AX_DETECT_GIT_HEAD: avoid empty version string
commit7973c7a0c25b65bb83fe450a6bf8a6854626c48e
authorSven van Haastregt <sven.vanhaastregt@arm.com>
Thu, 20 Feb 2014 11:14:33 +0000 (20 11:14 +0000)
committerSven Verdoolaege <skimo@kotnet.org>
Wed, 19 Mar 2014 09:54:07 +0000 (19 10:54 +0100)
tree8a14ea3de85099f397f4c88bd5824d380e02ad42
parent4ed31c61a1912d84fcc08a0d73717ea12ae95b32
AX_DETECT_GIT_HEAD: avoid empty version string

Use the --always option of git describe, such that we at least get a
commit object name in case of e.g. absence of tags.

Signed-off-by: Sven van Haastregt <sven.vanhaastregt@arm.com>
Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
m4/ax_detect_git_head.m4