Re: [PATCH v2] selftests/seccomp: Fix seccomp failure by adding missing headers

[Muhammad Usama Anjum]

>> "../../../../usr/include/" directory doesn't have header files if
>> different output directory is used for kselftests build like "make -C
>> tools/tests/selftest O=build". Can you try adding recently added
>> variable, KHDR_INCLUDES here which makes this kind of headers inclusion
>> easy and correct for other build combinations as well?
>>
>>
> 
> Hi Muhammad,
> 
> I just pulled linux-next, and tried with KHDR_INCLUDES. It works. Very nice 
> work! I really appreciate you made headers inclusion compatible. However, 
> my case is a little more complicated. It will throw warnings with -I, using 
> -isystem can suppress these warnings, more details please refer to 
> https://lore.kernel.org/all/C340461A-6FD2-440A-8EFC-D7E85BF48DB5@xxxxxxxxxx/
> 
> According to this case, do you think will it be better to export header path 
> (KHDR_INCLUDES) without “-I”?
Well said. I've thought about it and it seems like -isystem is better
than -I. I've sent a patch:
https://lore.kernel.org/linux-kselftest/20220214160756.3543590-1-usama.anjum@xxxxxxxxxxxxx/
I'm looking forward to discussion on it.

Thanks,
Usama