Question

我正在尝试使用 libconfig 1.7.2 库在 Ubuntu 18.04 上运行简单的c ++应用程序，该库随 vcpkg版本2018.11.23-unknownhash < / strong>（适用于Windows的Microsoft C ++库管理器）， cmake版本为3.14.3 。静态库链接良好，并包含指定的路径，但错误仍然存在。有人可以帮我找到问题吗？

项目目录：

--test2 ----cmake ------CMakeHelpers.cmake ----include ------libconfig.h++ ----release ----src ------CMakeLists.txt ------test.cpp ----CMakeLists.txt

CMakeLists.txt

cmake_minimum_required(VERSION 3.12) set(CMAKE_CXX_STANDARD 17) set(CMAKE_VERBOSE_MAKEFILE ON) ############ Project name and version set (TEST_MAJOR_VERSION 1) set (TEST_MINOR_VERSION 0) set (TEST_PATCH_VERSION 0) set (TEST_VERSION ${TEST_MAJOR_VERSION}.${TEST_MINOR_VERSION}.${TEST_PATCH_VERSION}) # Include our cmake macros set (CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake) include (CMakeHelpers) add_subdirectory (src)

./ src / CMakeLists.txt

init_target (test) message (STATUS "set project " ${TARGET_NAME}) project (${TARGET_NAME} VERSION ${TEST_VERSION}) file (GLOB SOURCE_FILES *.cpp ) file (GLOB HEADER_FILES *.h ) find_library(LIBCONFIG_LOCATION libconfig++) include_directories(/home/pavels/dev/cpp/test2/include) include_directories(/home/pavels/dev/cpp/vcpkg/packages/libconfig_x64-linux/include) include_directories(/home/pavels/dev/cpp/vcpkg/installed/x64-linux/include) message (STATUS "Found LibConfig: " ${LIBCONFIG_LOCATION}) add_executable(${TARGET_NAME} ${SOURCE_FILES} ${HEADER_FILES}) target_link_libraries(test PRIVATE ${LIBCONFIG_LOCATION})

./ src / test.cpp

#include <iostream> #include <libconfig.h++> using namespace libconfig; int main(int argc, char* argv[]) { std::cout << "Hello guys" << std::endl; Config cfg; // Read the file. If there is an error, report it and exit. try { cfg.readFile("example.cfg"); } catch(const FileIOException &fioex) { std::cerr << "I/O error while reading file." << std::endl; return(EXIT_FAILURE); } catch(const ParseException &pex) { std::cerr << "Parse error at " << pex.getFile() << ":" << pex.getLine() << " - " << pex.getError() << std::endl; return(EXIT_FAILURE); } return 0; }

