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88 lines
3.4 KiB
CMake
88 lines
3.4 KiB
CMake
# This is a basic version file for the Config-mode of find_package().
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# It is used by write_basic_package_version_file() as input file for configure_file()
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# to create a version-file which can be installed along a config.cmake file.
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#
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# The created file sets PACKAGE_VERSION_EXACT if the current version string and
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# the requested version string are exactly the same and it sets
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# PACKAGE_VERSION_COMPATIBLE if the current version is equal to the requested version.
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# The tweak version component is ignored.
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# The variable CVF_VERSION must be set before calling configure_file().
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if (PACKAGE_FIND_VERSION_RANGE)
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message(AUTHOR_WARNING
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"`find_package()` specify a version range but the version strategy "
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"(ExactVersion) of the module `${PACKAGE_FIND_NAME}` is incompatible "
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"with this request. Only the lower endpoint of the range will be used.")
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endif()
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set(PACKAGE_VERSION "@CVF_VERSION@")
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if("@CVF_VERSION@" MATCHES "^([0-9]+)\\.([0-9]+)\\.([0-9]+)") # strip the tweak version
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set(CVF_VERSION_MAJOR "${CMAKE_MATCH_1}")
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set(CVF_VERSION_MINOR "${CMAKE_MATCH_2}")
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set(CVF_VERSION_PATCH "${CMAKE_MATCH_3}")
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if(NOT CVF_VERSION_MAJOR VERSION_EQUAL 0)
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string(REGEX REPLACE "^0+" "" CVF_VERSION_MAJOR "${CVF_VERSION_MAJOR}")
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endif()
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if(NOT CVF_VERSION_MINOR VERSION_EQUAL 0)
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string(REGEX REPLACE "^0+" "" CVF_VERSION_MINOR "${CVF_VERSION_MINOR}")
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endif()
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if(NOT CVF_VERSION_PATCH VERSION_EQUAL 0)
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string(REGEX REPLACE "^0+" "" CVF_VERSION_PATCH "${CVF_VERSION_PATCH}")
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endif()
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set(CVF_VERSION_NO_TWEAK "${CVF_VERSION_MAJOR}.${CVF_VERSION_MINOR}.${CVF_VERSION_PATCH}")
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else()
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set(CVF_VERSION_NO_TWEAK "@CVF_VERSION@")
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endif()
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if(PACKAGE_FIND_VERSION MATCHES "^([0-9]+)\\.([0-9]+)\\.([0-9]+)") # strip the tweak version
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set(REQUESTED_VERSION_MAJOR "${CMAKE_MATCH_1}")
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set(REQUESTED_VERSION_MINOR "${CMAKE_MATCH_2}")
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set(REQUESTED_VERSION_PATCH "${CMAKE_MATCH_3}")
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if(NOT REQUESTED_VERSION_MAJOR VERSION_EQUAL 0)
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string(REGEX REPLACE "^0+" "" REQUESTED_VERSION_MAJOR "${REQUESTED_VERSION_MAJOR}")
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endif()
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if(NOT REQUESTED_VERSION_MINOR VERSION_EQUAL 0)
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string(REGEX REPLACE "^0+" "" REQUESTED_VERSION_MINOR "${REQUESTED_VERSION_MINOR}")
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endif()
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if(NOT REQUESTED_VERSION_PATCH VERSION_EQUAL 0)
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string(REGEX REPLACE "^0+" "" REQUESTED_VERSION_PATCH "${REQUESTED_VERSION_PATCH}")
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endif()
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set(REQUESTED_VERSION_NO_TWEAK
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"${REQUESTED_VERSION_MAJOR}.${REQUESTED_VERSION_MINOR}.${REQUESTED_VERSION_PATCH}")
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else()
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set(REQUESTED_VERSION_NO_TWEAK "${PACKAGE_FIND_VERSION}")
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endif()
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if(REQUESTED_VERSION_NO_TWEAK STREQUAL CVF_VERSION_NO_TWEAK)
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set(PACKAGE_VERSION_COMPATIBLE TRUE)
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else()
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set(PACKAGE_VERSION_COMPATIBLE FALSE)
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endif()
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if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION)
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set(PACKAGE_VERSION_EXACT TRUE)
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endif()
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# if the installed project requested no architecture check, don't perform the check
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if("@CVF_ARCH_INDEPENDENT@")
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return()
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endif()
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# if the installed or the using project don't have CMAKE_SIZEOF_VOID_P set, ignore it:
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if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "" OR "@CMAKE_SIZEOF_VOID_P@" STREQUAL "")
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return()
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endif()
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# check that the installed version has the same 32/64bit-ness as the one which is currently searching:
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if(NOT CMAKE_SIZEOF_VOID_P STREQUAL "@CMAKE_SIZEOF_VOID_P@")
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math(EXPR installedBits "@CMAKE_SIZEOF_VOID_P@ * 8")
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set(PACKAGE_VERSION "${PACKAGE_VERSION} (${installedBits}bit)")
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set(PACKAGE_VERSION_UNSUITABLE TRUE)
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endif()
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