# Copyright (c) 2010 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.

export FIRMWARE_ARCH
export FIRMWARE_CONFIG_PATH

export CC ?= gcc
export CXX ?= g++
export CFLAGS

# Include compiler flags if provided.
# The CC and CFLAGS should not be overridden hereafter.
ifneq ($(FIRMWARE_CONFIG_PATH),)
include $(FIRMWARE_CONFIG_PATH)
endif

# Provides default optimization level if not set by FIRMWARE_CONFIG_PATH
ifeq (${DEBUG},)
CFLAGS ?= -O3
else
CFLAGS ?= -O0
endif

ifeq ($(FIRMWARE_ARCH),)
CFLAGS += -Wall -Werror -DCHROMEOS_ENVIRONMENT
else
CFLAGS += -Wall -Werror
endif

ifneq (${DEBUG},)
CFLAGS += -g -DVBOOT_DEBUG
endif

ifeq (${DISABLE_NDEBUG},)
CFLAGS += -DNDEBUG
endif

export TOP = $(shell pwd)
export FWDIR=$(TOP)/firmware
export HOSTDIR=$(TOP)/host
ifeq ($(FIRMWARE_ARCH),)
export INCLUDES = -I$(FWDIR)/include -I$(FWDIR)/stub/include
else
export INCLUDES = -I$(FWDIR)/include -I$(FWDIR)/arch/$(FIRMWARE_ARCH)/include
endif

export BUILD = ${TOP}/build
export FWLIB = ${BUILD}/vboot_fw.a
export HOSTLIB = ${BUILD}/vboot_host.a

ifeq ($(FIRMWARE_ARCH),)
SUBDIRS = firmware host utility cgpt tests tests/tpm_lite
else
SUBDIRS = firmware
endif

all:
	set -e; \
	for d in $(shell find ${SUBDIRS} -name '*.c' -exec  dirname {} \; |\
		 sort -u); do \
		newdir=${BUILD}/$$d; \
		if [ ! -d $$newdir ]; then \
			mkdir -p $$newdir; \
		fi; \
	done; \
	[ -z "$(FIRMWARE_ARCH)" ] && make -C utility update_tlcl_structures; \
	for i in $(SUBDIRS); do \
		make -C $$i; \
	done

clean:
	/bin/rm -rf ${BUILD}

install:
	$(MAKE) -C utility install
	$(MAKE) -C cgpt install

runtests:
	$(MAKE) -C tests runtests

rbtest:
	$(MAKE) -C tests rbtest