[yocto] how to use a kernel build path in developing libs

[Khem Raj]

> On Dec 22, 2016, at 12:23 AM, Richard Zhang <richard.zhang at pica8.com> wrote:
> 
> hi all:
> 
> I am trying to add some lib related with kernel.

Unless you are writing a kernel module, using raw kernel headers and sources is generally not a good choice. Moreover
kernel does not have APIs beyond headers it exports for user space to use. So I would suggest to rethink what you are trying
to do and may be you can use the exposed kernel APIs through kernel headers  

> When I try to include the kernel build dir to the lib, i am not sure witch kernel build path should to be used :
> build/tmp/work/genericx86_64-poky-linux/linux-yocto/4.4.3/linux-genericx86_64-standard-build/
> 
> 
> Another question:
> 
> When I want to develop an application  use yocto SDK.
> After I deploy a yocto SDK toolchain that image include full target,  could I use the kernel build path for compile software?

No, unless its a kernel module.
> 
> 
> 
> Regard,
> Richard Zhang
> -- 
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