Cannot build haifa-enabled egcs-971216 on mips-sgi-irix5.2

[amylaar@cygnus.co.uk]

>   > Unresolved:
>   > frame_pointer_rtx
>   > hard_frame_pointer_rtx
>   > arg_pointer_rtx
>   > stack_pointer_rtx
>   > pc_rtx
>   > collect2: ld returned 1 exit status
>   > make[2]: *** [genattrtab] Error 1
>   > make[2]: Leaving directory `/n/temp1/gcctest/src/escher/egcsh/gcc'
>   > make[1]: *** [bootstrap] Error 2
>   > make[1]: Leaving directory `/n/temp1/gcctest/src/escher/egcsh/gcc'
>   > make: *** [bootstrap] Error 2
> What object are the references comming from?
> 
> Those should be #defines in rtl.h.

The #defines will only have effect if all source files are compiled after
the #defines have been added.  Maybe it's a case of some old object files
(older than rtl.h) lying around?

Of course that would point to missing dependencies in
the Makefile.