##
# Models (to be passed through stanc)
##
MODEL_HEADER := $(STAN)src/stan/model/model_header.hpp
MODEL_PCH := $(MODEL_HEADER:.hpp=.hpp.gch)
CMDSTAN_MAIN := src/cmdstan/main.cpp

$(MODEL_PCH) : $(MODEL_HEADER)
	@echo 'Compiling pre-compiled header'
	$(COMPILE.cc) $(CXXFLAGS_MPI) -O$O $(MODEL_HEADER) -o $@

.PRECIOUS: %.hpp %.o
$(patsubst %.stan,%,$(wildcard $(addsuffix .stan,$(MAKECMDGOALS)))) : %$(EXE) : %.hpp %.stan bin/stanc$(EXE) bin/stansummary$(EXE) bin/diagnose$(EXE) $(LIBMPI) $(LIBSUNDIALS) $(MODEL_PCH)
	@echo ''
	@echo '--- Linking C++ model ---'
ifneq (,$(findstring allow_undefined,$(STANCFLAGS)))
	$(LINK.cc) $(CMDSTAN_MAIN) $(if $(filter $(CC_TYPE),clang++),-include-pch $(MODEL_PCH)) -O$O $(OUTPUT_OPTION) -include $< -include $(USER_HEADER) $(LIBSUNDIALS) $(CXXFLAGS_MPI) $(LDFLAGS_MPI) $(LIBMPI)
else
	$(LINK.cc) $(CMDSTAN_MAIN) $(if $(filter $(CC_TYPE),clang++),-include-pch $(MODEL_PCH)) -O$O $(OUTPUT_OPTION) -include $< $(LIBSUNDIALS) $(CXXFLAGS_MPI) $(LDFLAGS_MPI) $(LIBMPI)
endif

.PRECIOUS: %.hpp
%.hpp : %.stan $(MODEL_HEADER) bin/stanc$(EXE)
	@echo ''
	@echo '--- Translating Stan model to C++ code ---'
	$(WINE) bin$(PATH_SEPARATOR)stanc$(EXE) $(STANCFLAGS) $< --o=$@