license = licenses.free; # parts under different licenses
      platforms = platforms.unix;
    };
  }
  
  