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Re: How to patch sysroots file?

Gaurang Shastri
 

>>So my question is: from where is the sysroots file coming? How should I generate the patch file for the sysroots

Will, there is task called do_populate_systroot which will generate sysroots files/headers.

If you want to generate the patch, you don't require to generate "sysroot patch" but you need to know from which package the sysroot files are generated. And in your case it might be "libc-headers" so you need to create patch for "libc-headers" recipe. So at the end, it will automatically reflect in the sysroot path.

//Gaurang Shastri


On Mon, Oct 7, 2013 at 7:23 PM, Ashish Dalela <ashish.dalela@...> wrote:

I am trying to build bridge-utils. During compilation, I get the error:

/scratch/adalela/yocto/build/tmp/sysroots/qemux86/usr/include/linux/if_bridge.h:172:20: error: field 'ip6' has incomplete typeIn file included from ../libbridge/libbridge.h:24:0

But, I don't see matching file paths in git path and sysroots locations.

In sysroots path:
.../build/tmp/sysroots/qemux86
$ find . -name if_bridge.h
./usr/include/linux/if_bridge.h

In GIT path:
.../build/tmp/work/qemux86-poky-linux/linux-yocto/3.8.11+git*/linux
$ find . -name if_bridge.h
./include/uapi/linux/if_bridge.h
./include/linux/if_bridge.h

./usr/include/linux/if_bridge.h and ./include/uapi/linux/if_bridge.h are almost identical, except of #ifdef.

I can manually patch the files and the compilation is successful. But I don't know how to create the patch file for the sysroots file, because the GIT path does not have the same file. 

So my question is: from where is the sysroots file coming? How should I generate the patch file for the sysroots ./usr/include/linux/if_bridge.h?

Thanks
-Ashish

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