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caea069bcf
An application might want to use C11 features. The user would assume that setting `CFLAGS=-std=gnu11` in the Makefile would work. It does not since the board's Makefile.include shadows the `-std` flag. This patch removes the `-std=gnu99` from the various Makefile.includes, and sets the flag in the common Makefile.include of RIOT instead. If an `-std` flag was provided by an earlier Makefile (the application, the board, or the CPU [whilst only the former one should]), then no additional flag is set. It is first tested if the supplied compiler understands `-std=gnu99`, then `-std=c99`.
27 lines
937 B
Makefile
27 lines
937 B
Makefile
include $(RIOTBOARD)/$(BOARD)/Makefile.dep
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## the cpu to build for
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export CPU = msp430x16x
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export MCU = msp430f1611
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# toolchain config
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export PREFIX = msp430-
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export CC = $(PREFIX)gcc
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export AR = $(PREFIX)ar
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export CFLAGS += -Wstrict-prototypes -gdwarf-2 -Os -Wall -mmcu=$(MCU)
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export ASFLAGS += -mmcu=$(MCU) --defsym $(MCU)=1 --gdwarf-2
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export AS = $(PREFIX)as
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export LINK = $(PREFIX)gcc
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export SIZE = $(PREFIX)size
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export OBJCOPY = $(PREFIX)objcopy
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export LINKFLAGS = -mmcu=$(MCU) -lgcc $(BINDIR)startup.o
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export TERMPROG = $(RIOTBASE)/dist/tools/pyterm/pyterm.py
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export FLASHER = goodfet.bsl
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ifeq ($(strip $(PORT)),)
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export PORT = /dev/ttyUSB0
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endif
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export HEXFILE = $(BINDIR)$(PROJECT).hex
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export FFLAGS = --telosb -c $(PORT) -r -e -I -p $(HEXFILE)
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export INCLUDES += -I $(RIOTCPU)/msp430-common/include -I$(RIOTBOARD)/$(BOARD)/include -I$(RIOTBASE)/drivers/cc2420/include -I$(RIOTBASE)/sys/net/include
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export OFLAGS = -O ihex
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