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30 lines
1.4 KiB
Makefile
30 lines
1.4 KiB
Makefile
# Target triple for the build. Use arm-none-eabi if you are unsure.
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export TARGET_TRIPLE ?= arm-none-eabi
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# Toolchain prefix, defaults to target triple followed by a dash, you will most likely not need to touch this.
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export PREFIX ?= $(if $(TARGET_TRIPLE),$(TARGET_TRIPLE)-)
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# we build all cortex boards with the GNU toolchain
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include $(RIOTBOARD)/Makefile.include.gnu
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# define build specific options
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export CFLAGS_CPU = -mcpu=$(MCPU) -mlittle-endian -mthumb -mno-thumb-interwork $(CFLAGS_FPU)
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export CFLAGS_STYLE = -std=gnu99 -Wall -Wstrict-prototypes -Werror=implicit-function-declaration
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export CFLAGS_LINK = -ffunction-sections -fdata-sections -fno-builtin
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export CFLAGS_DBG ?= -ggdb -g3
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export CFLAGS_OPT ?= -Os
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export CFLAGS += $(CFLAGS_CPU) $(CFLAGS_STYLE) $(CFLAGS_LINK) $(CFLAGS_DBG) $(CFLAGS_OPT)
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export ASFLAGS += $(CFLAGS_CPU) $(CFLAGS_DEBUG)
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export LINKFLAGS += -L$(RIOTCPU)/$(CPU)/ldscripts -L$(RIOTCPU)/cortexm_common/ldscripts
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export LINKFLAGS += -T$(RIOTCPU)/$(CPU)/ldscripts/$(CPU_MODEL).ld -Wl,--fatal-warnings
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export LINKFLAGS += $(CFLAGS_DEBUG) $(CFLAGS_CPU) $(CFLAGS_STYLE) -static -lgcc -nostartfiles
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# use the nano-specs of the NewLib when available
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ifeq ($(shell $(LINK) -specs=nano.specs -E - 2>/dev/null >/dev/null </dev/null ; echo $$?),0)
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export LINKFLAGS += -specs=nano.specs -lc -lnosys
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endif
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# export board specific includes to the global includes-listing
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export INCLUDES += -I$(RIOTBOARD)/$(BOARD)/include
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