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Re: derived sources and parallel builds
Tom Tromey writes:
> >>>>> "Alex" == Alex Hornby <alex@anvil.co.uk> writes:
>
> >> How about just creating standard Makefile dependencies?
> >>
> >> Foo_impl.o: Foo_s.hh Foo_c.hh Foo_s.cpp Foo_c.cpp
> >> Foo_impl.$(OBJEXT): Foo_s.hh Foo_c.hh Foo_s.cpp Foo_c.cpp
>
> Alex> That would work. I wanted to avoid adding dependencies manually
> Alex> because a) I'm lazy :) and b) parallel builds are somewhat
> Alex> non-deterministic so I could never be sure we'd covered them all.
>
> Yep, it is a problem, and it gets larger the more auto-generated
> headers you have.
>
> I agree it would be nice to say "build these files before doing
> anything else". That's sort of a pain with make. One idea would be
> to introduce an "all-hook" which would be run before "all". This
> solves the common problem, but not the full one (what if the user runs
> "make some-executable"?).
>
> Tom
How about generating per executable/library hooks? That way both the
make all and make some-executable cases are covered.
Alex.