带有包含路径和源路径的 CMake - 基本设置

我正在尝试建立一个看起来像我自己的项目的测试项目，只是为了让事情首先正常工作，它看起来像这样：

/MainProject/inc/main.h
/MainProject/src/main.cpp
/LibProject/inc/test.h
/LibProject/src/test.cpp

我找到了一些教程，但是当我有 inc 和 src 文件夹时，我无法找到如何设置它？ CMakeLists.txt 文件看起来如何？我会在 / 中各有一个，每个项目文件夹中各有一个吗？好像我不需要在 inc 和 src 文件夹中都有一个？

你需要一个CMakeLists.txt对于每个源子目录。你的结构应该是这样的：

root
|-MainProject
| |-inc
| | '-main.h
| |-src
| | |-main.cpp
| | '-CMakeLists.txt
| '-CMakeLists.txt 
|-LibProject
| |-inc
| | '-test.h
| |-src
| | |-test.cpp
| | '-CMakeLists.txt
| '-CMakeLists.txt
'-CMakeLists.txt

内容root/CMakeLists.txt:

project(MyProject)
add_subdirectory(MainProject)
add_subdirectory(LibProject)

内容LibProject/CMakeLists.txt and MainProject/CMakeLists.txt:

add_subdirectory(src)

内容LibProject/src/CMakeLists.txt:

# Notice name prefix of this variable, set by CMake according
# to value given with "project()" in the root CMakeLists.txt.
include_directories(${MyProject_SOURCE_DIR}/LibProject/inc)
add_library(LibProject test.cpp)

内容MainProject/src/CMakeLists.txt:

include_directories(${MyProject_SOURCE_DIR}/MainProject/inc)
# I assume you want to use LibProject as a library in MainProject.
include_directories(${MyProject_SOURCE_DIR}/LibProject/inc)
link_directories(${MyProject_SOURCE_DIR}/LibProject/src)
add_executable(MainProject main.cpp)
target_link_libraries(MainProject LibProject)

然后配置并构建：

$ cd root
$ mkdir build
$ cd build
$ cmake ..
$ make