tree 28c42a679265d25ea41f4265232e2bcc167b1f49
parent 324ed1f87aedf30a45aea951edb2e717c5f9b7fb
author David Lamparter <equinox@opensourcerouting.org> 1353980096 +0000
committer David Lamparter <equinox@opensourcerouting.org> 1355322877 +0100

build: include git info

If enabled with --with-pkg-gitversion on ./configure, this will append
git version strings and branch information at the following places:
 - overall version number: 0.99.21-g0123456
 - login motd and show version: tag information + git id + branches

Sample output:
  Hello, this is Quagga (version 0.99.21-g14b49ad-dirty).
  Copyright 1996-2005 Kunihiro Ishiguro, et al.

  This is a git build of quagga_0_99_21_release-106-g14b49ad-dirty
  Associated branch(es):
	local:master

[v2]: fix build without gitinfo (add "else" branch)
[v2]: fix for repos without any tags (different git describe output)
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>