Quinn
dd590b9f42
One issue is that dependencies are not properly generated, this will be implemented later.
60 lines
1.7 KiB
Makefile
60 lines
1.7 KiB
Makefile
SHELL = /bin/sh
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.SUFFIXES: # Disable implicit rules.
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CC = avr-gcc
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CFLAGS := $(CFLAGS) -mmcu=avr128da28 -Os -std=gnu99 -Wall -Wextra -Wpedantic -Wno-pointer-arith
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CPPFLAGS := $(CPPFLAGS) -Iinclude -DNDEBUG
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ASFLAGS := $(ASFLAGS) -mmcu=avr128da28 -Os
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LDFLAGS := $(LDFLAGS) -nostdlib -flto
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LDLIBS := $(LDLIBS) -lgcc
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# Find source files
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SRC := $(shell find src/ -name '*.[cS]' -print)
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DIR := $($(sort $(foreach f,$(SRC),$(dir $f))):%=obj/%) bin/
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# Configure common functions for logging
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msg-as = $(info [AS] $(1))
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msg-cc = $(info [CC] $(1))
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msg-clean = $(info [CLEAN] $(1))
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msg-ld = $(info [LD] $(1))
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msg-tar = $(info [TAR] $(1))
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msg-xxd = $(info [XXD] $(1))
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# Set Q to @ to silence commands being printed, if --no-silent has not been set
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ifeq (0, $(words $(findstring --no-silent,$(MAKEFLAGS))))
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Q=@
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endif
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.PHONY: $(DIR) all clean
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all: bin/a.out bin/a.hex
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clean:; $(Q)-$(RM) -rv bin/ obj/
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# Links object files to a binary
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bin/a.out: $(SRC:%=obj/%.o)
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$(Q)$(call msg-ld,$@)
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$(Q)$(CC) $(LDFLAGS) $(LDLIBS) -o $@ $^
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# Links object files to a stripped binary
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bin/a.hex: $(SRC:%=obj/%.o)
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$(Q)$(call msg-ld,$@)
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$(Q)$(CC) -s $(LDFLAGS) $(LDLIBS) -o $@ $^
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# Assembles preprocessed assembly into object files
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obj/%.S.d: %.S; $Q$(CC) -MM $(ASFLAGS) $(CPPFLAGS) -MF $@ $<
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obj/%.S.o: %.S
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$(Q)$(call msg-as,$@)
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$(Q)$(CC) -c $(ASFLAGS) $(CPPFLAGS) -o $@ $<
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# Compiles C sources into object files
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obj/%.c.d: %.c; $Q$(CC) -MM $(CFLAGS) $(CPPFLAGS) -MF $@ $<
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obj/%.c.o: %.c %.c.d
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$(Q)mkdir $(@D)
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$(Q)$(call msg-cc,$@)
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$(Q)$(CC) -c $(CFLAGS) $(CPPFLAGS) -o $@ $<
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# Include dependencies, ignoring any errors that may occur when doing so.
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ifeq (0, $(words $(findstring $(MAKECMDGOALS), clean)))
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# -include $(SRC:%=obj/%.d)
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endif
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