message: this should remove the infinite loop
diff: @@ -15,7 +15,6 @@ $(STAN)src/stan/model/model_header.hpp.gch : $(STAN)src/stan/model/model_header.
  $(COMPILE.cpp) $< $(OUTPUT_OPTION)
  ifeq ($(CXX_TYPE),clang)
  --include $(STAN)src/stan/model/model_header.d
  CXXFLAGS_PROGRAM += -include-pch $(STAN)src/stan/model/model_header.hpp.gch
  $(STAN_TARGETS) examples/bernoulli/bernoulli$(EXE) $(patsubst %.stan,%$(EXE),$(wildcard src/test/test-models/*.stan)) : %$(EXE) : $(STAN)src/stan/model/model_header.hpp.gch
  endif
  