CMakeSystemSpecificInformation.cmake 2.3 KB

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  1. # Distributed under the OSI-approved BSD 3-Clause License. See accompanying
  2. # file Copyright.txt or https://cmake.org/licensing for details.
  3. # This file is included by cmGlobalGenerator::EnableLanguage.
  4. # It is included after the compiler has been determined, so
  5. # we know things like the compiler name and if the compiler is gnu.
  6. # before cmake 2.6 these variables were set in cmMakefile.cxx. This is still
  7. # done to keep scripts and custom language and compiler modules working.
  8. # But they are reset here and set again in the platform files for the target
  9. # platform, so they can be used for testing the target platform instead
  10. # of testing the host platform.
  11. set(APPLE )
  12. set(UNIX )
  13. set(CYGWIN )
  14. set(WIN32 )
  15. # include Generic system information
  16. include(CMakeGenericSystem)
  17. # 2. now include SystemName.cmake file to set the system specific information
  18. set(CMAKE_SYSTEM_INFO_FILE Platform/${CMAKE_SYSTEM_NAME})
  19. include(${CMAKE_SYSTEM_INFO_FILE} OPTIONAL RESULT_VARIABLE _INCLUDED_SYSTEM_INFO_FILE)
  20. if(NOT _INCLUDED_SYSTEM_INFO_FILE)
  21. message("System is unknown to cmake, create:\n${CMAKE_SYSTEM_INFO_FILE}"
  22. " to use this system, please post your config file on "
  23. "discourse.cmake.org so it can be added to cmake")
  24. if(EXISTS ${CMAKE_BINARY_DIR}/CMakeCache.txt)
  25. configure_file(${CMAKE_BINARY_DIR}/CMakeCache.txt
  26. ${CMAKE_BINARY_DIR}/CopyOfCMakeCache.txt COPYONLY)
  27. message("Your CMakeCache.txt file was copied to CopyOfCMakeCache.txt. "
  28. "Please post that file on discourse.cmake.org.")
  29. endif()
  30. endif()
  31. # optionally include a file which can do extra-generator specific things, e.g.
  32. # CMakeFindEclipseCDT4.cmake asks gcc for the system include dirs for the Eclipse CDT4 generator
  33. if(CMAKE_EXTRA_GENERATOR)
  34. string(REPLACE " " "" _CMAKE_EXTRA_GENERATOR_NO_SPACES ${CMAKE_EXTRA_GENERATOR} )
  35. include("CMakeFind${_CMAKE_EXTRA_GENERATOR_NO_SPACES}" OPTIONAL)
  36. endif()
  37. # for most systems a module is the same as a shared library
  38. # so unless the variable CMAKE_MODULE_EXISTS is set just
  39. # copy the values from the LIBRARY variables
  40. # this has to be done after the system information has been loaded
  41. if(NOT CMAKE_MODULE_EXISTS)
  42. set(CMAKE_SHARED_MODULE_PREFIX "${CMAKE_SHARED_LIBRARY_PREFIX}")
  43. set(CMAKE_SHARED_MODULE_SUFFIX "${CMAKE_SHARED_LIBRARY_SUFFIX}")
  44. endif()
  45. set(CMAKE_SYSTEM_SPECIFIC_INFORMATION_LOADED 1)