.PHONY: help
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help:
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@make --print-data-base --question no-such-target | \
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grep -v -e '^no-such-target' -e '^makefile' | \
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awk '/^[^.%][-A-Za-z0-9_]*:/ \
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{ print substr($$1, 1, length($$1)-1) }' | \
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sort | \
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pr --omit-pagination --width=80 --columns=4 \
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$(DEST)/%.d: %.c
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@echo generating dependences of $< ...
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@test -d $(DEST)/$(shell dirname $<) || mkdir -p $(DEST)/$(shell dirname $<); \
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$(CC) -M $(CPPFLAGS) $< > $@.$$$$; \
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sed 's,\($*\)\.o[ :]*,$(DEST)/\1 $(DEST)/\1.o $@ : ,g' < $@.$$$$ > $@; \
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rm -f $@.$$$$
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$(DEST)/%.o: %.c
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$(CC) ${CPPFLAGS} $(CFLAGS) -c $(filter %.c, $^) -o $@
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$(DEST)/%/%.o: %.c
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$(CC) ${CPPFLAGS} $(CFLAGS) -c $(filter %.c, $^) -o $@
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${DEST}/%: %.o
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$(CC) $(LDFLAGS) $(filter %.o, $^) -o $@ $(LDLIBS)
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${DEST}/%: %.c
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$(CC) ${CPPFLAGS} $(CFLAGS) $(LDFLAGS) $(filter %.c, $^) -o $@ $(LDLIBS)
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gdb:
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gdb -n -x .gdbinit
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