WARNING: Host distribution "ubuntu-18.04" has not been validated with this version of the build system; you may possibly experience unexpected failures. It is recommended that you use a tested distribution.
Loading cache: 100% |Loaded 3206 entries from dependency cache.
WARNING: No bb files matched BBFILE_PATTERN_agl-distro '^/home/cheryl/guppy/meta-agl/meta-agl-distro/'
NOTE: Resolving any missing task queue dependencies
ERROR: Nothing RPROVIDES 'libvcard-dev'
NOTE: Runtime target 'libvcard-dev' is unbuildable, removing...
Missing or unbuildable dependency chain was: ['libvcard-dev']
ERROR: Required build target 'agl-cluster-demo-platform-crosssdk' has no buildable providers.
Missing or unbuildable dependency chain was: ['agl-cluster-demo-platform-crosssdk', 'libvcard-dev