Some sources are missing, these are found in the sawmill project.

Specifically you need:
  lib/common/src/compiler.h
  lib/common/src/safe_fifo.h
  lib/common/src/timespec.h
  lib/common/src/thread.h
  lib/paths/src/paths.h

  lib/paths/src/libcommon.a
  lib/paths/src/libpaths.a