~elementary-apps/pantheon-terminal/master : revision 42

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##

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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)