Re: [PATCH net-next v3 02/17] zinc: introduce minimal cryptography library

From: Andy Lutomirski
Date: Mon Sep 17 2018 - 12:07:01 EST


> On Sep 17, 2018, at 8:28 AM, Jason A. Donenfeld <Jason@xxxxxxxxx> wrote:
>
> On Mon, Sep 17, 2018 at 4:52 PM Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
>>> * (Nit) The GCC command line -include'd .h files contain variable and
>>> function definitions so they are actually .c files.
>>
>> Hmm. I would suggest just getting rid of the -include magic entirely. The resulting ifdef will be more comprehensible.
>
> I really don't think so, actually. The way the -include stuff works
> now is that the glue code is inlined in the same place that the
> assembly object file is added to the build object list, so it gels
> together cleanly, as the thing is defined and set in one single place.
> I could go back to the ifdefs - and even make them as clean as
> possible - but I think that puts more things in more places and is
> therefore more confusing. The -include system now works extremely
> well.

Is it really better than:

#ifdef CONFIG_X86_64
#include "whatever"
#endif

It seems a more obfuscated than needed to put the equivalent of that
into the Makefile, and I don't think people really like searching
through the Makefile to figure out why the code does what it does.