Found the following significant warnings:
  ./omxRFitFunction.h:27:15: warning: 'init' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./RAMInternal.h:399:15: warning: 'init' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./RAMInternal.h:400:15: warning: 'compute' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./RAMInternal.h:401:21: warning: 'getComponent' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./RAMInternal.h:402:15: warning: 'populateAttr' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./RAMInternal.h:403:43: warning: 'getDataColumnNames' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./RAMInternal.h:407:50: warning: 'getDataColumns' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./RAMInternal.h:413:45: warning: 'getThresholdInfo' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./RAMInternal.h:418:15: warning: 'invalidateCache' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./RAMInternal.h:419:15: warning: 'generateData' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./RAMInternal.h:421:15: warning: 'getExogenousPredictors' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  FellnerFitFunction.cpp:40:16: warning: 'init' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  fitMultigroup.cpp:30:15: warning: 'init' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  fitMultigroup.cpp:32:15: warning: 'addOutput' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./omxFIMLFitFunction.h:119:15: warning: 'init' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./omxFIMLFitFunction.h:121:15: warning: 'populateAttr' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./omxFIMLFitFunction.h:122:15: warning: 'invalidateCache' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./omxGREMLExpectation.h:30:16: warning: 'init' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./omxGREMLExpectation.h:31:16: warning: 'connectToData' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./omxGREMLExpectation.h:32:16: warning: 'compute' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./omxGREMLExpectation.h:33:16: warning: 'populateAttr' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./omxGREMLExpectation.h:34:22: warning: 'getComponent' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
  ./omxGREMLExpectation.h:35:15: warning: 'usesDataColumnNames' overrides a member function but is not marked 'override' [-Winconsistent-missing-override]
See ‘/data/gannet/ripley/R/packages/tests-clang/OpenMx.Rcheck/00install.out’ for details.