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