## discard any %VTEXI% file found in a VPATH seatch.
%VTEXI%: %MAINTAINER-MODE% %STAMPVTI%
-## Depend on %CONFIGURE-AC% so that version number updates cause a
-## rebuild.
-%STAMPVTI%: %TEXI% $(top_srcdir)/%CONFIGURE-AC%
+## Depend on configure so that version number updates cause a rebuild.
+## (Not configure.ac, because not all setups define the version number
+## in this file.)
+%STAMPVTI%: %TEXI% $(top_srcdir)/configure
## It is wrong to have %STAMPTVTI% dependent on %DIRSTAMP%, because
## %STAMPVTI% is distributed and %DIRSTAMP% isn't: a distributed file
## should never be dependent upon a non-distributed built file.