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- # This is a basic version file for the Config-mode of find_package().
- # It is used by write_basic_package_version_file() as input file for configure_file()
- # to create a version-file which can be installed along a config.cmake file.
- #
- # The created file sets PACKAGE_VERSION_EXACT if the current version string and
- # the requested version string are exactly the same and it sets
- # PACKAGE_VERSION_COMPATIBLE if the current version is >= requested version,
- # but only if the requested major version is the same as the current one.
- # The variable CVF_VERSION must be set before calling configure_file().
- set(PACKAGE_VERSION "2.1.0")
- if(PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION)
- set(PACKAGE_VERSION_COMPATIBLE FALSE)
- else()
- if("2.1.0" MATCHES "^([0-9]+)\\.")
- set(CVF_VERSION_MAJOR "${CMAKE_MATCH_1}")
- if(NOT CVF_VERSION_MAJOR VERSION_EQUAL 0)
- string(REGEX REPLACE "^0+" "" CVF_VERSION_MAJOR "${CVF_VERSION_MAJOR}")
- endif()
- else()
- set(CVF_VERSION_MAJOR "2.1.0")
- endif()
- if(PACKAGE_FIND_VERSION_RANGE)
- # both endpoints of the range must have the expected major version
- math (EXPR CVF_VERSION_MAJOR_NEXT "${CVF_VERSION_MAJOR} + 1")
- if (NOT PACKAGE_FIND_VERSION_MIN_MAJOR STREQUAL CVF_VERSION_MAJOR
- OR ((PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "INCLUDE" AND NOT PACKAGE_FIND_VERSION_MAX_MAJOR STREQUAL CVF_VERSION_MAJOR)
- OR (PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "EXCLUDE" AND NOT PACKAGE_FIND_VERSION_MAX VERSION_LESS_EQUAL CVF_VERSION_MAJOR_NEXT)))
- set(PACKAGE_VERSION_COMPATIBLE FALSE)
- elseif(PACKAGE_FIND_VERSION_MIN_MAJOR STREQUAL CVF_VERSION_MAJOR
- AND ((PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "INCLUDE" AND PACKAGE_VERSION VERSION_LESS_EQUAL PACKAGE_FIND_VERSION_MAX)
- OR (PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "EXCLUDE" AND PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION_MAX)))
- set(PACKAGE_VERSION_COMPATIBLE TRUE)
- else()
- set(PACKAGE_VERSION_COMPATIBLE FALSE)
- endif()
- else()
- if(PACKAGE_FIND_VERSION_MAJOR STREQUAL CVF_VERSION_MAJOR)
- set(PACKAGE_VERSION_COMPATIBLE TRUE)
- else()
- set(PACKAGE_VERSION_COMPATIBLE FALSE)
- endif()
- if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION)
- set(PACKAGE_VERSION_EXACT TRUE)
- endif()
- endif()
- endif()
- # if the installed or the using project don't have CMAKE_SIZEOF_VOID_P set, ignore it:
- if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "" OR "8" STREQUAL "")
- return()
- endif()
- # check that the installed version has the same 32/64bit-ness as the one which is currently searching:
- if(NOT CMAKE_SIZEOF_VOID_P STREQUAL "8")
- math(EXPR installedBits "8 * 8")
- set(PACKAGE_VERSION "${PACKAGE_VERSION} (${installedBits}bit)")
- set(PACKAGE_VERSION_UNSUITABLE TRUE)
- endif()
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