anchor.diff:    };
   
     thrussh-libsodium = attrs: {
  -    buildInputs = [ pkgconfig libsodium ];
  +    nativeBuildInputs = [ pkgconfig ];
  +    buildInputs = [ libsodium ];
     };
   
     xcb = attrs: {
  
positive.code:   };
  
    libz-sys = attrs: {
      buildInputs = [ pkgconfig zlib ];
      extraLinkFlags = ["-L${zlib.out}/lib"];
    };
  
    curl-sys = attrs: {
      buildInputs = [ pkgconfig zlib curl ];
      propagatedBuildInputs = [ curl zlib ];
      extraLinkFlags = ["-L${zlib.out}/lib"];
    };
  
    dbus = attrs: {
      buildInputs = [ pkgconfig dbus ];
    };
  
    foundationdb-sys = 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: {
  