Make it possible to build with libopencm3 installed in a nonstandard location
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@ -1,11 +1,12 @@
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CROSS_COMPILE ?= arm-none-eabi-
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CC = $(CROSS_COMPILE)gcc
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OBJCOPY = $(CROSS_COMPILE)objcopy
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LIBOPENCM3 ?= /usr/local/arm-none-eabi
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CFLAGS += -Istm32/include -mcpu=cortex-m3 -mthumb -msoft-float -DSTM32F1
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CFLAGS += -Istm32/include -mcpu=cortex-m3 -mthumb -msoft-float -DSTM32F1 -I$(LIBOPENCM3)/include
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LDFLAGS_BOOT = -lopencm3_stm32f1 -Wl,--defsym,_stack=0x20005000 \
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-Wl,-T,stm32/blackmagic.ld -nostartfiles -lc -lnosys -Wl,-Map=mapfile \
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-mthumb -march=armv7 -mfix-cortex-m3-ldrd -msoft-float
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-mthumb -march=armv7 -mcpu=cortex-m3 -mfix-cortex-m3-ldrd -msoft-float -L$(LIBOPENCM3)/lib/stm32/f1
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LDFLAGS = $(LDFLAGS_BOOT) -Wl,-Ttext=0x8002000
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SRC += cdcacm.c \
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