I am able to generate todo list for .sh and .py files using doxygen-bash.sed file and with below Doxyfile changes. FILE_PATTERNS=.sh FILTER_PATTERNS = .sh=./doxygen-bash.sed EXTENSION_MAPPING = sh=C But i am not sure How to do the same for Makefile becase Makefile does not have extension. Here is my Makefile: include ../head.mk define CUT_MODULES := uss_engine endef define TEST_MODULES += endef define SEARCH_PATH := endef @file @todo MACH2-982 Remove this suppression. CPPFLAGS += -Wno-error CPPFLAGS...