licensecc-config-version.cmake 2.7 KB

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  1. # This is a basic version file for the Config-mode of find_package().
  2. # It is used by write_basic_package_version_file() as input file for configure_file()
  3. # to create a version-file which can be installed along a config.cmake file.
  4. #
  5. # The created file sets PACKAGE_VERSION_EXACT if the current version string and
  6. # the requested version string are exactly the same and it sets
  7. # PACKAGE_VERSION_COMPATIBLE if the current version is >= requested version,
  8. # but only if the requested major version is the same as the current one.
  9. # The variable CVF_VERSION must be set before calling configure_file().
  10. set(PACKAGE_VERSION "2.1.0")
  11. if(PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION)
  12. set(PACKAGE_VERSION_COMPATIBLE FALSE)
  13. else()
  14. if("2.1.0" MATCHES "^([0-9]+)\\.")
  15. set(CVF_VERSION_MAJOR "${CMAKE_MATCH_1}")
  16. if(NOT CVF_VERSION_MAJOR VERSION_EQUAL 0)
  17. string(REGEX REPLACE "^0+" "" CVF_VERSION_MAJOR "${CVF_VERSION_MAJOR}")
  18. endif()
  19. else()
  20. set(CVF_VERSION_MAJOR "2.1.0")
  21. endif()
  22. if(PACKAGE_FIND_VERSION_RANGE)
  23. # both endpoints of the range must have the expected major version
  24. math (EXPR CVF_VERSION_MAJOR_NEXT "${CVF_VERSION_MAJOR} + 1")
  25. if (NOT PACKAGE_FIND_VERSION_MIN_MAJOR STREQUAL CVF_VERSION_MAJOR
  26. OR ((PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "INCLUDE" AND NOT PACKAGE_FIND_VERSION_MAX_MAJOR STREQUAL CVF_VERSION_MAJOR)
  27. OR (PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "EXCLUDE" AND NOT PACKAGE_FIND_VERSION_MAX VERSION_LESS_EQUAL CVF_VERSION_MAJOR_NEXT)))
  28. set(PACKAGE_VERSION_COMPATIBLE FALSE)
  29. elseif(PACKAGE_FIND_VERSION_MIN_MAJOR STREQUAL CVF_VERSION_MAJOR
  30. AND ((PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "INCLUDE" AND PACKAGE_VERSION VERSION_LESS_EQUAL PACKAGE_FIND_VERSION_MAX)
  31. OR (PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "EXCLUDE" AND PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION_MAX)))
  32. set(PACKAGE_VERSION_COMPATIBLE TRUE)
  33. else()
  34. set(PACKAGE_VERSION_COMPATIBLE FALSE)
  35. endif()
  36. else()
  37. if(PACKAGE_FIND_VERSION_MAJOR STREQUAL CVF_VERSION_MAJOR)
  38. set(PACKAGE_VERSION_COMPATIBLE TRUE)
  39. else()
  40. set(PACKAGE_VERSION_COMPATIBLE FALSE)
  41. endif()
  42. if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION)
  43. set(PACKAGE_VERSION_EXACT TRUE)
  44. endif()
  45. endif()
  46. endif()
  47. # if the installed or the using project don't have CMAKE_SIZEOF_VOID_P set, ignore it:
  48. if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "" OR "8" STREQUAL "")
  49. return()
  50. endif()
  51. # check that the installed version has the same 32/64bit-ness as the one which is currently searching:
  52. if(NOT CMAKE_SIZEOF_VOID_P STREQUAL "8")
  53. math(EXPR installedBits "8 * 8")
  54. set(PACKAGE_VERSION "${PACKAGE_VERSION} (${installedBits}bit)")
  55. set(PACKAGE_VERSION_UNSUITABLE TRUE)
  56. endif()