[libcxxabi] r308470 - Drop 'svn' suffix from version number.

[Dimitry Andric via cfe-commits]

On 19 Jul 2017, at 16:04, Hans Wennborg via cfe-commits <cfe-commits at lists.llvm.org> wrote:
> 
> Author: hans
> Date: Wed Jul 19 07:04:19 2017
> New Revision: 308470
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=308470&view=rev
> Log:
> Drop 'svn' suffix from version number.

[Replying to this commit, since I don't have r308469 (which does the same for llvm itself) in my mailboxes.]

Note this approach isn't effective anymore after Rafael's
https://reviews.llvm.org/rL306858, which turns on the LLVM_APPEND_VC_REV
option by default.

The handling of that option will overwrite the PACKAGE_VERSION value set
earlier in CMakeLists.txt, with the value returned from
add_version_info_from_vcs().  When using Subversion, that will always be
of the form X.Y.Zsvn-rNNNNNN.

I noticed this when preparing the 5.0.0 final import into FreeBSD, where
for example "opt -version" outputs:

LLVM (http://llvm.org/):
  LLVM version 5.0.0svn-r312559
  Optimized build with assertions.
  Default target: x86_64-unknown-freebsd12.0
  Host CPU: ivybridge

-Dimitry

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