nes-proj/cpu/arm/aducrf101/Makefile.aducrf101.gnu

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2014-06-30 23:51:40 +00:00
# -*- makefile -*-
# Copyright (c) 2014, Analog Devices, Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted (subject to the limitations in the
# disclaimer below) provided that the following conditions are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the
# distribution.
#
# - Neither the name of Analog Devices, Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
# GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
# HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Author: Jim Paris <jim.paris@rigado.com>
CROSS_COMPILE = arm-none-eabi-
CC = $(CROSS_COMPILE)gcc
LD = $(CROSS_COMPILE)gcc
AS = $(CROSS_COMPILE)gcc
AR = $(CROSS_COMPILE)gcc-ar
NM = $(CROSS_COMPILE)gcc-nm
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OBJCOPY = $(CROSS_COMPILE)objcopy
OBJDUMP = $(CROSS_COMPILE)objdump
STRIP = $(CROSS_COMPILE)strip
CFLAGS_OPT ?= -Os
CFLAGS_DEBUG ?= -ggdb3 -fomit-frame-pointer
CFLAGS += $(CFLAGS_OPT) $(CFLAGS_DEBUG)
CFLAGS += -std=gnu99
CFLAGS += -ffreestanding -mcpu=cortex-m3 -mthumb -mno-thumb-interwork
CFLAGS += -ffunction-sections -fdata-sections -fno-common -fno-builtin
CFLAGS += -flto
ifdef WERROR
CFLAGS += -Wall -Werror
# These warnings are triggered by existing Contiki code
CFLAGS += -Wno-error=pointer-sign
CFLAGS += -Wno-error=char-subscripts
CFLAGS += -Wno-error=unused-variable
CFLAGS += -Wno-error=unused-but-set-variable
endif
# UIP code does not follow C aliasing rules
CFLAGS += -fno-strict-aliasing
LDFLAGS = $(CFLAGS)
LDFLAGS += -specs=nosys.specs -nostartfiles
# TODO: When it becomes more commonly available, switch to newlib-nano
# for significant size reduction, by uncommenting this:
# LDFLAGS += -specs=nano.specs
LDFLAGS += -Wl,--gc-sections
LDFLAGS += -Wl,-T$(CONTIKI_CPU)/Common/GCC/ADuCRF101.ld
ASFLAGS += -c $(CFLAGS)
# Compiler-specific startup code
CONTIKI_CPU_DIRS += Common/GCC
CONTIKI_SOURCEFILES += crt0.S
# Rules
%.hex: %
$(OBJCOPY) -O ihex $^ $@