robotpkg/simulation/optitrack-gazebo bulk build results

Missing system package gazebo>=1: searching in /usr missing: /usr/bin/gazebo-[0-9]* missing: /bin/gazebo-[0-9]* missing: /usr/bin/gazebo missing: /bin/gazebo searching in /usr/pkg missing: /usr/pkg/bin/gazebo-[0-9]* missing: /usr/pkg/bin/gazebo searching in /usr/X11R7 missing: /usr/X11R7/bin/gazebo-[0-9]* missing: /usr/X11R7/bin/gazebo Please install it before continuing. - SYSTEM_PREFIX or PREFIX.gazebo can be set to the installation prefix of this package in robotpkg.conf.