beremiz

explicitly mark unused variables found by pylint with _ or dummy

pylint don't ignores unused variables with '_' in the name, even when
they are started with '_'. This bug is already fixed upstream, to fix
this in all versions of pylint custom dummy-variables-rgx is used
'_+$|(_[a-zA-Z0-9_]*[a-zA-Z0-9]+?$)|dummy'
BEREMIZ_OBJS = $(BEREMIZSRC:.c=.o)
all: warn some_binary
@echo "*** all done ***"
warn:
@echo "*** Sample Makefile, does nothing ***"
some_binary: $(BEREMIZ_OBJS)
@echo "* Would link $^ -> $@"
%.o: %.c
@echo "* Would compile $< -> $@"