The paths issue your are speculating on was fixed by myself and Richard last 
November.

I would suggest running bitbake-diffsig to determine the actual sstate 
differences.

-M

On Feb 3, 2012 10:51 PM, "Scott Garman" 
<scott.a.gar...@intel.com<mailto:scott.a.gar...@intel.com>> wrote:
Hello,

I'm trying to re-use the sstate from one build directory and move it to 
another. It's not working - bitbake is rebuilding *everything*.

My hunch is the reason for this is because bblayers.conf must differ between 
the two build directories, because it uses full paths to the layer directories.

By default, when you source oe-init-build-env for the first time, it generates 
a bblayers.conf file with full paths to the default layers, meta and meta-yocto.

I thought the point of sstate was that I could copy it between build 
directories - or even different hosts - and save myself the effort of 
rebuilding everything if the remaining metadata was the same?

Scott

--
Scott Garman
Embedded Linux Engineer - Yocto Project
Intel Open Source Technology Center
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