[m-dev.] diff: detect linking with inconsistent grades

[Fergus Henderson]

Peter Schachte, you wrote:
> 
> This is certainly a step forward.  But it would be better if mmake could
> avoid the whole problem for you.  Couldn't you have foo.m compile into
> foo_grade.o (eg, list.m -> list_asm_fast_gc.o)?  Then mmake have ensure
> that each file was compiled in the right grade before even trying to link.

I think that solution would be a bit intrusive.  The long names, e.g.

	list_asm_fast_gc_tr_prof_tag3_ubf_picref.o

would be annoying.  Also it would still be easy to shoot yourself
in the foot using libraries.  (Indeed, that bug which actually
bit me was using libraries...)

-- 
Fergus Henderson <fjh at cs.mu.oz.au>   |  "I have always known that the pursuit
WWW: <http://www.cs.mu.oz.au/~fjh>   |  of excellence is a lethal habit"
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