anchor.diff:      sed -e "s@/usr/local/lib@$out/lib@g" -i deps/Makefile
       sed -e "s@/usr/lib@$out/lib@g" -i deps/Makefile
       
  -    export makeFlags="$makeFlags PREFIX=$out" 
  +    export makeFlags="$makeFlags PREFIX=$out SHELL=${stdenv.shell}"
   
       export dontPatchELF=1
     '';
   
     preBuild = ''
  -    make -C test/unicode all
  -    make -C extras glpk_h.jl GLPK_PREFIX="$GLPK_PREFIX"
  +    make -C test/unicode all SHELL="${stdenv.shell}"
  +    make -C extras glpk_h.jl GLPK_PREFIX="$GLPK_PREFIX" SHELL="${stdenv.shell}"
     '';
   
     postInstall = ''
  
positive.code: 
    src = fetchgit {
      url = "git://github.com/JuliaLang/julia.git";
      rev = "e1ba1ebf09da42a5bd7f4ed18f1595ae06032b4c";
      sha256 = "187e67a7c6bf44469e0e0dda41072ac8f3a40380ea9364ed07a4cadc08965663";
    };
  
    buildInputs = [ gfortran perl m4 gmp pcre llvm readline zlib
  
negative.code: in
  stdenv.mkDerivation rec {
    pname = "julia";
    date = "20121106";
    name = "${pname}-git-${date}";
  
    grisu_ver = "1.1.1";
  