[OpenWrt-Devel] seccomp patch lead to build failures

[Kevin Darbyshire-Bryant]

On 26/03/2015 18:39, John Crispin wrote:
>
> On 26/03/2015 19:17, Dirk Neukirchen wrote:
>>     procd: add jail support 45010
>>
>> leads to build errors on some? arches
>>
>> On omap I get:
>> /jail/seccomp-bpf.h:72:3: error: #w$
>>  # warning "Platform does not support seccomp filter yet"
>>
>> which fails the build completely (-Werror issue)
>>
>> I think there are some issues with other arch/detection when building libseccomp
>> especially for PowerPC arch:
>> - http://buildbot.openwrt.org:8010/broken_packages/mpc85xx/libseccomp/compile.txt
>> - http://buildbot.openwrt.org:8010/broken_packages/mpc83xx/
>>
>> because I think atm there is no powerpc support:
>> I looked in: https://github.com/seccomp/libseccomp/tree/master/src
>> _______________________________________________
>> openwrt-devel mailing list
>> openwrt-devel at lists.openwrt.org
>> https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
>>
>
> fix coming up, just started a ppc build to verify
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Hi John,

Earlier today I was working on some dnsmasq changes.  When I pulled the
latest updates I was surprised by the (new to me) 'jail' related
updates.  Is there any documentation that I may be able to read to
understand how I can update my latest changes and retain compatibility? 
I was more than surprised to find dnsmasq running as root :-)  I'm
guessing this is some sort of 'sandboxing'/chroot/virtual filesystem
type arrangement but I'm guessing.

Many thanks,

Kevin

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