minimising dependencies might have helped after all by ecluding something that's getting updated that maybe shouldn't. Try it out again.
component dev_build_imgtools_sisutils
source \src\tools\dev\build\imgtools\sisutils
binary \src\tools\dev\build\imgtools\sisutils\group all
exports \src\tools\dev\build\imgtools\sisutils\group
notes_source \component_defs\release.src
ipr T