51 lines
1.3 KiB
Makefile
51 lines
1.3 KiB
Makefile
# To show build commands: make
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ifneq ($(V),1)
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Q := @
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endif
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RASPPI ?= 3
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PREFIX ?= arm-none-eabi-
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CC = $(PREFIX)gcc
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CPP = $(PREFIX)g++
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AS = $(CC)
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LD = $(PREFIX)ld
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AR = $(PREFIX)ar
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ifeq ($(strip $(RASPPI)),0)
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ARCH ?= -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -mfloat-abi=hard -DRPIZERO=1
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CFLAGS += -DRPIZERO=1 -DRASPPI=1
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else ifeq ($(strip $(RASPPI)),1)
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ARCH ?= -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -mfloat-abi=hard -DRPIBPLUS=1
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CFLAGS += -DRPIBPLUS=1 -DRASPPI=1
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else ifeq ($(strip $(RASPPI)),2)
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ARCH ?= -march=armv7-a -mtune=cortex-a7 -mfpu=neon-vfpv4 -mfloat-abi=hard -marm -DRPI2=1
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CFLAGS += -DRPI2=1
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else ifeq ($(strip $(RASPPI)),3)
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ARCH ?= -march=armv8-a+crc -mtune=cortex-a53 -mfpu=neon-fp-armv8 -mfloat-abi=hard -marm -DRPI3=1
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CFLAGS += -DRPI3=1
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else
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$(error RASPPI must be one of: 0, 1, 2, 3)
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endif
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AFLAGS += $(ARCH)
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CFLAGS += $(ARCH) -Wall -Wno-psabi -fsigned-char -fno-builtin -Ofast -DNDEBUG
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CPPFLAGS += $(CFLAGS) -fno-exceptions -fno-rtti -std=c++0x -Wno-write-strings
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CFLAGS += -fno-delete-null-pointer-checks -fdata-sections -ffunction-sections -u _printf_float
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.PHONY: clean
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%.o: %.S
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@echo " AS $@"
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$(Q)$(AS) $(AFLAGS) $(INCLUDE) -c -o $@ $<
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%.o: %.c
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@echo " CC $@"
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$(Q)$(CC) $(CFLAGS) $(INCLUDE) -c -o $@ $<
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%.o: %.cpp
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@echo " CPP $@"
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$(Q)$(CPP) $(CPPFLAGS) $(INCLUDE) -c -o $@ $<
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clean:
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$(RM) *.o *.a *.elf *.lst *.img *.map
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