Re: [cc65] Please critique this makefile

Hi,

> http://www.pascalschmidt.de/cc65/Makefile

Some remarks:

1. Based on the scenario in which the Makefile is used one would
remove everything above the '####' line and rather supply those values
on the GNU make cmdline. That would then bring it quite close to the
"universal" idea pointed out in postings above.

2. If actually using the Makefile one should turn it somewhat less
verbose by prefixing the last three commands in the C source file
compilation recipe with a '@'.

3. Even if the Makefile shouldn't be readable well after going through
some email formatting I'm reproducing it below (with the '@'s) for the
sake of the completeness of the mailing list archive...

SOURCEDIR := src
OBJECTDIR := obj

PROGRAM := foobar

CFLAGS  := -O
ASFLAGS :=
LDFLAGS :=

################################################################################

CC := $(CC65_HOME)/bin/cc65
CA := $(CC65_HOME)/bin/ca65
LD := $(CC65_HOME)/bin/ld65

SOURCES := $(wildcard $(SOURCEDIR)/*.c)
DEPENDS := $(addsuffix .d,$(basename $(addprefix
$(OBJECTDIR)/,$(notdir $(SOURCES)))))
SOURCES += $(wildcard $(SOURCEDIR)/*.s)
OBJECTS := $(addsuffix .o,$(basename $(addprefix
$(OBJECTDIR)/,$(notdir $(SOURCES)))))

.SUFFIXES:
.PHONY: all clean
all: $(PROGRAM)

ifneq ($(MAKECMDGOALS),clean)
-include $(DEPENDS)
endif

$(OBJECTDIR):
	mkdir $@

$(OBJECTDIR)/%.o: $(SOURCEDIR)/%.c | $(OBJECTDIR)
	$(CC) -t $(CC65_TARGET) -I $(SOURCEDIR) $(CFLAGS) --create-dep $< -o $(@:.o=.s)
	@$(CA) -t $(CC65_TARGET) $(@:.o=.s) -o $@
	@sed -e"s!.s:!.o:!p" -e"s![^\t]*\t\(.*\)!\1:!" < $(@:.o=.u) > $(@:.o=.d)
	@rm -f $(@:.o=.s) $(@:.o=.u)

$(OBJECTDIR)/%.o: $(SOURCEDIR)/%.s | $(OBJECTDIR)
	$(CA) -t $(CC65_TARGET) -I $(SOURCEDIR) $(ASFLAGS) $< -o $@

$(PROGRAM): $(OBJECTS)
	$(LD) -t $(CC65_TARGET) $(LDFLAGS) $^ $(CC65_TARGET).lib -m $@.map -o $@

clean:
	rm -f $(OBJECTS) $(DEPENDS) $(PROGRAM) $(PROGRAM).map
	rmdir $(OBJECTDIR)
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