From mboxrd@z Thu Jan  1 00:00:00 1970
From: Martin Peevski <martin@ronetix.at>
Date: Fri, 16 Nov 2012 17:53:25 +0200
Subject: [Buildroot] Buildroot fail to build when configure for dev
 managment: dynamically with udev
In-Reply-To: <20121116164504.6270393b@skate>
References: <50A65094.7080202@ronetix.at> <50A6539F.8040507@gmail.com>
 <50A65565.9050001@ronetix.at> <50A6559A.3050300@gmail.com>
 <20121116164504.6270393b@skate>
Message-ID: <50A66175.6090107@ronetix.at>
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To: buildroot@busybox.net

On 16/11/12 17:45, Thomas Petazzoni wrote:
> On Fri, 16 Nov 2012 16:02:50 +0100, Zoltan Gyarmati wrote:
>
>>> Thanks for the fast response but when I configure Buildroot to use
>>> external toolchain the Kernel headers option dissapear. Any other advice?
>> yes, in this case it comes from the toolchain itself, sou you have to
>> check it in the toolchain.
> If Martin is using the external toolchain backend, then he cannot check
> anything related to the kernel headers version in the menuconfig.
> External toolchains are pre-built toolchains, so Buildroot just uses
> them as-is, you have no way of changing the Buildroot version.
>
> Martin: your external toolchain is using too old kernel headers to
> build udev. So your options are:
>
>   *) Use a more recent external toolchain that will have more recent
>      kernel headers.
>
>   *) Add a patch to udev that defines BTN_TRIGGER_HAPPY to the correct
>      value when it is not already defined by kernel headers.
>
> BTW, which external toolchain are you using?
>
> Thanks,
>
> Thomas

Thanks, Thomas! I use arm-oe-gnueabi- toolchain. Can you explain how to 
add a patch to udev to correct the problem?

I'm afraid of using another toolchain because I compile the Kernel and 
the rootfs separately.