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1f8bd3057e
in CMake a bit more handy. Previously we would get such charming versions as the following for revision NNNN and commit-ish XXXXX: 3.1svnsvn-rNNNN 3.1svngit-svn-rNNNN 3.1svngit-svn-XXXXX The mechanism selecting betwene the latter two was particularly odd, and didn't work with all of the ways git-svn repos are set up apparently. It also misses an important point -- both the revision *and* the git commit might be relevant when working on a local branch some distance from mainline. The new logic does several things: 1) It strips the redundant initial 'svn'. 2) It always looks for a git-svn revision number base, and when found includes it in the version. 3) If the git commit-ish for the current HEAD is not exactly that revision number, it is also included. The resulting strings should roughly be: 3.1svn-rNNNN 3.1git-svn-rNNNN 3.1git-svn-rNNNN-XXXXX Suggestions on formatting etc always welcome. =] I've only looked at the LLVM version string here, not Clang's (yet). Note that the commit-ish reported is *not* terribly accurate. It updates when 'cmake' is run, not when the binary is built. Still, it may be better than nothing, especially if people have fairly long-lived git repos and branches. This is not a new limitation, just didn't want anyone to be surprised. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146323 91177308-0d34-0410-b5e6-96231b3b80d8
See docs/CMake.html for instructions on how to build LLVM with CMake.