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CMake无法确定目标的链接器语言-C++

c++windowsvisual-studiocmake
4

我正在尝试开发一个私人使用的引擎，我使用CMake，因为我打算在未来将其制作成多平台版本，但是出现了一个我以前从未遇到过的错误，我尝试根据stack overflow上其他问题的建议将项目（IEngine）更改为project（IEngine CXX），但错误仍然存在，这是我的CMakeLists：

cmake_minimum_required(VERSION 3.16.2)

project(IEngine)

find_package(Vulkan REQUIRED)

file(GLOB_RECURSE SRC_RENDERER
    "${IEngine_SOURCE_DIR}/src/Renderer/*.cpp"
    "${IEngine_SOURCE_DIR}/src/Renderer/*.hpp"
    "${IEngine_SOURCE_DIR}/src/Renderer/*.h")

source_group("Renderer" FILES ${SRC_RENDERER})

add_library(IEngine STATIC ${SRC_RENDERER})

if(WIN32)
    target_compile_definitions(IEngine PRIVATE VK_USE_PLATFORM_WIN32_KHR)
endif()

target_include_directories(IEngine PRIVATE Vulkan::Vulkan)
target_link_libraries(IEngine Vulkan::Vulkan)

输出结果：
Selecting Windows SDK version 10.0.18362.0 to target Windows 10.0.18363.
The C compiler identification is MSVC 19.24.28315.0
The CXX compiler identification is MSVC 19.24.28315.0
Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.24.28314/bin/Hostx64/x64/cl.exe
Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.24.28314/bin/Hostx64/x64/cl.exe - 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: C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.24.28314/bin/Hostx64/x64/cl.exe
Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.24.28314/bin/Hostx64/x64/cl.exe - works
Detecting CXX compiler ABI info
Detecting CXX compiler ABI info - done
Detecting CXX compile features
Detecting CXX compile features - done
Found Vulkan: A:/VulkanSDK/1.2.131.1/Lib/vulkan-1.lib  
Configuring done
CMake Error: CMake can not determine linker language for target: IEngine
Generating done
CMake根据源文件确定链接器语言。看起来你的库没有源文件。（即：SRC_RENDERER变量是空的）。这可能是你调试过程中的起点。你可以使用message()函数随时打印变量的值。 - Tsyvarev
1个回答
11

我也遇到过这个错误:( 在你的CMakeLists.txt中加入以下内容:

set_target_properties(IEngine PROPERTIES LINKER_LANGUAGE CXX)
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