ch13 cmake

最新推荐文章于 2022-03-25 16:00:03 发布

HITXJ

最新推荐文章于 2022-03-25 16:00:03 发布

阅读量570

点赞数

本文链接：https://blog.youkuaiyun.com/HITXJ/article/details/107890919

版权

概括：

一.总的CMakeLists.txt

指定可执行文件存放目录为ch13/bin：
set(EXECUTABLE_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin)
指定生成的库存放目录为ch13/lib：
set(LIBRARY_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/lib)
找第三方库，并包含它们的头文件
把第三方库文件的库重命名成THIRD_PARTY_LIBS：
set(THIRD_PARTY_LIBS …）
不知道干啥：似乎是告诉工程头文件和cpp文件都在哪里放的
include_directories(头文件路径)
add_subdirectory(src)
add_subdirectory(test)
add_subdirectory(app)

二.src的CMakeLists.txt

将众多cpp文件生成共享库：
add_library(myslam SHARED ***1.cpp ***2.cpp …)
给这个共享库链接之前定义的第三方库(${THIRD_PARTY_LIBS}):
target_link_libraries(myslam ${THIRD_PARTY_LIBS})

三.app的CMakeLists.txt

将run_kitti_stereo.cpp生成可执行文件run_kitti_stereo：
add_executable(run_kitti_stereo run_kitti_stereo.cpp)
并将众多cpp文件生成的库(myslam库)与第三方库(${THIRD_PARTY_LIBS})连接到头文件：
target_link_libraries(run_kitti_stereo myslam ${THIRD_PARTY_LIBS})

1.list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake_modules)

CMake–List用法
如果没有cmake_modules文件夹或者指令写错，报错：
注意CMAKE_MOUDULE_PATH不要打错
CMAKE_MODULE_PATH 定义自己的cmake模块所在的路径

CMake Error at CMakeLists.txt:29 (find_package):
  By not providing "FindG2O.cmake" in CMAKE_MODULE_PATH this project has
  asked CMake to find a package configuration file provided by "G2O", but
  CMake did not find one.

  Could not find a package configuration file provided by "G2O" with any of
  the following names:

    G2OConfig.cmake
    g2o-config.cmake

  Add the installation prefix of "G2O" to CMAKE_PREFIX_PATH or set "G2O_DIR"
  to a directory containing one of the above files.  If "G2O" provides a
  separate development package or SDK, be sure it has been installed.


-- Configuring incomplete, errors occurred!
See also "/home/zxj3/code/my_slambook/ch13_0804/build/CMakeFiles/CMakeOutput.log".

2.enable_testing()

最简单的使用ctest的方法，就是在 CMakeLists.txt 添加命令：

enable_testing()

该命令需要在源码的根目录文件内。

从这一刻起，就可以在工程中添加add_test命令了

add_test(NAME <name> [CONFIGURATIONS [Debug|Release|...]]
           [WORKING_DIRECTORY dir]
           COMMAND <command> [arg1 [arg2 ...]])

name 指定一个名字
Debug|Release 控制那种配置下生效
dir 设置工作目录
command
如果是可执行程序目标，则会被cmake替换成生成的程序的全路径
后面的参数可以使用 <TARGET_FILE:tgt> 指代tgt这个目标的全名
参考：https://www.jianshu.com/p/9cd03de5651a

3.add_subdirectory(src) add_subdirectory(test) add_subdirectory(app)

看来add_subdirectory参数文件必须包含CMakeLists.txt，否则会报错：

CMake Error at CMakeLists.txt:62 (add_subdirectory):
  The source directory

    /home/zxj3/code/my_slambook/ch13_0804/test

  does not contain a CMakeLists.txt file.


-- Configuring incomplete, errors occurred!
See also "/home/zxj3/code/my_slambook/ch13_0804/build/CMakeFiles/CMakeOutput.log".
See also "/home/zxj3/code/my_slambook/ch13_0804/build/CMakeFiles/CMakeError.log".