Makefiles: add a hint on how to list these predefined macros.
No functional change.
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@ -119,6 +119,7 @@ CFLAGS += -Os
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CFLAGS += -flto
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CFLAGS += -ffunction-sections
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CFLAGS += -fdata-sections
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#CFLAGS += -dM -E # To list all predefined macros into the .o file.
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# Until we're done with basic porting ...
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CFLAGS += -D__ARMEL_NOTYET__
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@ -133,6 +133,7 @@ CFLAGS += -ffunction-sections
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CFLAGS += -finline-functions-called-once
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CFLAGS += -mcall-prologues
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CFLAGS += -Wa,-adhlns=$(@:.o=.al)
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#CFLAGS += -dM -E # To list all predefined macros into the .o file.
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LDFLAGS = -Wl,--as-needed
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@ -48,6 +48,7 @@ CFLAGS = $(EXTRA_CFLAGS)
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CFLAGS += -g -Wall -Wstrict-prototypes -Wno-format -Os $(DEFS) -std=gnu99
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CFLAGS += -funsigned-char -funsigned-bitfields -fshort-enums -I.. -I.
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CFLAGS += -DSIMULATOR -Wno-format -Wno-format-security
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#CFLAGS += -dM -E # To list all predefined macros into the .o file.
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# Satisfy all current config chip targets
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CFLAGS += -D__AVR_ATmega644__ -D__AVR_ATmega644A__ -D__AVR_ATmega644P__
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