SuperbuildMacros: make dummy projects disconnected
This avoids needless rebuilds on anything requiring a dummy project.
@wascott This should help with some of the needless rebuilds at least.
Cc: @aron.helser
This avoids needless rebuilds on anything requiring a dummy project.
@wascott This should help with some of the needless rebuilds at least.
Cc: @aron.helser