[FYI] {maint} amversion: add missing dependency

[Stefano Lattarini]

* m4/Makefile.am ($(top_srcdir)/m4/amversion.m4): Depend on
configure.ac, since the value of $(VERSION) can change every
time configure.ac is updated.
---
 m4/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/m4/Makefile.am b/m4/Makefile.am
index 4fa1406..b0e0d84 100644
--- a/m4/Makefile.am
+++ b/m4/Makefile.am
@@ -72,7 +72,7 @@ EXTRA_DIST = acdir/dirlist amversion.in
 # loop otherwise.
 # Use `$(top_srcdir)/m4' for the benefit of non-GNU makes: this is
 # how amversion.m4 appears in our dependencies.
-$(top_srcdir)/m4/amversion.m4: $(srcdir)/amversion.in
+$(top_srcdir)/m4/amversion.m4: $(top_srcdir)/configure.ac 
$(srcdir)/amversion.in
        $(AM_V_at)sed \
            -e 's,address@hidden@],$(VERSION),g' \
            -e 's,address@hidden@],$(APIVERSION),g' \
-- 
1.7.7.3