2017-11-29 14:46:01 +00:00
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CONTIKI_ARM_DIRS += cortex-m/cm4
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CFLAGS += -mcpu=cortex-m4
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2018-02-05 16:18:08 +00:00
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LDFLAGS += -mcpu=cortex-m4 -nostartfiles
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LDFLAGS += -T $(LDSCRIPT)
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LDFLAGS += -Wl,--gc-sections,--sort-section=alignment
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LDFLAGS += -Wl,-Map=$(@:.elf=-$(TARGET).map),--cref,--no-warn-mismatch
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2018-02-06 15:22:02 +00:00
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TARGET_LIBFLAGS := ${addprefix -l:,$(TARGET_LIBFILES)}
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TARGET_LIBFLAGS += -gcc -lm -lnosys -lc
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2018-02-05 16:18:08 +00:00
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OBJCOPY_FLAGS += --gap-fill 0xff
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### Build syscalls for newlib
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MODULES += os/lib/newlib
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CPU_STARTFILES := ${addprefix $(OBJECTDIR)/,${call oname, $(CPU_START_SOURCEFILES)}}
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2017-11-29 14:46:01 +00:00
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### Compilation rules
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2018-02-05 16:18:08 +00:00
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CUSTOM_RULE_LINK = 1
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.SECONDEXPANSION:
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2017-11-29 14:46:01 +00:00
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2018-02-06 15:22:02 +00:00
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%.elf: $(CPU_STARTFILES) $$(CONTIKI_OBJECTFILES) %.o $(PROJECT_OBJECTFILES) $(PROJECT_LIBRARIES)
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2017-11-29 14:46:01 +00:00
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$(TRACE_LD)
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2018-02-06 15:22:02 +00:00
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$(Q)$(LD) $(LDFLAGS) ${filter %.o %.a,$^} -Wl,--start-group $(TARGET_LIBFLAGS) -Wl,--end-group -o $@
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2017-11-29 14:46:01 +00:00
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include $(CONTIKI)/arch/cpu/arm/cortex-m/Makefile.cortex-m
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