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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
HOST_CROSS_COMPILE ?= x86_64-pc-linux-gnu-
CC=ccache $(CROSS_COMPILE)gcc
CPP=ccache $(CROSS_COMPILE)cpp
LD=$(CROSS_COMPILE)ld
NM=$(CROSS_COMPILE)nm
OBJCOPY=$(CROSS_COMPILE)objcopy
OBJDUMP=$(CROSS_COMPILE)objdump
PKG_CONFIG?=pkg-config
BUILDCC?=ccache gcc
HOSTCC?=ccache $(HOST_CROSS_COMPILE)gcc
HOSTCXX?=ccache $(HOST_CROSS_COMPILE)g++
C_WARN = -Wstrict-prototypes -Wdeclaration-after-statement -Wno-pointer-sign
COMMON_WARN = -Wall -Werror -Wundef -Wno-trigraphs -fno-strict-aliasing \
-fno-common -Werror-implicit-function-declaration \
-Wno-format-security -fno-strict-overflow
CFLAGS_WARN = $(COMMON_WARN) $(C_WARN)
CXXFLAGS_WARN = $(COMMON_WARN)
CFLAGS_DEBUG= -g
CFLAGS_INCLUDE=$(foreach i,$(includes),-I$(i) ) -I.
CFLAGS_TEST=$(if $(TEST_BUILD),-DTEST_BUILD \
-DTEST_TASKFILE=$(PROJECT).tasklist,) \
$(if $(EMU_BUILD),-DEMU_BUILD) \
$(if $($(PROJECT)-scale),-DTEST_TIME_SCALE=$($(PROJECT)-scale)) \
-DTEST_$(PROJECT) -DTEST_$(UC_PROJECT)
CFLAGS_COVERAGE=$(if $(TEST_COVERAGE),-fprofile-arcs -ftest-coverage \
-DTEST_COVERAGE,)
CFLAGS_DEFINE=-DOUTDIR=$(out)/$(BLD) -DCHIP=$(CHIP) -DBOARD_TASKFILE=$(_tsk_lst_file) \
-DBOARD=$(BOARD) -DCORE=$(CORE) -DPROJECT=$(PROJECT) \
-DCHIP_VARIANT=$(CHIP_VARIANT) -DCHIP_FAMILY=$(CHIP_FAMILY) \
-DBOARD_$(UC_BOARD) -DCHIP_$(UC_CHIP) -DCORE_$(UC_CORE) \
-DCHIP_VARIANT_$(UC_CHIP_VARIANT) -DCHIP_FAMILY_$(UC_CHIP_FAMILY) \
-DFINAL_OUTDIR=$(out)
CPPFLAGS=$(CFLAGS_DEFINE) $(CFLAGS_INCLUDE) $(CFLAGS_TEST) \
$(EXTRA_CFLAGS) $(CFLAGS_COVERAGE) $(LATE_CFLAGS_DEFINE) \
-DSECTION_IS_$(BLD) -DSECTION=$(BLD)
BUILD_CPPFLAGS=$(CFLAGS_DEFINE) $(CFLAGS_INCLUDE) $(CFLAGS_TEST) \
$(EXTRA_CFLAGS) $(CFLAGS_COVERAGE) $(LATE_CFLAGS_DEFINE) \
-DSECTION_IS_$(BLD) -DSECTION=$(BLD)
HOST_CPPFLAGS=$(CFLAGS_DEFINE) $(CFLAGS_INCLUDE) $(CFLAGS_TEST) \
$(EXTRA_CFLAGS) $(CFLAGS_COVERAGE) $(LATE_CFLAGS_DEFINE) \
-DSECTION_IS_$(BLD) -DSECTION=$(BLD)
ifneq ($(BOARD),host)
CPPFLAGS+=-ffreestanding -fno-builtin -nostdinc -nostdlib
CPPFLAGS+=-Ibuiltin/
endif
CFLAGS=$(CPPFLAGS) $(CFLAGS_CPU) $(CFLAGS_DEBUG) $(CFLAGS_WARN) $(CFLAGS_y)
CFLAGS+= -ffunction-sections -fshort-wchar
CFLAGS+= -fno-delete-null-pointer-checks -fconserve-stack
FTDIVERSION=$(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) $(BUILD_CPPFLAGS) -O3 $(CFLAGS_DEBUG) $(CFLAGS_WARN)
HOST_CFLAGS=$(HOST_CPPFLAGS) -O3 $(CFLAGS_DEBUG) $(CFLAGS_WARN) -DHOST_TOOLS_BUILD
LDFLAGS=-nostdlib -Wl,-X -Wl,--gc-sections -Wl,--build-id=none $(LDFLAGS_EXTRA)
BUILD_LDFLAGS=$(LIBFTDI_LDLIBS)
HOST_TEST_LDFLAGS=-T core/host/host_exe.lds -lrt -pthread -rdynamic -lm\
$(if $(TEST_COVERAGE),-fprofile-arcs,)
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