anchor.diff:    };
   
     libz-sys = attrs: {
  -    buildInputs = [ pkgconfig zlib ];
  +    nativeBuildInputs = [ pkgconfig ];
  +    buildInputs = [ zlib ];
       extraLinkFlags = ["-L${zlib.out}/lib"];
     };
   
     curl-sys = attrs: {
  -    buildInputs = [ pkgconfig zlib curl ];
  +    nativeBuildInputs = [ pkgconfig ];
  +    buildInputs = [ zlib curl ];
       propagatedBuildInputs = [ curl zlib ];
       extraLinkFlags = ["-L${zlib.out}/lib"];
     };
   
     dbus = attrs: {
  -    buildInputs = [ pkgconfig dbus ];
  +    nativeBuildInputs = [ pkgconfig ];
  +    buildInputs = [ dbus ];
     };
   
     foundationdb-sys = attrs: {
  
positive.code:   };
  
    thrussh-libsodium = attrs: {
      buildInputs = [ pkgconfig libsodium ];
    };
  
    xcb = attrs: {
  
negative.code: 
    libgit2-sys = attrs: {
      LIBGIT2_SYS_USE_PKG_CONFIG = true;
      nativeBuildInputs = [ pkgconfig ];
      buildInputs = [ openssl zlib libgit2 ];
    };
  
    libsqlite3-sys = attrs: {
      nativeBuildInputs = [ pkgconfig ];
      buildInputs = [ sqlite ];
    };
  
    libssh2-sys = attrs: {
      nativeBuildInputs = [ pkgconfig ];
      buildInputs = [ openssl zlib libssh2 ];
    };
  
    libdbus-sys = attrs: {
      nativeBuildInputs = [ pkgconfig ];
      buildInputs = [ dbus ];
    };
  
    openssl = attrs: {
  