71 lines
2.8 KiB
CMake
71 lines
2.8 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 >= requested version,
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# but only if the requested major version is the same as the current one.
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# The variable CVF_VERSION must be set before calling configure_file().
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set(PACKAGE_VERSION "1.4.9")
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if(PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION)
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set(PACKAGE_VERSION_COMPATIBLE FALSE)
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else()
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if("1.4.9" MATCHES "^([0-9]+)\\.")
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set(CVF_VERSION_MAJOR "${CMAKE_MATCH_1}")
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if(NOT CVF_VERSION_MAJOR VERSION_EQUAL 0)
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string(REGEX REPLACE "^0+" "" CVF_VERSION_MAJOR "${CVF_VERSION_MAJOR}")
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endif()
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else()
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set(CVF_VERSION_MAJOR "1.4.9")
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endif()
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if(PACKAGE_FIND_VERSION_RANGE)
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# both endpoints of the range must have the expected major version
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math (EXPR CVF_VERSION_MAJOR_NEXT "${CVF_VERSION_MAJOR} + 1")
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if (NOT PACKAGE_FIND_VERSION_MIN_MAJOR STREQUAL CVF_VERSION_MAJOR
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OR ((PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "INCLUDE" AND NOT PACKAGE_FIND_VERSION_MAX_MAJOR STREQUAL CVF_VERSION_MAJOR)
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OR (PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "EXCLUDE" AND NOT PACKAGE_FIND_VERSION_MAX VERSION_LESS_EQUAL CVF_VERSION_MAJOR_NEXT)))
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set(PACKAGE_VERSION_COMPATIBLE FALSE)
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elseif(PACKAGE_FIND_VERSION_MIN_MAJOR STREQUAL CVF_VERSION_MAJOR
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AND ((PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "INCLUDE" AND PACKAGE_VERSION VERSION_LESS_EQUAL PACKAGE_FIND_VERSION_MAX)
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OR (PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "EXCLUDE" AND PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION_MAX)))
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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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else()
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if(PACKAGE_FIND_VERSION_MAJOR STREQUAL CVF_VERSION_MAJOR)
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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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endif()
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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("FALSE")
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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 "8" 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 "8")
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math(EXPR installedBits "8 * 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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