Re: How to patch sysroots file?

Khem Raj

On Oct 7, 2013, at 6:53 AM, 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

if you are using dylan/1.4 branch or master then we use kernel 3.8 for kernel-headers and there was an issue where
include/uapi/linux/if_bridge.h that uses a struct in6_addr but doesn't define it, you could fix the headers but
thats not sufficient. At this point I would suggest to patch bridge-utils itself to include netinet/in.h to get
the definition before including linux/if_bridge.h in file libbridge/libbridge.h that should get you around the issue.

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

In sysroots path:
$ find . -name if_bridge.h

In GIT path:
$ find . -name 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?

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