anchor.diff:  
       enableParallelBuilding = true;
   
  -    postInstall = ''
  +    postInstall =
  +    stdenv.lib.optionalString (!static) ''
         # If we're building dynamic libraries, then don't install static
         # libraries.
         if [ -n "$(echo $out/lib/*.so $out/lib/*.dylib $out/lib/*.dll)" ]; then
             rm "$out/lib/"*.a
         fi
   
  +    '' +
  +    ''
         mkdir -p $bin
         mv $out/bin $bin/
   
  
positive.code: , fetchpatch
  , withCryptodev ? false, cryptodevHeaders
  , enableSSL2 ? false
  }:
  
  with stdenv.lib;
  
negative.code:     '';
  
      configureFlags = [
        "shared" # "shared" builds both shared and static libraries
        "--libdir=lib"
        "--openssldir=etc/ssl"
      ] ++ stdenv.lib.optionals withCryptodev [
  