List all sources explicitly.
List all sources explicitly.

This avoids issues when attempting to compile unit tests for which the
dependencies are not met, such as actor_pcap.cc when libpcap is absent.

vast-io/vast,pmos69/vast,vast-io/vast,vast-io/vast,mavam/vast,mavam/vast,pmos69/vast,vast-io/vast,vast-io/vast,pmos69/vast,mavam/vast,mavam/vast,pmos69/vast