API_HEADERS = \
$(PROJECT_DIR)/include/$(PACKAGE)/perk.h \
$(PROJECT_DIR)/include/$(PACKAGE)/perk_api.h \
$(PROJECT_DIR)/include/$(PACKAGE)/perk_consts.h \
$(PROJECT_DIR)/include/$(PACKAGE)/perk_meta.h \
$(PROJECT_DIR)/include/$(PACKAGE)/perk_output.h \
$(PROJECT_DIR)/include/$(PACKAGE)/perk_structs.h
INTERNAL_HEADERS = \
$(PROJECT_DIR)/src/internal/$(PACKAGE)_impl.h
ALL_HEADERS = $(API_HEADERS) $(INTERNAL_HEADERS)