如何使用cmake向gnuradio块添加第三方库？

Question

在过去的两天里，我试图在gnuradio中创建新的块，但是当我尝试执行流图时，我经常会出错：

AttributeError: 'module' object has no attribute 'test'

我认为第三方库( opennn )存在一些问题，我试图在导入opennn头文件的project.In主源文件(test_impl.cc)中使用它。在funtion general_work中，我调用函数：

   int
    test_impl::general_work (int noutput_items,
                       gr_vector_int &ninput_items,
                       gr_vector_const_void_star &input_items,
                       gr_vector_void_star &output_items)
    {
      const float *in = (const float *) input_items[0];
      float *out = (float *) output_items[0];
       OpenNN::NeuralNetwork nn(8, 1, 1);

      // Do <+signal processing+>
      // Tell runtime system how many input items we consumed on
      // each input stream.
      consume_each (noutput_items);

      // Tell runtime system how many output items we produced.
      return noutput_items;
    }

我的lib/CMakeLists.txt ( lib文件夹中有自动生成的gnuradio块源文件和带有opennn库的dir)：

########################################################################
# Setup library
########################################################################
include(GrPlatform) #define LIB_SUFFIX

include_directories(${Boost_INCLUDE_DIR})
link_directories(${Boost_LIBRARY_DIRS})

list(APPEND tutorial3_sources
    test_impl.cc
)

set(tutorial3_sources "${tutorial3_sources}" PARENT_SCOPE)
if(NOT tutorial3_sources)
    MESSAGE(STATUS "No C++ sources... skipping lib/")
    return()
endif(NOT tutorial3_sources)

add_library(gnuradio-tutorial3 SHARED ${tutorial3_sources})
target_link_libraries(gnuradio-tutorial3 ${Boost_LIBRARIES} ${GNURADIO_ALL_LIBRARIES})
set_target_properties(gnuradio-tutorial3 PROPERTIES DEFINE_SYMBOL "gnuradio_tutorial3_EXPORTS")

if(APPLE)
    set_target_properties(gnuradio-tutorial3 PROPERTIES
        INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/lib"
    )
endif(APPLE)
########################################################################
# Install built library files
########################################################################
include(GrMiscUtils)
GR_LIBRARY_FOO(gnuradio-tutorial3 RUNTIME_COMPONENT "tutorial3_runtime" DEVEL_COMPONENT "tutorial3_devel")

########################################################################
# Build and register unit test
########################################################################
include(GrTest)

include_directories(${CPPUNIT_INCLUDE_DIRS})

list(APPEND test_tutorial3_sources
    ${CMAKE_CURRENT_SOURCE_DIR}/test_tutorial3.cc
    ${CMAKE_CURRENT_SOURCE_DIR}/qa_tutorial3.cc
)

add_executable(test-tutorial3 ${test_tutorial3_sources})

target_link_libraries(
  test-tutorial3
  ${GNURADIO_RUNTIME_LIBRARIES}
  ${Boost_LIBRARIES}
  ${CPPUNIT_LIBRARIES}
  gnuradio-tutorial3
)

GR_ADD_TEST(test_tutorial3 test-tutorial3)

########################################################################
# Print summary
########################################################################
message(STATUS "Using install prefix: ${CMAKE_INSTALL_PREFIX}")
message(STATUS "Building for version: ${VERSION} / ${LIBVER}")

我尝试添加以下代码：

########################################################################
# Install opennn library files
########################################################################
add_subdirectory(tinyxml2)
add_subdirectory(opennn)
include_directories(opennn)
add_subdirectory(examples)
add_subdirectory(blank)
add_subdirectory(tests)
include(CPack)

老实说，我尝试过以多种方式修改这个CMake文件，但我总是会收到这个错误。

Answer 1

你的问题给了我解决问题的线索，我认为这和这里描述的一样，但我不确定。在我的例子中，解决方案是将缺少的外部库yaml-cpp添加到文件lib/CMakeLists.txt中的target_link_libraries指令中，用于target_link_libraries模块。

target_link_libraries(gnuradio-AUK gnuradio::gnuradio-runtime yaml-cpp)

我添加了一些C++ YAML代码来解析配置文件。它编译得很好，但却给出了一个令人费解的信息：

AttributeError: module ... has no attribute ...

现在都修好了。非常感谢你提供的线索。