AX_SUBMODULE: allow .git file in submodule
commit5bd2d70c3d68eef53c84fc940c252423b587df49
authorSven Verdoolaege <skimo@kotnet.org>
Wed, 4 Dec 2013 15:03:53 +0000 (4 16:03 +0100)
committerSven Verdoolaege <skimo@kotnet.org>
Thu, 5 Dec 2013 15:54:19 +0000 (5 16:54 +0100)
tree4796a1ee52360f126c590fecf0d3266b215b3e9a
parent5a358d9e048030e37bcaf05378f7360ae4043091
AX_SUBMODULE: allow .git file in submodule

Recent versions of git place a .git file in the submodule directory
rather than a .git subdirectory.  Update AX_SUBMODULE to take this
possibility into account.

Reported-by: Vladimir Klebanov <klebanov@kit.edu>
Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
m4/ax_submodule.m4