More extensive error reporting in sysdef perl tools. Allow sysdef merging with an empty upstream model.
component dev_build_cpptoolsplat_cpp-2.9-psion-98r2
source \src\tools\build\cpptoolsplat\cpp-2.9-psion-98r2
exports \src\tools\build\cpptoolsplat\cpp-2.9-psion-98r2\group
notes_source \component_defs\release.src
ipr T
ipr O \src\tools\build\cpptoolsplat\cpp-2.9-psion-98r2