上述代码中的include("${CMAKE_CURRENT_LIST_DIR}/MyLibTargets.cmake")应该如何写
时间: 2024-02-12 07:05:46 浏览: 36
如果我们使用configure_package_config_file()命令来生成cmake的配置文件,那么在MyLibConfig.cmake.in文件中,我们可以使用@PACKAGE_CONFIG_INCLUDE_DIRS@占位符来指定需要导入的静态库和动态库的路径。然后,在使用configure_package_config_file()命令时,我们需要使用PACKAGE_CONFIG_INCLUDE_DIRS参数来指定实际的路径。
例如,上述代码中的include("${CMAKE_CURRENT_LIST_DIR}/MyLibTargets.cmake")可以改写为:
```
include("@PACKAGE_CONFIG_INCLUDE_DIRS@/MyLibTargets.cmake")
```
这样,在生成MyLibConfig.cmake文件时,@PACKAGE_CONFIG_INCLUDE_DIRS@占位符会被替换成实际的路径,从而可以正确地导入MyLib的目标。
相关问题
记住cmake代码cmake_minimum_required(VERSION 3.16) # 声明该项目的名称和版本号 project(MyLib VERSION 1.0) # 添加库代码文件到该库 add_library(mylib STATIC src/header.cpp) add_library(mylib_shared SHARED src/header.cpp) include_directories(include) # 指定install路径,以便于其他项目找到该库 install(TARGETS mylib mylib_shared EXPORT MyLibTargets ARCHIVE DESTINATION lib LIBRARY DESTINATION lib RUNTIME DESTINATION bin) install(FILES include/header.h DESTINATION include) # 生成MyLibConfig.cmake文件 include(CMakePackageConfigHelpers) write_basic_package_version_file( "${CMAKE_CURRENT_BINARY_DIR}/MyLibConfigVersion.cmake" VERSION ${MyLib_VERSION} COMPATIBILITY AnyNewerVersion ) configure_package_config_file( "${CMAKE_CURRENT_SOURCE_DIR}/MyLibConfig.cmake.in" "${CMAKE_CURRENT_BINARY_DIR}/MyLibConfig.cmake" INSTALL_DESTINATION cmake ) # install( # EXPORT MyLibTargets # NAMESPACE MyLib:: # DESTINATION cmake # ) export(EXPORT MyLibTargets NAMESPACE MyLib:: FILE MyLibTargets.cmake) install(FILES ${CMAKE_CURRENT_BINARY_DIR}/MyLibTargets.cmake DESTINATION cmake) install( FILES "${CMAKE_CURRENT_BINARY_DIR}/MyLibConfig.cmake" "${CMAKE_CURRENT_BINARY_DIR}/MyLibConfigVersion.cmake" DESTINATION cmake ),并在/home/czl/cmake_lib/build目录下执行命令cmake .. -DCMAKE_INSTALL_PREFIX=/home/czl/pkg_test,并告诉我生成的MyLibTargets.cmake文件中,静态库的引用路径是什么
生成的MyLibTargets.cmake文件中,静态库的引用路径是:
```
target_link_libraries(MyLib::mylib INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/../lib/libmylib.a>
$<INSTALL_INTERFACE:lib/libmylib.a>
)
```
其中,`$<BUILD_INTERFACE>`指的是在构建项目时引用的路径,`$<INSTALL_INTERFACE>`指的是在安装项目后引用的路径。在这个例子中,静态库`libmylib.a`在构建项目时的路径为`${CMAKE_CURRENT_LIST_DIR}/../lib/libmylib.a`,在安装项目后的路径为`lib/libmylib.a`。
代码内容如下:# 指定该项目的名称和版本号set(MyLib_VERSION @MyLib_VERSION@)set(MyLib_INCLUDE_DIRS "@CMAKE_INSTALL_PREFIX@/include")set(MyLib_LIBRARIES "@CMAKE_INSTALL_PREFIX@/lib/libmylib.a")set(MyLib_LIBRARIES_SHARED "@CMAKE_INSTALL_PREFIX@/lib/libmylib_shared.so")# 导入MyLib的目标include("${CMAKE_CURRENT_LIST_DIR}/MyLibTargets.cmake"),include(CMakePackageConfigHelpers)configure_package_config_file( "${CMAKE_CURRENT_SOURCE_DIR}/MyLibConfig.cmake.in" "${CMAKE_CURRENT_BINARY_DIR}/MyLibConfig.cmake" INSTALL_DESTINATION cmake)install( FILES "${CMAKE_CURRENT_BINARY_DIR}/MyLibConfig.cmake" DESTINATION cmake)中,cmake文件MyLibTargets.cmake的内容应该是什么
MyLibTargets.cmake是一个cmake模块文件,用于导出MyLib的库和可执行文件的cmake目标。它通常包含以下内容:
```
# 定义MyLib库的cmake目标
add_library(MyLib STATIC mylib.cpp)
# 设置MyLib库的头文件路径
target_include_directories(MyLib PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
$<INSTALL_INTERFACE:include>
)
# 设置MyLib库的链接依赖
target_link_libraries(MyLib PUBLIC
${MYLIB_DEPENDENCIES}
)
# 安装MyLib库的头文件和静态库文件
install(
TARGETS MyLib
EXPORT MyLibTargets
ARCHIVE DESTINATION lib
LIBRARY DESTINATION lib
RUNTIME DESTINATION bin
INCLUDES DESTINATION include
)
install(
FILES mylib.h
DESTINATION include
)
# 定义MyLib可执行文件的cmake目标
add_executable(MyExe myexe.cpp)
# 设置MyExe可执行文件的链接依赖
target_link_libraries(MyExe PRIVATE
MyLib
)
# 安装MyExe可执行文件
install(
TARGETS MyExe
DESTINATION bin
)
```
在这个例子中,MyLibTargets.cmake文件定义了两个cmake目标:一个静态库MyLib,一个可执行文件MyExe。对于MyLib库,它设置了库的头文件路径、链接依赖和安装目录;对于MyExe可执行文件,它设置了链接依赖和安装目录。
在使用configure_package_config_file()命令时,我们会在MyLibConfig.cmake.in文件中引用MyLibTargets.cmake文件,从而将MyLib的cmake目标导入到当前项目中。
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