anchor.diff:    arpack_ver = "3.1.2";
     clp_ver = "1.14.5";
     lighttpd_ver = "1.4.29";
  +  patchelf_ver = "0.6";
   
     grisu_src = fetchurl {
       url = "http://double-conversion.googlecode.com/files/double-conversion-${grisu_ver}.tar.gz";
  
positive.code:   preBuild = ''
      make -C test/unicode all SHELL="${stdenv.shell}"
      make -C extras glpk_h.jl GLPK_PREFIX="$GLPK_PREFIX" SHELL="${stdenv.shell}"
    '';
  
    postInstall = ''
  
negative.code:       cp "$1" "$2/$(basename "$1" | sed -e 's/^[a-z0-9]*-//')"
      }
  
      for i in "${grisu_src}" "${dsfmt_src}" "${arpack_src}" "${clp_src}" "${patchelf_src}" ; do
        copy_kill_hash "$i" deps
      done
      copy_kill_hash "${dsfmt_src}" deps/random
  
      ${if realGcc ==null then "" else 
      ''export NIX_LDFLAGS="$NIX_LDFLAGS -L${realGcc}/lib -L${realGcc}/lib64 -lpcre -llapack -lm -lfftw3f -lfftw3 -lglpk -lunistring -lz "''}
      export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -fPIC "
  
      sed -e 's@ cpp @ gcc -E @g' -i base/Makefile
  
  