David Neto 9166854ac9 Add CHANGES file with high level software history ... Add a high level version number for SPIRV-Tools, beginning with v2016.0-dev. The README describes the format of the version number. The high level version number is extracted from the CHANGES file. That works around: - stale-bait for when we don't add tags to the repository - our inability to add tags to the repository Option --version causes spirv-as, spirv-dis, and spirv-val to show the high level version number. Add spvSoftwareVersionString to return the C-string for the high level version number. Add spvSoftwareVersionDetailsString() so that clients can get more information if they want to. Also allows us to clean up the uses in the tool executables files, so now only one file includes build-version.inc. Move the update-build-version logic to the only CMakeLists file that needs it. The update build version script takes a new argument to name the output file.		2016-04-22 15:19:45 -04:00
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as.cpp	Add CHANGES file with high level software history	2016-04-22 15:19:45 -04:00