Generating Makefile.in in File-Empty Subdir

[B.J. Black]

Hi, all!

I have a directory structure that is similar to the following:

foo/
foo/bar/
foo/bar/foobar/
foo/bar/barfoo/

The only file in foo/bar is Makefile.am, as it has no actual source in
it (just subdirs).  The foo/Makefile.am has in it:

     ...
     SUBDIRS=bar
     ...

And foo/bar/Makefile.am has only:

     SUBDIRS=foobar barfoo

and nothing else.  The issue is that, though foo/bar/foobar/Makefile.in
and foo/bar/barfoo/Makefile.in are generated, nothing is generated for
foo/bar/Makefile.in, which kills builds (especially "make dist"), due to
there being no Makefile in foo/bar.

I've Googled the heck out of this, and looked in the archives and
couldn't find anything.  Any ideas?

--bj