让 CMake 递归扫描文件夹? [英] Have CMake recursively scan folders?

问题描述

如何设置 CMake 以递归方式扫描给定目录并确定源文件列表?

我的项目是一个共享库.我有一个类似于这样的文件夹结构:

<预><代码>/src/# 任意树中的源文件include/# 头，树镜像 src/文件夹的头examples/# 链接库的可执行代码示例CMakeLists.txt

我希望 CMake 递归扫描 src 和 include 并确定我的项目中的源文件和头文件列表，而不管目录结构如何.我也想避免:

• 用无尽的CMakeLists.txt文件污染src/和include/目录
• 每次更改文件夹结构时都必须更改和调整脚本

不过，每个示例都可以拥有自己的构建脚本.

解决方案

CMake 为递归文件全局化提供了以下命令:

file(GLOB_RECURSE 变量 [RELATIVE path][FOLLOW_SYMLINKS] [globbing 表达式]...)

命令文档:http://www.cmake.org/cmake/help/v2.8.8/cmake.html#command:file

How do I set up CMake to recursively scan a given directory and determine the list of source files?

My project is a shared library. I have a folder structure similar to this:

/
  src/              # Source files in an arbitrary tree
  include/          # Headers, tree mirrors that of the src/ folder
  examples/         # Executable code examples that link against the library
  CMakeLists.txt

I want CMake to recursively scan src and include and determine the list of source and header files in my project, regardless of the directory structure. I also want to avoid:

• Polluting the src/ and include/ directories with endless CMakeLists.txt files
• Having to change and adapt the scripts every time I change my folder structure

It is fine for each example to have their own build script, however.

解决方案

CMake provides the following command for recursive files globing:

file(GLOB_RECURSE variable [RELATIVE path] 
   [FOLLOW_SYMLINKS] [globbing expressions]...)

Command documentation: http://www.cmake.org/cmake/help/v2.8.8/cmake.html#command:file

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