- changed gcc builtin settings providers to prefer non-shared
- added isIndexerAffected method override to ToolSettingsTab which
looks at new isIndexerAffected boolean
- add logic to ToolSettingsTab setOptions() method to look for
dirty options that return true for isForScannerDiscovery() or
are special options that affect include path or defines
- add performok method to ToolSettingsTab to look if isIndexerAffected
when user hits OK without hitting APPLY
- change the message for bringing up the question dialog for end-user
to choose whether to reindex or not
Change-Id: Icd740caafe638f272b6f1434d5817f2377ffe04a
9fd79b0596