通过传递参数给CMakeLists.txt来控制编译配置for x86 and aarch64

东方耀

通过传递参数给CMakeLists.txt来控制编译配置for x86 and aarch64




上接这个：http://www.ai111.vip/thread-1312-1-1.html  交叉编译fftw-3.3.10源码 for aarch64 ARMv8架构(成功)




cmake "-DMY_TARGET=aarch64" -DCMAKE_C_COMPILER=aarch64-linux-gnu-gcc -DCMAKE_CXX_COMPILER=aarch64-linux-gnu-g++ ..
cmake "-DMY_TARGET=pc" ..




message(STATUS "自己传进来的参数：MY_TARGET=" ${MY_TARGET})
if(MY_TARGET STREQUAL "pc")
    message(STATUS "pc，最终运行在自己主机上")
elseif(MY_TARGET STREQUAL "aarch64")
    message(STATUS "aarch64，交叉编译后运行在树莓派arm")
else(MY_TARGET)
    message(FATAL_ERROR "运行目标是一个非法参数")
endif()

1. cmake_minimum_required(VERSION 3.15)
   
2. 
   
3. project("main")     # 我加的
   
4. 
   
5. SET(CMAKE_CXX_STANDARD 14)   # 我加的
   
6. 
   
7. # set(ALL_SRCS "bp_img_4T4R_os_cfar.cpp" "os_cfar_2d.cpp")
   
8. # set(ALL_SRCS "bp_img_4T4R_os_cfar.cpp")
   
9. # set(ALL_SRCS "dm01.cpp")
   
10. # set(ALL_SRCS "eigen_等差_矩阵重复_resize.cpp")
    
11. 
    
12. message(STATUS "自己传进来的参数：MY_TARGET=" ${MY_TARGET})
    
13. if(MY_TARGET STREQUAL "pc")
    
14.     message(STATUS "pc，最终运行在自己主机上")
    
15. elseif(MY_TARGET STREQUAL "aarch64")
    
16.     message(STATUS "aarch64，交叉编译后运行在树莓派arm")
    
17. else(MY_TARGET)
    
18.     message(FATAL_ERROR "运行目标是一个非法参数 or 清除cmake cache文件")
    
19. endif()
    
20. 
    
21. 
    
22. set(ALL_SRCS "7_FFTW编程.cpp")
    
23. 
    
24. 
    
25. message("项目的源码目录：" ${PROJECT_SOURCE_DIR})
    
26. include_directories(${PROJECT_SOURCE_DIR}/include/)   # 自己的头文件
    
27. include_directories("/home/jiang/jjj_eigen_works/eigen-3.4")   # eigen的纯头文件库
    
28. 
    
29. # 编译目标是aarch平台的：
    
30. if(MY_TARGET STREQUAL "aarch64")
    
31.     message(STATUS "aarch64，引入头文件和库文件")
    
32.     include_directories("/home/jiang/my_cross_compile/all_dependence_software_installed/include")
    
33.     link_directories("/home/jiang/my_cross_compile/all_dependence_software_installed/lib")
    
34. endif()
    
35. 
    
36. 
    
37. 
    
38. 
    
39. add_executable(main ${ALL_SRCS})
    
40. 
    
41. 
    
42. # 编译目标是pc端，头文件有了：/usr/local/fftw3.h
    
43. if(MY_TARGET STREQUAL "pc")
    
44.     message(STATUS "pc，目标链接库")
    
45.     target_link_libraries(main fftw3f)
    
46. elseif(MY_TARGET STREQUAL "aarch64")
    
47.     message(STATUS "aarch64，目标链接静态库")
    
48.     target_link_libraries(main libfftw3f.a)
    
49. endif()
    
50. 
    

复制代码

源文件：放附件