Fix for #1624 by using CMake's version parsing. Also move to using CMake's internal version comparison operators.mhiretskiy 1655
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# Calculate append=skip
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# Calculate merge()!= append=skip
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# Calculate format=diff merge(sci-chemistry/openbabel-python)=>2.4.1,2.4.2
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From 00120f89cf62b121c30d0b2a891b159e19b53624 Mon Sep 17 00:00:00 2001
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From: David Hall <david@acpharis.com>
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Date: Mon, 4 Sep 2017 00:30:10 +0000
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Subject: [PATCH] Compiler version parsing and comparison from CMake 2.8
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Fix for #1624 by using CMake's version parsing. Also move to using
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CMake's internal version comparison operators.
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---
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CMakeLists.txt | 35 ++++----
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cmake/modules/MacroEnsureVersion.cmake | 117 -------------------------
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2 files changed, 17 insertions(+), 135 deletions(-)
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delete mode 100644 cmake/modules/MacroEnsureVersion.cmake
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diff --git a/CMakeLists.txt b/CMakeLists.txt
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index b28ca09ce..1c3adfee7 100755
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--- a/CMakeLists.txt
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+++ b/CMakeLists.txt
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@@ -1,16 +1,11 @@
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-# Please ensure that any changes remain compliant with 2.4.8.
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+# Please ensure that any changes remain compliant with 2.8.10.
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if(NOT EMBED_OPENBABEL)
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- cmake_minimum_required(VERSION 2.4.8)
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+ cmake_minimum_required(VERSION 2.8.10)
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endif()
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project(openbabel)
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set(CMAKE_MODULE_PATH ${openbabel_SOURCE_DIR}/cmake/modules)
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-# Allow loose loop constructs, i.e. no matching in if/else/endif or loops.
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-# Note that this is true by default in CMake 2.6.0, but we currently only
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-# require CMake 2.4.8 - remove this when the CMake requirement is bumped.
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-set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS 1)
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-
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if(COMMAND cmake_policy)
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cmake_policy(SET CMP0003 NEW)
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cmake_policy(SET CMP0005 OLD) # add_definitions need updating to set to NEW
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@@ -20,7 +15,6 @@ if(COMMAND cmake_policy)
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endif()
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include (CheckCXXCompilerFlag)
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-include (MacroEnsureVersion)
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# Version numbering - should be bumped for each release
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# Note that for "beta" releases, we should start at x.90.0 -- we've
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@@ -239,16 +233,21 @@ check_type_size(clock_t CLOCK_T)
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# Get the GCC version - from KDE4 cmake files
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if(CMAKE_COMPILER_IS_GNUCXX)
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- exec_program(${CMAKE_C_COMPILER} ARGS --version OUTPUT_VARIABLE _gcc_version_info)
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- string(REGEX MATCH "[34567]\\.[0-9]\\.[0-9]" _gcc_version "${_gcc_version_info}")
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- # gcc on mac just reports: "gcc (GCC) 3.3 20030304 ..." without the
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- # patch level, handle this here:
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- if (NOT _gcc_version)
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- string (REGEX REPLACE ".*\\(GCC\\).* ([34]\\.[0-9]) .*" "\\1.0" _gcc_version "${_gcc_version_info}")
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- endif ()
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- macro_ensure_version("4.0.0" "${_gcc_version}" GCC_IS_NEWER_THAN_4_0)
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- macro_ensure_version("4.1.0" "${_gcc_version}" GCC_IS_NEWER_THAN_4_1)
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- macro_ensure_version("4.2.0" "${_gcc_version}" GCC_IS_NEWER_THAN_4_2)
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+ if(NOT(${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 4.0.0))
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+ set(GCC_IS_NEWER_THAN_4_0 TRUE)
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+ else()
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+ set(GCC_IS_NEWER_THAN_4_0 FALSE)
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+ endif()
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+ if(NOT(${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 4.1.0))
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+ set(GCC_IS_NEWER_THAN_4_1 TRUE)
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+ else()
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+ set(GCC_IS_NEWER_THAN_4_1 FALSE)
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+ endif()
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+ if(NOT(${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 4.2.0))
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+ set(GCC_IS_NEWER_THAN_4_2 TRUE)
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+ else()
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+ set(GCC_IS_NEWER_THAN_4_2 FALSE)
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+ endif()
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endif()
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if(UNIX)
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diff --git a/cmake/modules/MacroEnsureVersion.cmake b/cmake/modules/MacroEnsureVersion.cmake
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deleted file mode 100644
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index 6797e5b7d..000000000
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--- a/cmake/modules/MacroEnsureVersion.cmake
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+++ /dev/null
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@@ -1,117 +0,0 @@
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-# 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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-
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-# MACRO_ENSURE_VERSION
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-# This macro compares version numbers of the form "x.y.z" or "x.y"
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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 the system
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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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-# 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_ENSURE_VERSION_RANGE
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-# This macro ensures that a version number of the form
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-# "x.y.z" or "x.y" 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 x,y,z 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 "x.y.z"
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-# to an integer equal to 10^4 * x + 10^2 * y + z
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-#
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-# This macro will break silently if any of x,y,z 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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-# 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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-
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-MACRO(NORMALIZE_VERSION _requested_version _normalized_version)
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- STRING(REGEX MATCH "[^0-9]*[0-9]+\\.[0-9]+\\.[0-9]+.*" _threePartMatch "${_requested_version}")
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- if (_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 "${_requested_version}")
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- else (_threePartMatch)
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- STRING(REGEX REPLACE "([0-9]+)\\.[0-9]+" "\\1" _major_vers "${_requested_version}")
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- STRING(REGEX REPLACE "[0-9]+\\.([0-9]+)" "\\1" _minor_vers "${_requested_version}")
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- set(_patch_vers "0")
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- endif (_threePartMatch)
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-
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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}*10000 + ${_minor_vers}*100 + ${_patch_vers}")
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-ENDMACRO(NORMALIZE_VERSION)
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-
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-MACRO(MACRO_CHECK_RANGE_INCLUSIVE_LOWER _lower_limit _value _upper_limit _ok)
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- if (${_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( ${_ok} FALSE )
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- else (${_value} LESS ${_lower_limit})
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- set( ${_ok} TRUE )
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- endif (${_value} LESS ${_lower_limit})
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-ENDMACRO(MACRO_CHECK_RANGE_INCLUSIVE_LOWER)
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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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-
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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 (found_vers_num LESS req_vers_num)
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- set( ${var_too_old} TRUE )
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- endif (found_vers_num LESS req_vers_num)
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-
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-ENDMACRO(MACRO_ENSURE_VERSION)
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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(MACRO_ENSURE_VERSION2)
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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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-
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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(MACRO_ENSURE_VERSION_RANGE)
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-
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-
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