[yocto] Running "yocto-bsp create .." in the source directory(poky) brings up an error. "poky directory vs build directory"

[Tom Zanussi]

Hi,

On Sun, 2014-11-23 at 22:55 +0800, Biao wrote:
> Hi all,
> I am doing excises following this section
> ----------------------------------------------------------------------
> http://www.yoctoproject.org/docs/1.7/bsp-guide/bsp-guide.html#creating-a-new-bsp-layer-using-the-yocto-bsp-script
> 1.6.2. Creating a new BSP Layer Using the yocto-bsp Script
> ...
>  $ yocto-bsp create myarm qemu
> ....
> By default, the script creates the new BSP Layer in the current
> working directory of the  Source Directory , which is  poky  in this
> case. 
> ....
> ---------------------------------------------------------------------
> To my understand, it means after "source oe-init-build-env mybuild", i
> should change to the poky directory to run the "yocto-bsp create ..."
> command,

Yes, the documentation is misleading - yocto-bsp assumes you're in the
build directory after you've sourced oe-init-build-env, and not the poky
dir.

Tom

> however, i got an error  
> " Do you need a new machine branch for this BSP (the alternative is to
> re-use an existing branch)? [y/n] [default: y] 
> The BBPATH variable is not set and bitbake did not find a
> conf/bblayers.conf file in the expected location.
> Maybe you accidentally invoked bitbake from the wrong directory?
> Couldn't find BBLAYERS in bitbake -e output, exiting." 
> It seems it is asking me to run "yocto-bsp create ..." in the build
> directory
> 
> 
> Which one is correct? Do we have a wrong document?
> 
> 
> Thanks,
> Jerry 
> 
>