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# -*- makefile -*-
# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Toolchain configuration build system
#
# Toolchain configuration
CROSS_COMPILE ?= arm-none-eabi-
HOST_CROSS_COMPILE ?= x86_64-pc-linux-gnu-
CC=$(CROSS_COMPILE)gcc
CPP=$(CROSS_COMPILE)cpp
LD=$(CROSS_COMPILE)ld
OBJCOPY=$(CROSS_COMPILE)objcopy
OBJDUMP=$(CROSS_COMPILE)objdump
PKG_CONFIG?=pkg-config
BUILDCC?=gcc
HOSTCC?=$(HOST_CROSS_COMPILE)gcc
CFLAGS_WARN=-Wall -Werror -Wundef -Wstrict-prototypes -Wno-trigraphs \
-fno-strict-aliasing -fno-common \
-Werror-implicit-function-declaration -Wno-format-security \
-fno-delete-null-pointer-checks -Wdeclaration-after-statement \
-Wno-pointer-sign -fno-strict-overflow -fconserve-stack
CFLAGS_DEBUG= -g
CFLAGS_INCLUDE=$(foreach i,$(includes),-I$(i) )
CFLAGS_TEST=$(if $(TEST_BUILD),-DTEST_BUILD \
-DTEST_TASKFILE=$(PROJECT).tasklist,) \
$(if $(EMU_BUILD),-DEMU_BUILD)
CFLAGS_DEFINE=-DOUTDIR=$(out) -DCHIP=$(CHIP) -DBOARD_TASKFILE=ec.tasklist \
-DBOARD=$(BOARD) -DBOARD_$(BOARD) -DCORE=$(CORE) \
-DCHIP_$(CHIP) -DCHIP_VARIANT=$(CHIP_VARIANT) \
-DCHIP_VARIANT_$(CHIP_VARIANT) -DPROJECT=$(PROJECT)
CPPFLAGS=$(CFLAGS_DEFINE) $(CFLAGS_INCLUDE) $(CFLAGS_TEST) $(EXTRA_CFLAGS)
CFLAGS=$(CPPFLAGS) $(CFLAGS_CPU) $(CFLAGS_DEBUG) $(CFLAGS_WARN) $(CFLAGS_y)
FTDIVERSION=$(shell $(PKG_CONFIG) --modversion libftdi1 2>/dev/null)
ifneq ($(FTDIVERSION),)
LIBFTDI_NAME=ftdi1
else
LIBFTDI_NAME=ftdi
endif
LIBFTDI_CFLAGS=$(shell $(PKG_CONFIG) --cflags lib${LIBFTDI_NAME})
LIBFTDI_LDLIBS=$(shell $(PKG_CONFIG) --libs lib${LIBFTDI_NAME})
BUILD_CFLAGS= $(LIBFTDI_CFLAGS) $(CPPFLAGS) -O3 $(CFLAGS_DEBUG) $(CFLAGS_WARN)
HOST_CFLAGS=$(CPPFLAGS) -O3 $(CFLAGS_DEBUG) $(CFLAGS_WARN)
LDFLAGS=-nostdlib -X
BUILD_LDFLAGS=$(LIBFTDI_LDLIBS)
# For EC emulation on host environment, we need to force 32-bit binary.
# TODO: Fix this. See crosbug.com/p/19257
HOST_TEST_LDFLAGS=-T core/host/host_exe.lds -m32 -lrt -pthread
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