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83 lines
3.2 KiB
83 lines
3.2 KiB
# 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 `${PACKAGE_FIND_NAME}` is incompatible " |
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"with this request. Only the lower endpoint of the range will be used.") |
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endif() |
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set(PACKAGE_VERSION "1.21.0") |
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if("1.21.0" MATCHES "^([0-9]+)\\.([0-9]+)\\.([0-9]+)") # strip the tweak version |
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set(CVF_VERSION_MAJOR "${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 "1.21.0") |
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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 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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