tree 304efc8a28d15bf9ca1d5e9bbe26bfd37e6da16e
parent 1779c821b6738a7a4f379e848fea87726c1853dd
author Tom Finegan <tomfinegan@google.com> 1560296942 -0700
committer Tom Finegan <tomfinegan@google.com> 1560961862 +0000

cmake: Improve support for users of shallow aom clones.

Previous to this change when using shallow clones libaom would
always be relinked in all builds because the version check did
not properly handle lack of tags in shallow clones of the git
repository.

Change-Id: I49ca3c75c916fc1356f2a94a4c68340ea03ef740