| 1 | # This is a basic version file for the Config-mode of find_package(). |
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| 2 | # It is used by write_basic_package_version_file() as input file for configure_file() |
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| 3 | # to create a version-file which can be installed along a config.cmake file. |
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| 4 | # |
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| 5 | # The created file sets PACKAGE_VERSION_EXACT if the current version string and |
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| 6 | # the requested version string are exactly the same and it sets |
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| 7 | # PACKAGE_VERSION_COMPATIBLE if the current version is >= requested version, |
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| 8 | # but only if the requested major version is the same as the current one. |
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| 9 | # The variable CVF_VERSION must be set before calling configure_file(). |
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| 10 | |
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| 11 | |
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| 12 | set(PACKAGE_VERSION "2.6.2") |
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| 13 | |
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| 14 | if(PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION) |
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| 15 | set(PACKAGE_VERSION_COMPATIBLE FALSE) |
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| 16 | else() |
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| 17 | |
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| 18 | if("2.6.2" MATCHES "^([0-9]+)\\.") |
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| 19 | set(CVF_VERSION_MAJOR "${CMAKE_MATCH_1}") |
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| 20 | if(NOT CVF_VERSION_MAJOR VERSION_EQUAL 0) |
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| 21 | string(REGEX REPLACE "^0+" "" CVF_VERSION_MAJOR "${CVF_VERSION_MAJOR}") |
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| 22 | endif() |
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| 23 | else() |
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| 24 | set(CVF_VERSION_MAJOR "2.6.2") |
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| 25 | endif() |
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| 26 | |
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| 27 | if(PACKAGE_FIND_VERSION_RANGE) |
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| 28 | # both endpoints of the range must have the expected major version |
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| 29 | math (EXPR CVF_VERSION_MAJOR_NEXT "${CVF_VERSION_MAJOR} + 1") |
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| 30 | if (NOT PACKAGE_FIND_VERSION_MIN_MAJOR STREQUAL CVF_VERSION_MAJOR |
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| 31 | OR ((PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "INCLUDE" AND NOT PACKAGE_FIND_VERSION_MAX_MAJOR STREQUAL CVF_VERSION_MAJOR) |
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| 32 | 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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| 33 | set(PACKAGE_VERSION_COMPATIBLE FALSE) |
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| 34 | elseif(PACKAGE_FIND_VERSION_MIN_MAJOR STREQUAL CVF_VERSION_MAJOR |
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| 35 | AND ((PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "INCLUDE" AND PACKAGE_VERSION VERSION_LESS_EQUAL PACKAGE_FIND_VERSION_MAX) |
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| 36 | OR (PACKAGE_FIND_VERSION_RANGE_MAX STREQUAL "EXCLUDE" AND PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION_MAX))) |
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| 37 | set(PACKAGE_VERSION_COMPATIBLE TRUE) |
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| 38 | else() |
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| 39 | set(PACKAGE_VERSION_COMPATIBLE FALSE) |
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| 40 | endif() |
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| 41 | else() |
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| 42 | if(PACKAGE_FIND_VERSION_MAJOR STREQUAL CVF_VERSION_MAJOR) |
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| 43 | set(PACKAGE_VERSION_COMPATIBLE TRUE) |
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| 44 | else() |
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| 45 | set(PACKAGE_VERSION_COMPATIBLE FALSE) |
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| 46 | endif() |
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| 47 | |
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| 48 | if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION) |
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| 49 | set(PACKAGE_VERSION_EXACT TRUE) |
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| 50 | endif() |
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| 51 | endif() |
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| 52 | endif() |
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| 53 | |
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| 54 | |
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| 55 | # if the installed or the using project don't have CMAKE_SIZEOF_VOID_P set, ignore it: |
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| 56 | #ifndef __LP64__ |
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| 57 | if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "" OR "4" STREQUAL "") |
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| 58 | #else |
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| 59 | if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "" OR "8" STREQUAL "") |
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| 60 | #endif |
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| 61 | return() |
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| 62 | endif() |
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| 63 | |
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| 64 | # check that the installed version has the same 32/64bit-ness as the one which is currently searching: |
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| 65 | #ifndef __LP64__ |
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| 66 | if(NOT CMAKE_SIZEOF_VOID_P STREQUAL "4") |
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| 67 | math(EXPR installedBits "4 * 8") |
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| 68 | #else |
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| 69 | if(NOT CMAKE_SIZEOF_VOID_P STREQUAL "8") |
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| 70 | math(EXPR installedBits "8 * 8") |
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| 71 | #endif |
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| 72 | set(PACKAGE_VERSION "${PACKAGE_VERSION} (${installedBits}bit)") |
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| 73 | set(PACKAGE_VERSION_UNSUITABLE TRUE) |
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| 74 | endif() |
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