+HEADER_SEARCH_PATHS = $(PROJECT_DIR)/../ $(PROJECT_DIR)/../include $(BUILT_PRODUCTS_DIR)/derived_src $(BUILT_PRODUCTS_DIR) $(PROJECT_DIR)/lib $(PROJECT_DIR)/../utilities $(inherited)
+SYSTEM_HEADER_SEARCH_PATHS = $(PROJECT_DIR)/../../header_symlinks/macOS/ $(PROJECT_DIR)/../../header_symlinks/