编译源：

>mkdir release;cd release >../../cmake .. -DCMAKE_TOOLCHAIN_FILE=/home/pavels/dev/cpp/vcpkg/scripts/buildsystems/vcpkg.cmake -- The C compiler identification is GNU 7.3.0 -- The CXX compiler identification is GNU 7.3.0 -- Check for working C compiler: /usr/bin/cc -- Check for working C compiler: /usr/bin/cc -- works -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Detecting C compile features -- Detecting C compile features - done -- Check for working CXX compiler: /usr/bin/c++ -- Check for working CXX compiler: /usr/bin/c++ -- works -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Detecting CXX compile features -- Detecting CXX compile features - done -- set project test -- Found LibConfig: /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a -- Configuring done -- Generating done -- Build files have been written to: /home/pavels/dev/cpp/test2/release >../../cmake --build . /home/pavels/cmake/cmake-3.14.3-Linux-x86_64/bin/cmake -S/home/pavels/dev/cpp/test2 -B/home/pavels/dev/cpp/test2/release --check-build-system CMakeFiles/Makefile.cmake 0 /home/pavels/cmake/cmake-3.14.3-Linux-x86_64/bin/cmake -E cmake_progress_start /home/pavels/dev/cpp/test2/release/CMakeFiles /home/pavels/dev/cpp/test2/release/CMakeFiles/prog ress.marks /usr/bin/make -f CMakeFiles/Makefile2 all make[1]: Entering directory '/home/pavels/dev/cpp/test2/release' /usr/bin/make -f src/CMakeFiles/test.dir/build.make src/CMakeFiles/test.dir/depend make[2]: Entering directory '/home/pavels/dev/cpp/test2/release' cd /home/pavels/dev/cpp/test2/release && /home/pavels/cmake/cmake-3.14.3-Linux-x86_64/bin/cmake -E cmake_depends "Unix Makefiles" /home/pavels/dev/cpp/test2 /home/pavels/dev/c pp/test2/src /home/pavels/dev/cpp/test2/release /home/pavels/dev/cpp/test2/release/src /home/pavels/dev/cpp/test2/release/src/CMakeFiles/test.dir/DependInfo.cmake --color= Scanning dependencies of target test make[2]: Leaving directory '/home/pavels/dev/cpp/test2/release' /usr/bin/make -f src/CMakeFiles/test.dir/build.make src/CMakeFiles/test.dir/build make[2]: Entering directory '/home/pavels/dev/cpp/test2/release' [ 50%] Building CXX object src/CMakeFiles/test.dir/test.cpp.o cd /home/pavels/dev/cpp/test2/release/src && /usr/bin/c++ -I/home/pavels/dev/cpp/test2/src -I/home/pavels/dev/cpp/test2/include -I/home/pavels/dev/cpp/vcpkg/packages/libconf ig_x64-linux/include -I/home/pavels/dev/cpp/vcpkg/installed/x64-linux/include -std=gnu++1z -o CMakeFiles/test.dir/test.cpp.o -c /home/pavels/dev/cpp/test2/src/test.cpp [100%] Linking CXX executable test cd /home/pavels/dev/cpp/test2/release/src && /home/pavels/cmake/cmake-3.14.3-Linux-x86_64/bin/cmake -E cmake_link_script CMakeFiles/test.dir/link.txt --verbose=1 /usr/bin/c++ -rdynamic CMakeFiles/test.dir/test.cpp.o -o test /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::Config()': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:320: undefined reference to `config_init' /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:321: undefined reference to `config_set_hook' /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:322: undefined reference to `config_set_destructor' /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:323: undefined reference to `config_set_include_func' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::~Config()': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:330: undefined reference to `config_destroy' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::clear()': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:338: undefined reference to `config_clear' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::setOptions(int)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:345: undefined reference to `config_set_options' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::getOptions() const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:352: undefined reference to `config_get_options' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::setOption(libconfig::Config::Option, bool)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:359: undefined reference to `config_set_option' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::getOption(libconfig::Config::Option) const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:366: undefined reference to `config_get_option' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::setTabWidth(unsigned short)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:385: undefined reference to `config_set_tab_width' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::getTabWidth() const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:392: undefined reference to `config_get_tab_width' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::setFloatPrecision(unsigned short)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:399: undefined reference to `config_set_float_precision' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::getFloatPrecision() const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:406: undefined reference to `config_get_float_precision' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::setIncludeDir(char const*)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:413: undefined reference to `config_set_include_dir' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::evaluateIncludePath(char const*, char const**)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:427: undefined reference to `config_default_include_func' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::read(_IO_FILE*)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:455: undefined reference to `config_read' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::readString(char const*)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:463: undefined reference to `config_read_string' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::write(_IO_FILE*) const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:471: undefined reference to `config_write' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::readFile(char const*)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:478: undefined reference to `config_read_file' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::writeFile(char const*)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:486: undefined reference to `config_write_file' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::lookup(char const*) const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:494: undefined reference to `config_lookup' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Config::exists(char const*) const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:505: undefined reference to `config_lookup' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::Setting(config_setting_t*)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:639: undefined reference to `config_setting_get_format' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::setFormat(libconfig::Setting::Format)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:673: