maintainer-makefile: work with older git for submodule check
authorEric Blake <eblake@redhat.com>
Fri, 21 Jan 2011 22:33:29 +0000 (15:33 -0700)
committerEric Blake <eblake@redhat.com>
Fri, 21 Jan 2011 22:33:29 +0000 (15:33 -0700)
commit2f41af65087fb2460779bc4e7fb62453f79ebae3
tree25eb17d4cc6185a1d9a416d82be10e1fc40556b7
parent54c0573c2f6200b8b9c88a026c7bc8cfe44e0403
maintainer-makefile: work with older git for submodule check

* top/maint.mk (public-submodule-commit): Rewrite to avoid
merge-base --independent, which Ubuntu 10.04 git 1.7.0.4 lacks.
Reported by Matthias Bolte.

Signed-off-by: Eric Blake <eblake@redhat.com>
ChangeLog
top/maint.mk