Portia Stephens

Remove sys/sysctl.h and add missing libgen.h include

2

- sys/sysctl.h has been deprecated and should be removed - Adds missing libgen.h include when calling basename()

### Bug Description component does not take snap version when no version provided as is defined by the spec "A component might have an optionally set version. Snapcraft will have...

Unable to set components version using craftctl set version

4

### What needs to get done component versions need to be settable during override-build , just like a snap. Currently it fails with the following error RuntimeError: 'override-build' in part...