python3Packages.jsonnet: 0.20.0 -> 0.21.0 (#405111)

diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt

index 3a52458..872e6c6 100644

--- a/cpp/CMakeLists.txt

+++ b/cpp/CMakeLists.txt

@@ -10,6 +10,7 @@ set(LIBJSONNETPP_SOURCE

 add_library(libjsonnet++ SHARED ${LIBJSONNETPP_HEADERS} ${LIBJSONNETPP_SOURCE})

 add_dependencies(libjsonnet++ jsonnet)

+target_link_libraries(libjsonnet++ libjsonnet)

 # target_link_libraries(libjsonnet libjsonnet)

 # CMake prepends CMAKE_SHARED_LIBRARY_PREFIX to shared libraries, so without

stdenv.mkDerivation rec {

  pname = "jsonnet";

  version = "0.20.0";

  version = "0.21.0";

  outputs = [

    "out"

    "doc"

    rev = "v${version}";

    owner = "google";

    repo = "jsonnet";

    sha256 = "sha256-FtVJE9alEl56Uik+nCpJMV5DMVVmRCnE1xMAiWdK39Y=";

    sha256 = "sha256-QHp0DOu/pqcgN7di219cHzfFb7fWtdGGE6J1ZXgbOGQ=";

  };

  nativeBuildInputs = [

      "-DBUILD_SHARED_BINARIES=${if stdenv.hostPlatform.isStatic then "OFF" else "ON"}"

    ];

  # https://github.com/google/jsonnet/issues/778

  patches = [

    ./fix-cpp-unresolved-symbols.patch

  ];

  enableParallelBuilding = true;

  # Upstream writes documentation in html, not in markdown/rst, so no