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PROJECT = slaves
MCU = ATTINY85
AS = avr-as
LD = avr-ld
RM = rm -rf
MKDIR = @mkdir -p $(@D)
# Custom/TI/build resource locations.
SRCS = $(wildcard src/*.s) \
$(wildcard libs/*.s)
OBJ = obj/
OBJS = $(addprefix $(OBJ),$(notdir $(SRCS:.s=.o)))
LD_SCRIPT = ld/$(MCU).ld
# Flags.
AFLAGS = -mmcu=attiny85 --fatal-warnings # -ffunction-sections \
# -ffreestanding -fdata-sections -std=c2x -Wall -Wextra -Werror -DPART_${MCU} -c -
# Compiler/standard resource locations.
# More flags.
LDFLAGS = -T $(LD_SCRIPT) --gc-sections
# Targets.
all: bin/$(PROJECT).elf
$(OBJ)%.o: src/%.s
$(MKDIR)
$(AS) -o $@ $^ $(AFLAGS)
$(info $$PROJECT is [${PROJECT}])
bin/$(PROJECT).elf: $(OBJS)
$(MKDIR)
$(LD) -o $@ $^ $(LDFLAGS)
clean:
-$(RM) obj
-$(RM) bin
.PHONY: all clean
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