failed gnome-core compilation

[David Ogilvie <dbo grendel td yale edu>]

I'm getting the following when I try to compile gnome-core:

Making all in clock
make[3]: Entering directory `/usr/local/dbo/gnome-core/applets/clock'
make[3]: *** No rule to make target `/usr/local/include/libgnomesupport/argp.h'
, needed by `clock.o'.  Stop.
make[3]: Leaving directory `/usr/local/dbo/gnome-core/applets/clock'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/usr/local/dbo/gnome-core/applets'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/usr/local/dbo/gnome-core'
make: *** [all-recursive-am] Error 2

indeed, this isn't surprising, since I have no /usr/local/include/libgnomesuppo
rt/argp.h
the file is, however, installed in the rather odd location of
/usr/local/lib/gnome-libs/include/argp.h

according to the Makefile.am in gnome-libs/support, we have 
supportincludedir = $(pkglibdir)/include

so it does seem like this is where the package installs it.  However, it makes 
no sense at all to me to put include libraries under /usr/local/lib.  Could 
someone either fix this to install into include/libgnomesupport, or else fix 
everything that expects argp.h to be there, or else explain to me what I'm 
doing wrong.

Thanks,
David