cmake文件应安装在哪里?

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问题描述

cmake文件应安装在哪里?我目前有安装目标

Where should cmake files be installed? I currently have for the install targets

cmake_minimum_required(VERSION 2.8.10)
project(projectname)
include(CMakePackageConfigHelpers)
include(GNUInstallDirs)

add_library(projectnameINTERFACE)
target_include_directories(projectnameINTERFACE
        $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/projectname>
        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/>
)


configure_package_config_file(projectnameConfig.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/projectnameConfig.cmake INSTALL_DESTINATION ${CMAKE_INSTALL_PREFIX})
install(TARGETS projectnameEXPORT projectname-targets)

install(EXPORT projectname-targets FILE projectnameTargets.cmake DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/cmake)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/projectnameConfig.cmake DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/cmake)
install(DIRECTORY ./ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/projectname FILES_MATCHING PATTERN "*.h" PATTERN ".git" EXCLUDE)

路径 $ {CMAKE_INSTALL_PREFIX}/share/projectname/cmake 是否正确?

对于Windows构建，应使用 CMAKE_INSTALL_PREFIX = C:/libs/project 进行安装.当使用 CMAKE_INSTALL_PREFIX =/usr 或/usr/local 在Linux中安装它时，我不确定cmake文件是否应安装在/usr/share/中.cmake 或类似的文件夹.

For Windows builds, it should be installed with CMAKE_INSTALL_PREFIX=C:/libs/project. When installing it in Linux with CMAKE_INSTALL_PREFIX=/usr or /usr/local, I am not sure if the cmake files should be installed in /usr/share/cmake or a similar folder.

最后，它应该以合理的方式使用两种方法(/usr 和 path/to/libdir ).

In the end, it should work with both methods (/usr and path/to/libdir) in a reasonable way.

推荐答案

根据官方的cmake文档，有几种可能性可以安装这些cmake文件.为了使用 find_package()命令查找库，该位置很重要.取决于平台，可能的位置是:

According to the official cmake documentation there are several possibilities where these cmake files should be installed. The location is important in order to find the library using the find_package() command. Depending on the platform possible locations are:

<prefix>/                                                       (Windows)
<prefix>/(cmake|CMake)/                                         (Windows)
<prefix>/<name>*/                                               (Windows)
<prefix>/<name>*/(cmake|CMake)/                                 (Windows)
<prefix>/(lib/<arch>|lib*|share)/cmake/<name>*/                 (Unix)
<prefix>/(lib/<arch>|lib*|share)/<name>*/                       (Unix)
<prefix>/(lib/<arch>|lib*|share)/<name>*/(cmake|CMake)/         (Unix)
<prefix>/<name>*/(lib/<arch>|lib*|share)/cmake/<name>*/         (Windows/Unix)
<prefix>/<name>*/(lib/<arch>|lib*|share)/<name>*/               (Windows/Unix)
<prefix>/<name>*/(lib/<arch>|lib*|share)/<name>*/(cmake|CMake)/ (Windows/Unix)
<prefix>/<name>.framework/Resources/                            (macOS)
<prefix>/<name>.framework/Resources/CMake/                      (macOS)
<prefix>/<name>.framework/Versions/*/Resources/                 (macOS)
<prefix>/<name>.framework/Versions/*/Resources/CMake/           (macOS)
<prefix>/<name>.app/Contents/Resources/                         (macOS)
<prefix>/<name>.app/Contents/Resources/CMake/                   (macOS)

前缀由 CMAKE_INSTALL_PREFIX 变量定义，该变量在Windows上默认为 C:/Program Files/$ {PROJECT_NAME} ，在/usr/local .

The prefix is defined by the CMAKE_INSTALL_PREFIX variable which defaults to C:/Program Files/${PROJECT_NAME} on Windows and /usr/local on Unix.

在我的Arch Linux系统上，大多数库都使用< prefix>/lib */cmake/< name> */(Unix风格)位置.对于Windows个人，我更喜欢< prefix>/cmake 位置.

On my Arch Linux system most libraries are using the <prefix>/lib*/cmake/<name>*/ (Unix style) location. For windows personally I would prefer the <prefix>/cmake location.

有关更多详细信息，建议您阅读CMake版本的官方文档(有关v3.14，请参见下面参考中的链接).

For more detailed information I would recommend you to read the official documentation for your CMake version (for v3.14 see the links in the references below).

参考:

https://cmake.org/cmake/help/v3.14/variable/CMAKE_INSTALL_PREFIX.html
https://cmake.org/cmake/help/v3.14/command/find_package.html?highlight=find_package#id5

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