Question

我正在尝试链接CLion和SFML（使用windows，mingw w64，SFML 64，CMake）我试图正确配置CMakeLists.txt。

这是cmakelist：

cmake_minimum_required(VERSION 3.2)
project(Test_Utilisation_SFML)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")

set(SOURCE_FILES main.cpp)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/bin")

message(WARNING "CMake runtime output Directory : ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}")

add_executable(Test_Utilisation_SFML.exe ${SOURCE_FILES})

# Detect and add SFML
set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake_modules" ${CMAKE_MODULE_PATH})
#Find any version 2.X of SFML
#See the FindSFML.cmake file for additional details and instructions



find_package(SFML 2 REQUIRED system window graphics network audio)

if(SFML_FOUND)
    include_directories(${SFML_INCLUDE_DIR})
    message (WARNING "lib dir : ${SFML_INCLUDE_DIR}")
    message (WARNING "libs : ${SFML_LIBRARIES}")
    target_link_libraries(${EXECUTABLE_NAME} ${SFML_LIBRARIES})
    message(WARNING "Line that does not appear because it fails the previous line")
endif()

这是CMake的输出：

Error:Cannot specify link libraries for target "debug" which is not built by this project.
Warning:CMake runtime output Directory : D:/JetBrains/workspace/c++/Test Utilisation SFML/bin
Warning:lib dir : C:/lib/SFML/SFML-2.3/include
Warning:libs : debug;C:/lib/SFML/SFML-2.3/lib/libsfml-system-d.a;optimized;C:/lib/SFML/SFML-2.3/lib/libsfml-system.a;debug;C:/lib/SFML/SFML-2.3/lib/libsfml-window-d.a;optimized;C:/lib/SFML/SFML-2.3/lib/libsfml-window.a;debug;C:/lib/SFML/SFML-2.3/lib/libsfml-graphics-d.a;optimized;C:/lib/SFML/SFML-2.3/lib/libsfml-graphics.a;debug;C:/lib/SFML/SFML-2.3/lib/libsfml-network-d.a;optimized;C:/lib/SFML/SFML-2.3/lib/libsfml-network.a;debug;C:/lib/SFML/SFML-2.3/lib/libsfml-audio-d.a;optimized;C:/lib/SFML/SFML-2.3/lib/libsfml-audio.a

我很遗憾地发现仅将“debug”视为目标是奇怪的，我更改了findSFML.cmake文件以使其成为

debug C:/lib/SFML/SFML-2.3/lib/libsfml-system-d.a

但它没有改变任何东西。它开始于早期，我注意到我在target_link_libraries命令之后添加了我的“add_executable”然后更改了它，错误没有变得更好。

我没有放任何标志（如-lsfml-graphics等），因为我现在不打造（我不能，更准确地说。） set_CMAKE_RUNTIME_OUTPUT_DIRECTORY用于强制输出项目的bin文件夹，而不是Clion目录。

Answer 1

EXECUTABLE_NAME未在target_link_libraries命令中设置，因此在调试版本中

target_link_libraries(${EXECUTABLE_NAME} ${SFML_LIBRARIES})

扩展为

target_link_libraries(debug path/to/debug/library optimized path/to/release/library ... )

第一个参数被视为目标名称，因此您会看到错误

错误：无法为目标“debug”指定链接库，而不是由这个项目建造

cmake target_link_libraries（）启动错误无法为目标“debug”

1 个答案: