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30 lines
608 B
Makefile
30 lines
608 B
Makefile
CC = arm-none-eabi-gcc
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CXX = arm-none-eabi-g++
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LD = arm-none-eabi-gcc
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GDB = arm-none-eabi-gdb
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OBJCOPY = arm-none-eabi-objcopy
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SIZE = arm-none-eabi-size
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# Always generate debug information
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SFLAGS += -ggdb3
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# LTO ?= NOT(DEBUG)
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ifeq ($(DEBUG),1)
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LTO ?= 0
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else
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LTO ?= 1
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endif
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ifeq ($(LTO),1)
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# Use link-time optimization if LTO=1
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SFLAGS += -flto
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else
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# Otherwise, just get rid of unused symbols
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SFLAGS += -fdata-sections -ffunction-sections
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LDFLAGS += -Wl,--gc-sections
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endif
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SFLAGS += -mthumb -march=armv7e-m -mfloat-abi=hard -mcpu=cortex-m4 -mfpu=fpv4-sp-d16
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LDFLAGS += $(SFLAGS) -lgcc -Wl,-T,$(LDSCRIPT)
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