我正在尝试在Windows上使用CMake构建我的应用程序。我使用3个第三方库：Nlohmann Json和Curl，我通过Vcpkg和mysql-connector-cpp链接，我使用msi安装程序。
这是我的CMakeLists.txt
cmake_minimum_required(VERSION 3.15)project(SpeedyGo)set(CMAKE_PREFIX_PATH"C:/vcpkg/installed/x86-windows""C:/vcpkg/packages/nlohmann-json_x86-windows/share/nlohmann_json""C:/vcpkg/packages/curl_x86-windows/share/curl""C:/Program Files/MySQL/MySQL Connector C++ 8.1")find_package(CURL CONFIG REQUIRED)find_package(nlohmann_json CONFIG REQUIRED)add_executable(main main.cpp)target_include_directories(main PRIVATE"C:/Program Files/MySQL/MySQL Connector C++ 8.1/include"${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/include)target_link_libraries(main PRIVATE CURL::libcurl)target_link_libraries(main PRIVATE nlohmann_json::nlohmann_json)target_link_libraries(main PRIVATE mysqlcppconn8)target_link_libraries(main PRIVATE-L"C:/vcpkg/installed/x86-windows/bin"-L"C:/Program Files/MySQL/MySQL Connector C++ 8.1/lib64/vs14")
这是我的vcpkg.json，我在这里设置了需要安装的lib：
cmake_minimum_required(VERSION 3.15)project(SpeedyGo)set(CMAKE_PREFIX_PATH"C:/vcpkg/installed/x86-windows""C:/vcpkg/packages/nlohmann-json_x86-windows/share/nlohmann_json""C:/vcpkg/packages/curl_x86-windows/share/curl""C:/Program Files/MySQL/MySQL Connector C++ 8.1")find_package(CURL CONFIG REQUIRED)find_package(nlohmann_json CONFIG REQUIRED)add_executable(main main.cpp)target_include_directories(main PRIVATE"C:/Program Files/MySQL/MySQL Connector C++ 8.1/include"${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/include)target_link_libraries(main PRIVATE CURL::libcurl)target_link_libraries(main PRIVATE nlohmann_json::nlohmann_json)target_link_libraries(main PRIVATE mysqlcppconn8)target_link_libraries(main PRIVATE-L"C:/vcpkg/installed/x86-windows/bin"-L"C:/Program Files/MySQL/MySQL Connector C++ 8.1/lib64/vs14")
.vscode配置文件（c_cpp_properties.json）：
{"configurations": [{"name": "Win32","includePath": ["${workspaceFolder}/**","${vcpkgRoot}/x64-windows/include","${vcpkgRoot}/x86-windows/include","C:/vcpkg/installed/x86-windows/include","C:/vcpkg/packages/nlohmann-json_x86-windows/include","C:/vcpkg/packages/curl_x86-windows/include","C:/Program Files/MySQL/MySQL Connector C++ 8.1/include"],"defines": ["_DEBUG","UNICODE","_UNICODE"],"windowsSdkVersion": "10.0.22621.0","compilerPath": "C:/Mingw/bin/g++.exe","cStandard": "c17","cppStandard": "c++17","intelliSenseMode": "${default}","configurationProvider": "ms-vscode.cmake-tools"}],"version": 4}
settings.json文件：
{"cmake.configureArgs": ["-DCMAKE_TOOLCHAIN_FILE=C:\\vcpkg\\scripts\\buildsystems\\vcpkg.cmake"],"files.associations": {"*.json": "jsonc","iomanip": "cpp","new": "cpp","array": "cpp","atomic": "cpp","*.tcc": "cpp","bitset": "cpp","cctype": "cpp","chrono": "cpp","clocale": "cpp","cmath": "cpp","codecvt": "cpp","condition_variable": "cpp","cstdarg": "cpp","cstddef": "cpp","cstdint": "cpp","cstdio": "cpp","cstdlib": "cpp","cstring": "cpp","ctime": "cpp","cwchar": "cpp","cwctype": "cpp","deque": "cpp","forward_list": "cpp","list": "cpp","unordered_map": "cpp","unordered_set": "cpp","vector": "cpp","exception": "cpp","algorithm": "cpp","any": "cpp","functional": "cpp","iterator": "cpp","map": "cpp","memory": "cpp","memory_resource": "cpp","numeric": "cpp","optional": "cpp","random": "cpp","ratio": "cpp","set": "cpp","string": "cpp","string_view": "cpp","system_error": "cpp","tuple": "cpp","type_traits": "cpp","utility": "cpp","fstream": "cpp","initializer_list": "cpp","iosfwd": "cpp","iostream": "cpp","istream": "cpp","limits": "cpp","mutex": "cpp","ostream": "cpp","sstream": "cpp","stdexcept": "cpp","streambuf": "cpp","thread": "cpp","cinttypes": "cpp","typeinfo": "cpp","valarray": "cpp"},"cmake.sourceDirectory": "C:/Users/Sorin/Documents/GitHub/SpeedyGo/src","cmake.configureSettings": {"VCPKG_TARGET_TRIPLET": "x86-windows"}}
CMake配置过程运行良好：
[main] Configuring project: SpeedyGo[driver] Removing c:/Users/Sorin/Documents/GitHub/SpeedyGo/build/CMakeCache.txt[driver] Removing c:\Users\Sorin\Documents\GitHub\SpeedyGo\build\CMakeFiles[proc] Executing command: C:\cmake\bin\cmake.EXE --no-warn-unused-cli -DCMAKE_TOOLCHAIN_FILE=C:\vcpkg\scripts\buildsystems\vcpkg.cmake -DCMAKE_BUILD_TYPE:STRING=Debug -DVCPKG_TARGET_TRIPLET:STRING=x86-windows -DCMAKE_EXPORT_COMPILE_COMMANDS:BOOL=TRUE -DCMAKE_C_COMPILER:FILEPATH=C:\MinGW\bin\gcc.exe -DCMAKE_CXX_COMPILER:FILEPATH=C:\MinGW\bin\g++.exe -SC:/Users/Sorin/Documents/GitHub/SpeedyGo/src -Bc:/Users/Sorin/Documents/GitHub/SpeedyGo/build -G "MinGW Makefiles"[cmake] Not searching for unused variables given on the command line.[cmake] -- Running vcpkg install[cmake] Detecting compiler hash for triplet x64-windows...[cmake] Detecting compiler hash for triplet x86-windows...[cmake] All requested packages are currently installed.[cmake] Total install time: 300 ns[cmake] curl provides CMake targets:[cmake][cmake] # this is heuristically generated, and may not be correct[cmake] find_package(CURL CONFIG REQUIRED)[cmake] target_link_libraries(main PRIVATE CURL::libcurl)[cmake][cmake] The package nlohmann-json provides CMake targets:[cmake][cmake] find_package(nlohmann_json CONFIG REQUIRED)[cmake] target_link_libraries(main PRIVATE nlohmann_json::nlohmann_json)[cmake][cmake] The package nlohmann-json can be configured to not provide implicit conversions via a custom triplet file:[cmake][cmake] set(nlohmann-json_IMPLICIT_CONVERSIONS OFF)[cmake][cmake] For more information, see the docs here:[cmake][cmake] https://json.nlohmann.me/api/macros/json_use_implicit_conversions/[cmake][cmake] -- Running vcpkg install - done[cmake] -- The C compiler identification is GNU 6.3.0[cmake] -- The CXX compiler identification is GNU 6.3.0[cmake] -- Detecting C compiler ABI info[cmake] -- Detecting C compiler ABI info - done[cmake] -- Check for working C compiler: C:/MinGW/bin/gcc.exe - skipped[cmake] -- Detecting C compile features[cmake] -- Detecting C compile features - done[cmake] -- Detecting CXX compiler ABI info[cmake] -- Detecting CXX compiler ABI info - done[cmake] -- Check for working CXX compiler: C:/MinGW/bin/g++.exe - skipped[cmake] -- Detecting