Makefile ignores source

[Justin Findlay]

I want to build a target like this:

$ cat Makefile.am
bin_PROGRAMS = prog
prog_SOURCES = file.f ../lib/lib.o

prog_SOURCES propagates as defined through to the Makefile, but I can't 
figure out why `make prog` doesn't include ../lib/lib.o in the gfortran 
invocation.  Is there a way to accomplish this?


Justin