CMake SVNVersion fixes

[Chandler Carruth]

Note that the clang side is totally hosed here compared to the LLVM side.
Compare the CMake code in Clang to VersionFromVCS.cmake which can handle
subversion, git, and git-svn gracefully. I can't even really test these
patches because clang gives up (i think) when it fails to find a .svn
directory.

I think it would be better to switch clang to use VersionFromVCS.cmake and
then consolidate improvements there.


On Sun, Feb 9, 2014 at 1:08 PM, Dmitri Gribenko <gribozavr at gmail.com> wrote:

> On Sun, Feb 9, 2014 at 7:25 PM, Kim Gräsman <kim.grasman at gmail.com> wrote:
> > ping.
>
> + Jordan, who was working on this part of code recently, if I recall
> correctly.
>
> Dmitri
>
> --
> main(i,j){for(i=2;;i++){for(j=2;j<i;j++){if(!(i%j)){j=0;break;}}if
> (j){printf("%d\n",i);}}} /*Dmitri Gribenko <gribozavr at gmail.com>*/
>
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