如何制作CMake包装？ [英] How to make a CMake package?

问题描述

我正在尝试为CMake项目中的Crypto ++包含创建CMake程序包，这将最终在 noloader / cryptopp-cmake存储库（如果已完成）。

I'm attempting to make a CMake package for Crypto++ inclusion in CMake projects, this will end up in the noloader/cryptopp-cmake repo if it gets done.

最终目标是提出一个可运行的跨平台 FindCryptoPP.cmake 文件，可以将其拖放到Crypto ++源目录中以执行以下操作：

The ultimate goal is to come up with a working cross-platform FindCryptoPP.cmake file which can be dropped in the Crypto++ source directory to do things like:

find_package(CryptoPP REQUIRED)
target_link_libraries(libbiocoin cryptopp-static)

或：

find_package(CryptoPP REQUIRED)
target_link_libraries(libbiocoin cryptopp-shared)

在完成的应用程序中，使其正常工作。

In a finished application and have it "just work."

我目前在CMake中最好的解决方案应用程序是为平台构建Crypto ++，将生成的归档文件或库粘贴到lib目录中，在CMakeLists.txt中引用该文件或将其拉出这样，但当然需要为应用程序所针对的每个平台打包编译后的Crypto ++的二进制发行版，这样维护起来很麻烦，即使不是加密代码也很糟糕。

My current best solution within a CMake application is to build Crypto++ for the platform, stick the resulting archive or library in a lib directory, reference that within the CMakeLists.txt and pull it in that way, but of course that requires packaging a binary distribution of the compiled Crypto++ for every platform targeted by the application, which would be nasty to maintain and generally bad even if it weren't crypto code.

推荐答案

最好提供CMake配置文件。如果没有提供 FindFoo.cmake 查找脚本， find_package 将查找配置文件。与查找脚本相比，优点之一是您不会以查找脚本的不同版本（也许有冲突的版本）结尾。

It's better to provide a CMake configuration file. find_package will look for a configuration file if no FindFoo.cmake find script is provided. One advantage over a find script is that you won't end with different, maybe conflicting versions of the find script.

请参见 https://cmake.org/cmake/help/latest/manual/cmake-packages.7.html ，尤其是创建布局。

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