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These are already exported by `makefiles/vars.inc.mk`. It is a prerequisite to allow handling compilation without global exports.
17 lines
624 B
Makefile
17 lines
624 B
Makefile
# Target architecture for the build. Use msp430 if you are unsure.
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export TARGET_ARCH ?= msp430
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# define build specific options
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CFLAGS_CPU = -mmcu=$(CPU_MODEL)
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# default std set to gnu99 of not overwritten by user
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ifeq (, $(filter -std=%, $(CFLAGS)))
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CFLAGS += -std=gnu99
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endif
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CFLAGS_LINK = -ffunction-sections -fdata-sections
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CFLAGS_DBG ?= -gdwarf-2
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CFLAGS_OPT ?= -Os
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CFLAGS += $(CFLAGS_CPU) $(CFLAGS_LINK) $(CFLAGS_DBG) $(CFLAGS_OPT)
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ASFLAGS += $(CFLAGS_CPU) --defsym $(CPU_MODEL)=1 $(CFLAGS_DBG)
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# export linker flags
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export LINKFLAGS += $(CFLAGS_CPU) $(CFLAGS_DBG) $(CFLAGS_OPT) -Wl,--gc-sections -static -lgcc
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