It looks like I'm having problems to write from @lrde. Sorry
about duplicates if they finally arrive.
commit d7d165a2386db7ba2bf44087aef9dd097bc2f8fd
Author: Akim Demaille <a...@lrde.epita.fr>
Date: Sat Jul 28 12:40:53 2012 +0200
maint.mk: absolute VPATH build fix
* top/maint.mk (gpg_key_ID): Help git find .git when, for instance,
$(srcdir) is not a parent of $(builddir).
diff --git a/top/maint.mk b/top/maint.mk
index baff0e9..386959b 100644
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -1257,7 +1257,7 @@ bootstrap-tools ?= autoconf,automake,gnulib
# If it's not already specified, derive the GPG key ID from
# the signed tag we've just applied to mark this release.
gpg_key_ID ?= \
- $$(git cat-file tag v$(VERSION) \
+ $$(git --git-dir $(srcdir)/.git cat-file tag v$(VERSION) \
| gpgv --status-fd 1 --keyring /dev/null - - 2>/dev/null \
| awk '/^\[GNUPG:\] ERRSIG / {print $$3; exit}')
