linux-kernel - Re: tools: Consolidate types.h

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Date:	Wed, 6 May 2015 19:17:49 +0200
From:	Borislav Petkov <bp@...e.de>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Rusty Russell <rusty@...tcorp.com.au>,
	Jiri Olsa <jolsa@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: tools: Consolidate types.h

On Wed, May 06, 2015 at 06:54:00PM +0200, Oleg Nesterov wrote:
> Hi,
> 
> I can't build the kernel after "git pull",

You mean, you can't build perf tool...?

> 
> 	In file included from /usr/include/asm/types.h:4,
> 			 from ./tools/include/linux/types.h:9,
> 			 from ./include/uapi/linux/elf.h:4,
> 			 from arch/x86/vdso/vdso2c.c:66:
> 	./include/uapi/asm-generic/int-ll64.h:11:29: error: asm/bitsperlong.h: No such file or directory
> 
> I am not 100% sure but it seems that this was broken by
> d944c4eebcf4c0d5e5d9728fec110cbf0047ad7f "tools: Consolidate types.h"
> 
> Don't we need the patch below? Or should I finally update my (very old)
> distro which doesn't have /usr/include/asm/bitsperlong.h ?
> 
> Oleg.
> 
> 
> diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile
> index 275a3a8..e970320 100644
> --- a/arch/x86/vdso/Makefile
> +++ b/arch/x86/vdso/Makefile
> @@ -51,7 +51,7 @@ VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \
>  $(obj)/vdso64.so.dbg: $(src)/vdso.lds $(vobjs) FORCE
>  	$(call if_changed,vdso)
>  
> -HOST_EXTRACFLAGS += -I$(srctree)/tools/include -I$(srctree)/include/uapi
> +HOST_EXTRACFLAGS += -I$(srctree)/tools/include -I$(srctree)/include/uapi -I$(srctree)/arch/x86/include/uapi

Do you have kernel-headers installed on your distro? That's
basically those uapi headers packaged separately. There's also "make
headers_install" which should probably do that (haven't tried it
though).

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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