Gabriele Cosmo
244 lines
9.1 KiB
CMake
244 lines
9.1 KiB
CMake
# This file defines the following macros for developers to use in ensuring
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# that installed software is of the right version:
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#
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# MACRO_ENSURE_VERSION - test that a version number is greater than
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# or equal to some minimum
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# MACRO_ENSURE_VERSION_RANGE - test that a version number is greater than
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# or equal to some minimum and less than some
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# maximum
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# MACRO_ENSURE_VERSION2 - deprecated, do not use in new code
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#
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# MACRO_VERIFY_VERSION - test that a version number satisfies a given
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# set of requirements, such as an exact match,
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# greater than or equal to a minimum, less
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# than or equal to some maximum, or between
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# a minimum and maximum.
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#
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# MACRO_ENSURE_VERSION
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# This macro compares version numbers of the form "a.b.c.d" or "a.b.c"
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# or "a.b"
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#
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# MACRO_ENSURE_VERSION( FOO_MIN_VERSION FOO_VERSION_FOUND FOO_VERSION_OK)
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# will set FOO_VERSION_OK to true if FOO_VERSION_FOUND >= FOO_MIN_VERSION
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# Leading and trailing text is ok, e.g.
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# MACRO_ENSURE_VERSION( "2.5.31" "flex 2.5.4a" VERSION_OK)
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# which means 2.5.31 is required and "flex 2.5.4a" is what was found on
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# the system
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# Copyright (c) 2006, David Faure, <faure@kde.org>
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# Copyright (c) 2007, Will Stephenson <wstephenson@kde.org>
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#
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# Redistribution and use is allowed according to the terms of the
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# BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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# MACRO_VERIFY_VERSION
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# This macro compares version numbers of the form "a.b.c.d" or "a.b.c" or "a.b"
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#
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# MACRO_VERIFY_VERSION(VERSION_OK
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# MIN_VERSION "a.b.c.d"
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# MAX_VERSION "p.q.r"
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# FOUND_VERSION "x.y.z"
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# [FIND_EXACT True|False])
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#
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# The macro uses the following logic to verify version checking
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#
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# 1) MIN_VERSION a.b.c, FOUND_VERSION x.y.z supplied, FIND_EXACT set:
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# Check and require that x.y.z == a.b.c
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# MAX_VERSION ignored.
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#
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# 2) MIN_VERSION a.b.c, FOUND_VERSION x.y.z supplied
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# i) If MAX_VERSION not set, check and require that x.y.z >= a.b.c
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# ii) If MAX_VERSION p.q.r set, check and require a.b.c <= x.y.z < p.q.r
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#
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# 3) MIN_VERSION a.b.c NOT supplied, FOUND_VERSION x.y.z supplied
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# i) If MAX_VERSION not set, version assumed to be verified.
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# ii) If MAX_VERSION p.q.r set, check and require x.y.z < p.q.r
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#
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# Copyright (c) 2009, Ben Morgan, <Ben.Morgan@warwick.ac.uk>
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#
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# Redistribution and use is allowed according to the terms of the
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# BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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#
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# MACRO_ENSURE_VERSION_RANGE
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# This macro ensures that a version number of the form
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# "a.b.c.d" or "a.b.c" or "a.b" falls within a range defined by
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# min_version <= found_version < max_version.
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# If this expression holds, FOO_VERSION_OK will be set TRUE
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#
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# Example: MACRO_ENSURE_VERSION_RANGE3( "0.1.0" ${FOOCODE_VERSION} "0.7.0" FOO_VERSION_OK )
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#
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# This macro will break silently if any of a,b,c or d are greater than 100.
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#
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# Copyright (c) 2007, Will Stephenson <wstephenson@kde.org>
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#
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# Redistribution and use is allowed according to the terms of the BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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#
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# NORMALIZE_VERSION
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# Helper macro to convert version numbers of the form "a.b.c.d"
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# to an integer equal to 10^6 * a + 10^4 * b + 10^2 * c + d
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#
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# This macro will break silently if any of a,b,c,d are greater than 100.
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#
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# Copyright (c) 2006, David Faure, <faure@kde.org>
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# Copyright (c) 2007, Will Stephenson <wstephenson@kde.org>
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#
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# Modifications Copyright (c) 2008, Ben Morgan <Ben.Morgan@warwick.ac.uk>
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#
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# Redistribution and use is allowed according to the terms of the BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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#
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# CHECK_RANGE_INCLUSIVE_LOWER
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# Helper macro to check whether x <= y < z
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#
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# Copyright (c) 2007, Will Stephenson <wstephenson@kde.org>
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#
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# Redistribution and use is allowed according to the terms of the BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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#
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# MACRO_
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# - Include guard
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if(__macroensureversion_isloaded)
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return()
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endif()
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set(__macroensureversion_isloaded YES)
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#-----------------------------------------------------------------------
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# macro normalize_version()
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#
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macro(normalize_version _requested_version _normalized_version)
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# Do we have a.b.c.d in _requested_version?
