97 lines
3.6 KiB
CMake
97 lines
3.6 KiB
CMake
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##
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# Copyright 2009-2010 Jakob Westhoff. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY JAKOB WESTHOFF ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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# EVENT SHALL JAKOB WESTHOFF OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and documentation are those
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# of the authors and should not be interpreted as representing official policies,
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# either expressed or implied, of Jakob Westhoff
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##
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include(ParseArguments)
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find_package(Vala REQUIRED)
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##
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# Ensure a certain valac version is available
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#
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# The initial argument is the version to check for
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#
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# It may be followed by a optional parameter to specifiy a version range. The
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# following options are valid:
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#
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# EXACT
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# Vala needs to be available in the exact version given
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#
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# MINIMUM
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# The provided version is the minimum version. Therefore Vala needs to be
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# available in the given version or any higher version
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#
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# MAXIMUM
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# The provided version is the maximum. Therefore Vala needs to be available
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# in the given version or any version older than this
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#
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# If no option is specified the version will be treated as a minimal version.
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##
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macro(ensure_vala_version version)
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parse_arguments(ARGS "" "MINIMUM;MAXIMUM;EXACT" ${ARGN})
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set(compare_message "")
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set(error_message "")
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if(ARGS_MINIMUM)
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set(compare_message "a minimum ")
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set(error_message "or greater ")
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elseif(ARGS_MAXIMUM)
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set(compare_message "a maximum ")
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set(error_message "or less ")
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endif(ARGS_MINIMUM)
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message(STATUS
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"checking for ${compare_message}Vala version of ${version}"
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)
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unset(version_accepted)
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# MINIMUM is the default if no option is specified
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if(ARGS_EXACT)
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if(${VALA_VERSION} VERSION_EQUAL ${version} )
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set(version_accepted TRUE)
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endif(${VALA_VERSION} VERSION_EQUAL ${version})
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elseif(ARGS_MAXIMUM)
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if(${VALA_VERSION} VERSION_LESS ${version} OR ${VALA_VERSION} VERSION_EQUAL ${version})
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set(version_accepted TRUE)
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endif(${VALA_VERSION} VERSION_LESS ${version} OR ${VALA_VERSION} VERSION_EQUAL ${version})
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else(ARGS_MAXIMUM)
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if(${VALA_VERSION} VERSION_GREATER ${version} OR ${VALA_VERSION} VERSION_EQUAL ${version})
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set(version_accepted TRUE)
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endif(${VALA_VERSION} VERSION_GREATER ${version} OR ${VALA_VERSION} VERSION_EQUAL ${version})
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endif(ARGS_EXACT)
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if (NOT version_accepted)
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message(FATAL_ERROR
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"Vala version ${version} ${error_message}is required."
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)
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endif(NOT version_accepted)
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message(STATUS
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" found Vala, version ${VALA_VERSION}"
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)
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endmacro(ensure_vala_version)
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