lcov --remove movit.info '*_test.cpp' '*/test_util.{cpp,h}' -o movit.info
genhtml -o coverage movit.info
-HDRS = effect_chain.h effect.h input.h image_format.h init.h util.h
+HDRS = effect_chain.h effect.h input.h image_format.h init.h util.h defs.h
HDRS += $(INPUTS:=.h)
HDRS += $(EFFECTS:=.h)