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Minor cleanup (avoid setting some compiler flags twice)

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This commit is contained in:
Niclas Finne 2011-12-19 18:13:40 +01:00
parent 8aaa9d14b7
commit fd81a0d393
1 changed files with 11 additions and 12 deletions
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23
cpu/msp430/Makefile.msp430
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@ -39,6 +39,11 @@ CONTIKI_TARGET_SOURCEFILES += $(MSP430) \
CONTIKI_SOURCEFILES += $(CONTIKI_TARGET_SOURCEFILES) CONTIKI_SOURCEFILES += $(CONTIKI_TARGET_SOURCEFILES)
### Compiler definitions ### Compiler definitions
ifdef WERROR
CFLAGSWERROR=-Werror
endif
ifdef IAR ifdef IAR
CC = icc430 CC = icc430
LD = xlink LD = xlink
@ -47,7 +52,6 @@ AR = xar
OBJCOPY = ielftool OBJCOPY = ielftool
STRIP = strip STRIP = strip
ifndef IAR_PATH ifndef IAR_PATH
# This works with cygwin... # This works with cygwin...
IAR_BIN_PATH = $(shell dirname "`which $(CC)`") IAR_BIN_PATH = $(shell dirname "`which $(CC)`")
@ -87,27 +91,22 @@ NM = msp430-nm
OBJCOPY = msp430-objcopy OBJCOPY = msp430-objcopy
STRIP = msp430-strip STRIP = msp430-strip
BSL = msp430-bsl BSL = msp430-bsl
ifndef CFLAGSNO
CFLAGSNO = -Wall -mmcu=$(MCU) -g $(CFLAGSWERROR) CFLAGSNO = -Wall -mmcu=$(MCU) -g $(CFLAGSWERROR)
CFLAGS += $(CFLAGSNO) -Os -fno-strict-aliasing endif
CFLAGS += -Os -fno-strict-aliasing
LDFLAGS += -mmcu=$(MCU) -Wl,-Map=contiki-$(TARGET).map LDFLAGS += -mmcu=$(MCU) -Wl,-Map=contiki-$(TARGET).map
endif
ifdef WERROR
CFLAGSWERROR=-Werror
endif
CFLAGS += $(CFLAGSNO)
### These flags can reduce the code size and RAM usage with up to 10% ### These flags can reduce the code size and RAM usage with up to 10%
ifdef SMALL ifdef SMALL
ifndef IAR
CFLAGS += -ffunction-sections CFLAGS += -ffunction-sections
# CFLAGS += -fdata-sections # CFLAGS += -fdata-sections
LDFLAGS += -Wl,--gc-sections,--undefined=_reset_vector__,--undefined=InterruptVectors,--undefined=_copy_data_init__,--undefined=_clear_bss_init__,--undefined=_end_of_init__ LDFLAGS += -Wl,--gc-sections,--undefined=_reset_vector__,--undefined=InterruptVectors,--undefined=_copy_data_init__,--undefined=_clear_bss_init__,--undefined=_end_of_init__
endif # !IAR
endif # SMALL endif # SMALL
endif # IAR
CFLAGS += $(CFLAGSNO)
PROJECT_OBJECTFILES += ${addprefix $(OBJECTDIR)/,$(CONTIKI_TARGET_MAIN:.c=.o)} PROJECT_OBJECTFILES += ${addprefix $(OBJECTDIR)/,$(CONTIKI_TARGET_MAIN:.c=.o)}