CXX compile features[cmake] -- Detecting CXX compile features - done[cmake] -- Found ZLIB: optimized;C:/Users/Sorin/Documents/GitHub/SpeedyGo/build/vcpkg_installed/x86-windows/lib/zlib.lib;debug;C:/Users/Sorin/Documents/GitHub/SpeedyGo/build/vcpkg_installed/x86-windows/debug/lib/zlibd.lib (found suitable version "1.2.13", minimum required is "1")[cmake] -- Found nlohmann_json: C:/vcpkg/installed/x86-windows/share/nlohmann_json/nlohmann_jsonConfig.cmake (found version "3.11.2")[cmake] -- Configuring done (12.6s)[cmake] -- Generating done (0.0s)[cmake] -- Build files have been written to: C:/Users/Sorin/Documents/GitHub/SpeedyGo/build
- ！！-我得到的构建错误-！！！！！！！！！！！！！！：****
[main] Building folder: SpeedyGo[build] Starting build[proc] Executing command: C:\cmake\bin\cmake.EXE --build c:/Users/Sorin/Documents/GitHub/SpeedyGo/build --config Debug --target all -j 14 --[build] [ 50%] Building CXX object CMakeFiles/main.dir/main.cpp.obj[build] [100%] Linking CXX executable main.exe[build] CMakeFiles\main.dir/objects.a(main.cpp.obj): In function `check_lib':[build] C:/PROGRA~1/MySQL/MYSQLC~1.1/include/jdbc/cppconn/driver.h:82: undefined reference to `check(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'[build] C:/PROGRA~1/MySQL/MYSQLC~1.1/include/jdbc/cppconn/driver.h:83: undefined reference to `check(std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > const&)'[build] CMakeFiles\main.dir/objects.a(main.cpp.obj): In function `get_driver_instance_by_name':[build] C:/PROGRA~1/MySQL/MYSQLC~1.1/include/jdbc/cppconn/driver.h:95: undefined reference to `_get_driver_instance_by_name'[build] CMakeFiles\main.dir/objects.a(main.cpp.obj): In function `get_driver_instance_by_name':[build] C:/PROGRA~1/MySQL/MYSQLC~1.1/include/jdbc/mysql_driver.h:116: undefined reference to `sql::mysql::_get_driver_instance_by_name(char const*)'[build] collect2.exe: error: ld returned 1 exit status[build] mingw32-make.exe[2]: *** [main.exe] Error 1[build] CMakeFiles\main.dir\build.make:99: recipe for target 'main.exe' failed[build] mingw32-make.exe[1]: *** [CMakeFiles/main.dir/all] Error 2[build] CMakeFiles\Makefile2:81: recipe for target 'CMakeFiles/main.dir/all' failed[build] mingw32-make.exe: *** [all] Error 2[build] Makefile:89: recipe for target 'all' failed[proc] The command: C:\cmake\bin\cmake.EXE --build c:/Users/Sorin/Documents/GitHub/SpeedyGo/build --config Debug --target all -j 14 -- exited with code: 2[driver] Build completed: 00:00:06.413[build] Build finished with exit code 2
我尝试包括varius包括文件夹，也尝试在CMakeLists.txt不同的东西。我真的不知道怎么解决这个问题。另外，这个问题似乎只针对mysql-connector-cpplib。
我的github prj。如果你想看看我的代码：https://github.com/sorin373/SpeedyGo/tree/main.我愿意接受任何建议！
PS：该应用程序首先建立在Linux上，Ubuntu在那里它完美地工作，我后来决定让它兼容Windows。（我使用的是Windows 10，所有软件都是最新的（双重检查））
谢谢你的帮助：D
1条答案
按热度按时间gopyfrb31#
1.把你所有的废话都删掉：
使用绝对路径或反映绝对路径的CMake变量设置CMAKE_PREFIX_PATH！
以上都不需要。你只需要目标。
1.错误的三联体：
[cmake]正在检测x64窗口的编译器散列.
[cmake]正在检测x86窗口的编译器散列.
不适用于MinGW，也不兼容链路。
您可能希望通过
VCPKG_TARGET_TRIPLET和VCPKG_HOST_TRIPLET设置x86-mingw-dynamicmysql-connector-cpp）也可通过vcpkg获得，您可能希望使用它