Re: kernel build still pulls in host includes even with -nostdinc

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Re: kernel build still pulls in host includes even with -nostdinc

From:	Vladimir 'phcoder' Serbinenko
Subject:	Re: kernel build still pulls in host includes even with -nostdinc
Date:	Sun, 19 Feb 2017 09:02:50 +0000

On Sun, Feb 19, 2017, 07:41 Andrei Borzenkov <address@hidden> wrote:

Could someone comment on this?

gcc -DHAVE_CONFIG_H -I. -I.. -Wall -W -DGRUB_MACHINE_PCBIOS=1
-DGRUB_MACHINE=I386_PC -m32 -nostdinc -isystem
/usr/lib/gcc/x86_64-linux-gnu/5/include

So we do have definitions from /usr/lib/gcc/x86_64-linux-gnu/5/include used.

How harmless/harmful is it?

We use it for va_args definition and related macros. I don't think we want to reimplement those

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kernel build still pulls in host includes even with -nostdinc, Andrei Borzenkov, 2017/02/19
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  - Re: kernel build still pulls in host includes even with -nostdinc, Colin Watson, 2017/02/19

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