cmake跨平台编译之判断操作系统平台、32位64位系统_谁吃薄荷糖的博客-CSDN博客

  1. if(CMAKE_CROSSCOMPILING)
  2.    message(STATUS "Cross Comliling!!!,  ARM")
  3.    set(CURRENT_SYSTEM "Arm")
  4. else()
  5.    message(STATUS "No Cross Comliling!!!")
  6. endif()
  1. if(CMAKE_CL_64)
  2.     set(CURRENT_PLATFORM "x64")
  3.     message(STATUS "Current Platform is ${CURRENT_PLATFORM}")
  4. else(CMAKE_CL_64)
  5.     set(CURRENT_PLATFORM "x86")
  6.     message(STATUS "Current Platform is ${CURRENT_PLATFORM}")
  7. endif(CMAKE_CL_64)
  1.     if(CMAKE_SYSTEM_NAME MATCHES "Linux")
  2.         set(CURRENT_SYSTEM "Linux")
  3.     elseif(CMAKE_SYSTEM_NAME MATCHES "Windows")
  4.         set(CURRENT_SYSTEM "Windows")
  5.    elseif(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
  6.         set(CURRENT_SYSTEM "FreeBSD")
  7.     endif()

CMakeLists.txt文件节选：

  1. message(STATUS "===============================")
  2. MESSAGE(STATUS "current operation system is ${CMAKE_SYSTEM}")
  3. message(STATUS "current operation system name is ${CMAKE_SYSTEM_NAME}")
  5. if(CMAKE_CL_64)
  6.     set(CURRENT_PLATFORM "x64")
  7.     message(STATUS "Current Platform is ${CURRENT_PLATFORM}")
  8. else(CMAKE_CL_64)
  9.     set(CURRENT_PLATFORM "x86")
  10.     message(STATUS "Current Platform is ${CURRENT_PLATFORM}")
  11. endif(CMAKE_CL_64)
  13. if(CMAKE_CROSSCOMPILING)
  14.     message(STATUS "Cross Comliling!!!,  ARM")
  15.     set(CURRENT_SYSTEM "Arm")
  16. else()
  17.     message(STATUS "No Cross Comliling!!!")
  19.     #根据不同平台给CURRENT_SYSTEM命名
  20.     if(CMAKE_SYSTEM_NAME MATCHES "Linux")
  21.         set(CURRENT_SYSTEM "Linux")
  22.     elseif(CMAKE_SYSTEM_NAME MATCHES "Windows")
  23.         set(CURRENT_SYSTEM "Windows")
  24.    elseif(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
  25.         set(CURRENT_SYSTEM "FreeBSD")
  26.     endif()
  28. endif()

cmake打印信息(Ubuntu20系统x86测试测试)：

  1. root@root:/home/root123/testdemo/demo1/build
  2. -- ===============================
  3. -- current operation system is Linux-5.11.0-41-generic
  4. -- current operation system name is Linux
  5. -- Current Platform is x86
  6. -- No Cross Comliling!!!
  7. -- ===============================
  8. -- /home/root123/testdemo/demo1/Lib/Debug/Linux/x86
  9. -- ===============================