86 lines
3.1 KiB
Text
86 lines
3.1 KiB
Text
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# -*- makefile -*-
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# Copyright (c) 2014, Analog Devices, Inc. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted (subject to the limitations in the
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# disclaimer below) provided that the following conditions are met:
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#
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# - Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# - Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the
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# distribution.
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#
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# - Neither the name of Analog Devices, Inc. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
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# GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
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# HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# Author: Jim Paris <jim.paris@rigado.com>
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CROSS_COMPILE = arm-none-eabi-
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CC = $(CROSS_COMPILE)gcc
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LD = $(CROSS_COMPILE)gcc
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AS = $(CROSS_COMPILE)gcc
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AR = $(CROSS_COMPILE)ar
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NM = $(CROSS_COMPILE)nm
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OBJCOPY = $(CROSS_COMPILE)objcopy
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OBJDUMP = $(CROSS_COMPILE)objdump
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STRIP = $(CROSS_COMPILE)strip
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CFLAGS_OPT ?= -Os
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CFLAGS_DEBUG ?= -ggdb3 -fomit-frame-pointer
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CFLAGS += $(CFLAGS_OPT) $(CFLAGS_DEBUG)
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CFLAGS += -std=gnu99
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CFLAGS += -ffreestanding -mcpu=cortex-m3 -mthumb -mno-thumb-interwork
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CFLAGS += -ffunction-sections -fdata-sections -fno-common -fno-builtin
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CFLAGS += -flto
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ifdef WERROR
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CFLAGS += -Wall -Werror
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# These warnings are triggered by existing Contiki code
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CFLAGS += -Wno-error=pointer-sign
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CFLAGS += -Wno-error=char-subscripts
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CFLAGS += -Wno-error=unused-variable
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CFLAGS += -Wno-error=unused-but-set-variable
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endif
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# UIP code does not follow C aliasing rules
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CFLAGS += -fno-strict-aliasing
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LDFLAGS = $(CFLAGS)
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LDFLAGS += -specs=nosys.specs -nostartfiles
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# TODO: When it becomes more commonly available, switch to newlib-nano
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# for significant size reduction, by uncommenting this:
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# LDFLAGS += -specs=nano.specs
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LDFLAGS += -Wl,--gc-sections
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LDFLAGS += -Wl,-T$(CONTIKI_CPU)/Common/GCC/ADuCRF101.ld
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ASFLAGS += -c $(CFLAGS)
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# Compiler-specific startup code
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CONTIKI_CPU_DIRS += Common/GCC
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CONTIKI_SOURCEFILES += crt0.S
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# Rules
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%.hex: %
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$(OBJCOPY) -O ihex $^ $@
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