[poky] bitbake gs failed

[Kang Kai]

Hi Saul,

When I import gs (ghostscript) from oe, I copy the whole directory of gs 
from oe and put it at meta/recipes-extend/gs.  When run 'bitbake gs', 
the bitbake comlains:

ERROR: Nothing PROVIDES 'gs'
ERROR: Command execution failed: Traceback (most recent call last):
   File "/mnt/sda8/poky-neil/bitbake/lib/bb/command.py", line 102, in 
runAsyncCommand
     commandmethod(self.cmds_async, self, options)
   File "/mnt/sda8/poky-neil/bitbake/lib/bb/command.py", line 200, in 
buildTargets
     command.cooker.buildTargets(pkgs_to_build, task)
   File "/mnt/sda8/poky-neil/bitbake/lib/bb/cooker.py", line 827, in 
buildTargets
     taskdata.add_provider(localdata, self.status, k)
   File "/mnt/sda8/poky-neil/bitbake/lib/bb/taskdata.py", line 353, in 
add_provider
     self.add_provider_internal(cfgData, dataCache, item)
   File "/mnt/sda8/poky-neil/bitbake/lib/bb/taskdata.py", line 373, in 
add_provider_internal
     raise bb.providers.NoProvider(item)
NoProvider: gs

The bb file is in attachment.
Would you like to help me to check it?
Thank you!
Kai
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