anchor.diff:      # !!! substituteInPlace does not seems to be effective.
       sed -i 's,/lib/ld-linux.so.2,${loader386},' src/cmd/8l/asm.c
       sed -i 's,/lib64/ld-linux-x86-64.so.2,${loaderAmd64},' src/cmd/6l/asm.c
  +    sed -i 's,/lib64/ld-linux-x86-64.so.3,${loaderArm},' src/cmd/5l/asm.c
       sed -i 's,/usr/share/zoneinfo/,${glibc}/share/zoneinfo/,' src/pkg/time/zoneinfo_unix.go
   
       #sed -i -e 's,/bin/cat,${coreutils}/bin/cat,' \
  
positive.code: let
    loader386 = "${glibc}/lib/ld-linux.so.2";
    loaderAmd64 = "${glibc}/lib/ld-linux-x86-64.so.2";
  in
  
  stdenv.mkDerivation {
  
negative.code:   GOOS = "linux";
    GOARCH = if (stdenv.system == "i686-linux") then "386"
            else if (stdenv.system == "x86_64-linux") then "amd64"
            else if (stdenv.system == "armv5tel-linux") then "arm"
            else throw "Unsupported system";
    GOARM = stdenv.lib.optionalString (stdenv.system == "armv5tel-linux") "5";
  
    installPhase = ''
      mkdir -p "$out/bin"
  