# -*- 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,)
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)