Re: [PATCH v2 0/4] Add support for compiling with -ffunction-sections -fdata-sections

[Andi Kleen]

> we can probably drop a ton of ifdefs...

That would require always forcing it to on.

> an alternative approach would be to have a special build target that
> uses this, but makes a 2nd vmlinux, and then runs a diff on the symbols
> against the regular one... and finds which functions got dropped.
> Some patient soul can then go about and stick in ifdefs and stuff...

I bet that would result in horrible looking code. If the toolchain
based approach can be made to work (and from the reports of people
who tried it it sounds like it can) that would be vastly preferable.

-Andi

-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/