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string(REGEX MATCH "[^0-9]*[0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9].*" _fourPartMatch "${_requested_version}")
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string(REGEX MATCH "[^0-9]*[0-9]+\\.[0-9]+\\.[0-9]+.*" _threePartMatch "${_requested_version}")
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if(_fourPartMatch)
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# We certainly have a.b.c.d so split out the components as needed
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string(REGEX REPLACE "[^0-9]*([0-9]+)\\.[0-9]+\\.[0-9]+.*" "\\1" _major_vers "${_requested_version}")
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string(REGEX REPLACE "[^0-9]*[0-9]+\\.([0-9]+)\\.[0-9]+.*" "\\1" _minor_vers "${_requested_version}")
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string(REGEX REPLACE "[^0-9]*[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" _patch_vers "${_requested_version}")
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string(REGEX REPLACE "[^0-9]*[0-9]+\\.[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" _tweak_vers "${_requested_version}")
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elseif(_threePartMatch)
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# parse the parts of the version string
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string(REGEX REPLACE "[^0-9]*([0-9]+)\\.[0-9]+\\.[0-9]+.*" "\\1" _major_vers "${_requested_version}")
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string(REGEX REPLACE "[^0-9]*[0-9]+\\.([0-9]+)\\.[0-9]+.*" "\\1" _minor_vers "${_requested_version}")
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string(REGEX REPLACE "[^0-9]*[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" _patch_vers "${_requested_version}")
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set(_tweak_vers "0")
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else(_threePartMatch)
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string(REGEX REPLACE "[^0-9]*([0-9]+)\\.[0-9]+" "\\1" _major_vers "${_requested_version}")
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string(REGEX REPLACE "[^0-9]*[0-9]+\\.([0-9]+)" "\\1" _minor_vers "${_requested_version}")
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set(_patch_vers "0")
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set(_tweak_vers "0")
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endif()
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# compute an overall version number which can be compared at once
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math(EXPR ${_normalized_version} "${_major_vers}*1000000 + ${_minor_vers}*10000 + ${_patch_vers}*100 + ${_tweak_vers}")
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endmacro()
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#-----------------------------------------------------------------------
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# macro macro_check_range_inclusive_lower()
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#
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macro(macro_check_range_inclusive_lower _lower_limit _value _upper_limit _ok)
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if(${_value} LESS ${_lower_limit})
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set(${_ok} FALSE)
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elseif(${_value} EQUAL ${_lower_limit})
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set(${_ok} TRUE)
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elseif(${_value} EQUAL ${_upper_limit})
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set(${_ok} FALSE)
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elseif(${_value} GREATER ${_upper_limit})
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set(${_ok} FALSE)
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else()
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set(${_ok} TRUE)
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endif()
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endmacro()
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#-----------------------------------------------------------------------
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# macro macro_ensure_version()
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#
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macro(macro_ensure_version requested_version found_version var_too_old)
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normalize_version(${requested_version} req_vers_num)
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normalize_version(${found_version} found_vers_num)
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if(found_vers_num LESS req_vers_num)
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set(${var_too_old} FALSE)
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else()
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set(${var_too_old} TRUE)
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endif()
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endmacro()
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#-----------------------------------------------------------------------
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# macro macro_ensure_version2()
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#
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macro(macro_ensure_version2 requested_version2 found_version2 var_too_old2)
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macro_ensure_version(${requested_version2} ${found_version2} ${var_too_old2})
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endmacro()
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#-----------------------------------------------------------------------
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# macro macro_ensure_version_range()
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#
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macro(macro_ensure_version_range min_version found_version max_version var_ok)
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normalize_version(${min_version} req_vers_num)
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normalize_version(${found_version} found_vers_num)
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normalize_version(${max_version} max_vers_num)
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macro_check_range_inclusive_lower(${req_vers_num} ${found_vers_num} ${max_vers_num} ${var_ok})
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endmacro()
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#-----------------------------------------------------------------------
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# For parsing...
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include(CMakeMacroParseArguments)
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#-----------------------------------------------------------------------
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# macro macro_verify_version()
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#
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macro(macro_verify_version)
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cmake_parse_arguments(MVV
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""
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"MIN_VERSION;MAX_VERSION;FOUND_VERSION;FIND_EXACT"
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""
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${ARGN})
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set(MVV_VAR_OK ${ARGV0})
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message("var to set: ${ARGV0}")
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message("min_version = ${MVV_MIN_VERSION}")
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message("max_version = ${MVV_MAX_VERSION}")
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message("found_version = ${MVV_FOUND_VERSION}")
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message("find_exact = ${MVV_FIND_EXACT}")
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# If MIN_VERSION NOT supplied, must set it to absolute minimum
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if(NOT DEFINED ${MVV_MIN_VERSION})
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set(MVV_MIN_VERSION "0.0.0.0")
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endif()
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if(MVV_FOUND_VERSION AND MVV_FIND_EXACT)
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if(${MVV_MIN_VERSION} MATCHES ${MVV_FOUND_VERSION})
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set(${MVV_VAR_OK} TRUE)
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else(${MVV_MIN_VERSION} MATCHES ${MVV_FOUND_VERSION})
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set(${MVV_VAR_OK} FALSE)
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endif()
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elseif(MVV_FOUND_VERSION AND NOT MVV_FIND_EXACT)
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if(MVV_MAX_VERSION)
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macro_ensure_version_range(${MVV_MIN_VERSION}
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${MVV_FOUND_VERSION}
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${MVV_MAX_VERSION}
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${MVV_VAR_OK})
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else()
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macro_ensure_version(${MVV_MIN_VERSION}
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${MVV_FOUND_VERSION}
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${MVV_VAR_OK})
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endif()
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else()
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if(MVV_MAX_VERSION)
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macro_ensure_version_range("0.0.0.0"
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${MVV_FOUND_VERSION}
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${MVV_MAX_VERSION}
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${MVV_VAR_OK})
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else()
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set(${MVV_VAR_OK} TRUE)
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endif()
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endif()
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endmacro(macro_verify_version)
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