title: WARNING: No bb files matched BBFILE_PATTERN_core
body: <p>I am working with yocto, I have a freescale yocto image which is provided for us from freescale with fido poky and all its bsp meta layers. Now I want to upgrade this to krogoth.</p>
  
  <p>When I replaced fido poky with krogoth poky. It is giving below error. Even though I have provided all the necessary meta layers in bblayers.conf file</p>
  
  <pre><code> WARNING: No bb files matched BBFILE_PATTERN_core '^/home/a/bsp12/poky/meta/'
  
   WARNING: No bb files matched BBFILE_PATTERN_yocto '^/home/a/bsp12/poky/meta-poky/'
  
   WARNING: No bb files matched BBFILE_PATTERN_yoctobsp '^/home/a/bsp12/poky/meta-yocto-bsp/'
  
   WARNING: No bb files matched BBFILE_PATTERN_fsl-arm '^/home/a/bsp12/meta-fsl-arm/'
  
   WARNING: No bb files matched BBFILE_PATTERN_fsl-networking '^/home/a/bsp12/meta-fsl-networking/'
  
   ERROR: Nothing PROVIDES 'fsl-image-core'
  </code></pre>