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Diffstat (limited to 'cmake/vala/ValaVersion.cmake')
| -rw-r--r-- | cmake/vala/ValaVersion.cmake | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/cmake/vala/ValaVersion.cmake b/cmake/vala/ValaVersion.cmake new file mode 100644 index 0000000..fba9df6 --- /dev/null +++ b/cmake/vala/ValaVersion.cmake @@ -0,0 +1,96 @@ +## +# Copyright 2009 Jakob Westhoff. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are met: +# +# 1. Redistributions of source code must retain the above copyright notice, +# this list of conditions and the following disclaimer. +# +# 2. Redistributions in binary form must reproduce the above copyright notice, +# this list of conditions and the following disclaimer in the documentation +# and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY JAKOB WESTHOFF ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO +# EVENT SHALL JAKOB WESTHOFF OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE +# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# The views and conclusions contained in the software and documentation are those +# of the authors and should not be interpreted as representing official policies, +# either expressed or implied, of Jakob Westhoff +## + +include(ParseArguments) +find_package(Vala REQUIRED) + +## +# Ensure a certain valac version is available +# +# The initial argument is the version to check for +# +# It may be followed by a optional parameter to specifiy a version range. The +# following options are valid: +# +# EXACT +# Vala needs to be available in the exact version given +# +# MINIMUM +# The provided version is the minimum version. Therefore Vala needs to be +# available in the given version or any higher version +# +# MAXIMUM +# The provided version is the maximum. Therefore Vala needs to be available +# in the given version or any version older than this +# +# If no option is specified the version will be treated as a minimal version. +## +macro(ensure_vala_version version) + parse_arguments(ARGS "" "MINIMUM;MAXIMUM;EXACT" ${ARGN}) + set(compare_message "") + set(error_message "") + if(ARGS_MINIMUM) + set(compare_message "a minimum ") + set(error_message "or greater ") + elseif(ARGS_MAXIMUM) + set(compare_message "a maximum ") + set(error_message "or less ") + endif(ARGS_MINIMUM) + + message(STATUS + "checking for ${compare_message}Vala version of ${version}" + ) + + unset(version_accepted) + + # MINIMUM is the default if no option is specified + if(ARGS_EXACT) + if(${VALA_VERSION} VERSION_EQUAL ${version} ) + set(version_accepted TRUE) + endif(${VALA_VERSION} VERSION_EQUAL ${version}) + elseif(ARGS_MAXIMUM) + if(${VALA_VERSION} VERSION_LESS ${version} OR ${VALA_VERSION} VERSION_EQUAL ${version}) + set(version_accepted TRUE) + endif(${VALA_VERSION} VERSION_LESS ${version} OR ${VALA_VERSION} VERSION_EQUAL ${version}) + else(ARGS_MAXIMUM) + if(${VALA_VERSION} VERSION_GREATER ${version} OR ${VALA_VERSION} VERSION_EQUAL ${version}) + set(version_accepted TRUE) + endif(${VALA_VERSION} VERSION_GREATER ${version} OR ${VALA_VERSION} VERSION_EQUAL ${version}) + endif(ARGS_EXACT) + + if (NOT version_accepted) + message(FATAL_ERROR + "Vala version ${version} ${error_message}is required." + ) + endif(NOT version_accepted) + + message(STATUS + " found Vala, version ${VALA_VERSION}" + ) +endmacro(ensure_vala_version) |