undefined reference to `config_setting_set_format' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::operator bool() const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:682: undefined reference to `config_setting_get_bool' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::operator int() const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:691: undefined reference to `config_setting_get_int' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::operator unsigned int() const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:700: undefined reference to `config_setting_get_int' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::operator long long() const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:731: undefined reference to `config_setting_get_int64' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::operator unsigned long long() const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:740: undefined reference to `config_setting_get_int64' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::operator double() const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:751: undefined reference to `config_setting_get_float' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::operator float() const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:761: undefined reference to `config_setting_get_float' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::operator char const*() const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:770: undefined reference to `config_setting_get_string' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::operator std::__cxx11::basic_string<char, std::c har_traits<char>, std::allocator<char> >() const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:779: undefined reference to `config_setting_get_string' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::operator=(bool)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:794: undefined reference to `config_setting_set_bool' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::operator=(int)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:805: undefined reference to `config_setting_set_int' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::operator=(long long const&)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:826: undefined reference to `config_setting_set_int64' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::operator=(double const&)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:837: undefined reference to `config_setting_set_float' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::operator=(float)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:850: undefined reference to `config_setting_set_float' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::operator=(char const*)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:861: undefined reference to `config_setting_set_string' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::operator=(std::__cxx11::basic_string<char, std:: char_traits<char>, std::allocator<char> > const&)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:872: undefined reference to `config_setting_set_string' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::lookup(char const*) const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:883: undefined reference to `config_setting_lookup' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::operator[](char const*) const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:897: undefined reference to `config_setting_get_member' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::operator[](int) const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:912: undefined reference to `config_setting_get_elem' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::exists(char const*) const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:1004: undefined reference to `config_setting_get_member' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::getLength() const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:1013: undefined reference to `config_setting_length' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::getIndex() const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:1083: undefined reference to `config_setting_index' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::remove(char const*)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:1092: undefined reference to `config_setting_remove' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::remove(unsigned int)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:1103: undefined reference to `config_setting_remove_elem' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::add(char const*, libconfig::Setting::Type)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:1118: undefined reference to `config_setting_add' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::add(libconfig::Setting::Type)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:1152: undefined reference to `config_setting_add' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::assertType(libconfig::Setting::Type) const': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:1192: undefined reference to `config_get_option' /home/pavels/dev/cpp/vcpkg/installed/x64-linux/debug/lib/liblibconfig++.a(libconfigcpp.cc.o): In function `libconfig::Setting::wrapSetting(config_setting_t*)': /home/pavels/dev/cpp/vcpkg/buildtrees/libconfig/src/v1.7.2-ddbd1a1da6/lib/libconfigcpp.c++:1208: undefined reference to `config_setting_set_hook' collect2: error: ld returned 1 exit status src/CMakeFiles/test.dir/build.make:87: recipe for target 'src/test' failed make[2]: *** [src/test] Error 1 make[2]: Leaving directory '/home/pavels/dev/cpp/test2/release' CMakeFiles/Makefile2:93: recipe for target 'src/CMakeFiles/test.dir/all' failed make[1]: *** [src/CMakeFiles/test.dir/all] Error 2 make[1]: Leaving directory '/home/pavels/dev/cpp/test2/release' Makefile:86: recipe for target 'all' failed make: *** [all] Error 2

Answer 1

此问题已通过定义未定义函数的附加链接libconfig库得以解决。

./ src / CMakeLists.txt

init_target (test)
message (STATUS "set project " ${TARGET_NAME})
project (${TARGET_NAME} VERSION ${TEST_VERSION})

file (GLOB SOURCE_FILES
        *.cpp
        )
file (GLOB HEADER_FILES
        *.h
        )

find_library(LIBCONFIGPP_LOCATION libconfig++)
find_library(LIBCONFIG_LOCATION libconfig)

include_directories(/home/pavels/dev/cpp/test2/include)
include_directories(/home/pavels/dev/cpp/vcpkg/packages/libconfig_x64-linux/include)
include_directories(/home/pavels/dev/cpp/vcpkg/installed/x64-linux/include)

message (STATUS "Found LibConfig++: " ${LIBCONFIGPP_LOCATION})
message (STATUS "Found LibConfig: " ${LIBCONFIG_LOCATION})

add_executable(${TARGET_NAME} ${SOURCE_FILES} ${HEADER_FILES})
target_link_libraries(test PRIVATE ${LIBCONFIGPP_LOCATION} ${LIBCONFIG_LOCATION})

带libconfig库的c ++应用程序的cmake编译问题

1 个答案: