Re: libsanitizer merge from upstream r208536

[Konstantin Serebryany <konstantin dot s dot serebryany at gmail dot com>]

A new patch based on r209283.
This one has the H.J.'s patches for x32.

On Thu, May 15, 2014 at 12:39 PM, Jakub Jelinek <jakub@redhat.com> wrote:
> On Thu, May 15, 2014 at 12:20:06PM +0400, Yury Gribov wrote:
>> On 05/15/2014 12:05 PM, Konstantin Serebryany wrote:
>> >No. We have to support too many build systems and hence do not want
>> >any configure step.
>> >All configuration has to be done in the sources.
>>
>> Yeah, I see your point. But filling code with magic constants isn't
>> very nice either.
>>
>> We could make a separate CMake check like GetTargetStructSize or
>> something (somewhere in projects/compiler-rt/make/platform/*.mk).
>
> Also, I'd suggest to have a look at glibc or libgomp how a directory system
> with easily overridable target specific headers is way better than a maze of
> #ifdefs all around the source.
> I mean glibc sysdeps/ stuff or libgomp config/ stuff (the latter is far more
> limited of course).
> So, individual structures/constants/defines (or related groups thereof)
> could be split into separate headers, and have target specific set of
> -I arguments added by the Makefile/CMake, so that you can have some
> defaults, some per-CPU defaults, some OS defaults and some per-CPU OS
> defaults.  Say, you could have a header file with layout of kernel stat
> structure, one for Linux, another one for Darwin, another one for Windows,
> and then if say on ppc64-linux it is different, it could supply it's own
> file that would override the generic Linux one.
>
>         Jakub

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