#!/bin/bash
#
#  coreboot autobuild
#
#  This script builds coreboot images for all available targets.
#
#  (C) 2004 by Stefan Reinauer <stepan@openbios.org>
#  (C) 2006-2010 by coresystems GmbH <info@coresystems.de>
#  (C) 2013-2014 Sage Electronic Engineering, LLC
#  (C) 2014 Patrick Georgi <patrick@georgi-clan.de>
#
#  This file is subject to the terms and conditions of the GNU General
#  Public License. See the file COPYING in the main directory of this
#  archive for more details.
#

#set -x # Turn echo on....

ABUILD_DATE="Nov 23, 2016"
ABUILD_VERSION="0.10.0"

TOP=$PWD

# Where shall we place all the build trees?
TARGET=${COREBOOT_BUILD_DIR:-coreboot-builds}
XMLFILE=$TOP/abuild.xml
REAL_XMLFILE=$XMLFILE

export KCONFIG_OVERWRITECONFIG=1

# path to payload. Should be more generic
PAYLOAD=/dev/null

# path to coreboot XGCC
XGCCPATH="`pwd`/util/crossgcc/xgcc/bin/"

# Add XGCC to the path.
if [ -d "$XGCCPATH" ] && [[ ":$PATH:" != *":$XGCCPATH:"* ]]; then
	PATH="$XGCCPATH:$PATH"
fi

# Lines of error context to be printed in FAILURE case
CONTEXT=12

# Configure-only mode
configureonly=0

# Did any board fail to build?
failed=0

# default: single CPU build
cpus=1

# change with -d <directory>
configdir="$TOP/configs"

# One might want to adjust these in case of cross compiling
for i in make gmake gnumake nonexistant_make; do
	$i --version 2>/dev/null |grep "GNU Make" >/dev/null && break
done
if [ "$i" = "nonexistant_make" ]; then
	echo No GNU Make found.
	exit 1
fi
MAKE=$i

# this can be changed to junit by -J
mode=text

# silent mode.. no compiler calls, only warnings in the log files.
# this is disabled per default but can be enabled with -s
silent=

# quiet mode: only print pass, failure, and 'skipped' messages
quiet=false

# clang mode enabled by -sb option.
scanbuild=false

ARCH=`uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
	-e s/i86pc/i386/ \
	-e s/arm.*/arm/ -e s/sa110/arm/ -e s/x86_64/amd64/ \
	-e "s/Power Macintosh/ppc/"`

trap interrupt INT

function interrupt
{
	printf "\n$0: execution interrupted manually.\n"
	if [ "$mode" == "junit" ]; then
		printf "$0: deleting incomplete xml output file.\n"
	fi
	exit 1
}

function debug
{
	test "$verbose" == "true" && printf "$*\n"
}

function junit
{
	test "$mode" == "junit" && printf "$*\n" >> $XMLFILE
	return 0
}

function junitfile
{
	test "$mode" == "junit" && {
		printf '<![CDATA[\n'
		cat $1
		printf ']]>\n'
	} >> $XMLFILE
}

# Return mainboard descriptors.
# By default all mainboards are listed, but when passing a two-level path
# below src/mainboard, such as emulation/qemu-i440fx, or emulation/*, it
# returns all board descriptors in that hierarchy.
function get_mainboards
{
	local search_space=${1-*/*}
	grep -h "^[[:space:]]*config\>[[:space:]]*\<BOARD_" \
		${ROOT}/src/mainboard/${search_space}/Kconfig.name 2>/dev/null | \
		sed "s,^.*\<BOARD_\([A-Z0-9_]*\)\>.*$,\1,"
}

# Given a mainboard descriptor, return its directory below src/mainboard
function mainboard_directory
{
	local MAINBOARD=$1

	grep -l "^[[:space:]]*config\>[[:space:]]*\<BOARD_${MAINBOARD}\>" \
		${ROOT}/src/mainboard/*/*/Kconfig.name | \
		sed "s:^$ROOT/src/mainboard/\(.*\)/Kconfig.name$:\1:"
}

# Given a mainboard descriptor, return its vendor (CONFIG_VENDOR_*)
function mainboard_vendor
{
	local MAINBOARD=$1

	local kconfig_file=$( \
	grep -l "^[[:space:]]*config\>[[:space:]]*\<BOARD_${MAINBOARD}\>" \
		${ROOT}/src/mainboard/*/*/Kconfig.name | \
		sed "s:^\(${ROOT}/src/mainboard/.*\)/.*/\(Kconfig.name\)$:\1/\2:" )
	if [ ! -f "$kconfig_file" ]; then
		exit 1
	fi
	grep "^[[:space:]]*config\>[[:space:]]*\<VENDOR_" $kconfig_file | \
		sed "s,^.*\<VENDOR_\([A-Z0-9_]*\)\>.*$,\1,"
}

# Accepts directory names (eg. emulation/qemu-i440fx) and mainboard
# descriptors (eg. EMULATION_QEMU_X86_I440F} and returns the latter
# format.
# If a directory contains multiple boards, returns them all.
function normalize_target
{
	local targets=$(get_mainboards $1)
	if [ -n "$targets" ]; then
		echo $targets
		return
	fi

	local targets=$(echo $1 | tr ',' ' ')
	for i in $targets; do
		if [ -n "$(mainboard_directory $i)" ]; then
			echo $i
		else
			echo "$i is not a valid target" >&2
			exit 1
		fi
	done
}

function create_config
{
	local BUILD_NAME=$1
	local build_dir=$2

	local config_file=${build_dir}/config.build
	local board_srcdir=$(mainboard_directory ${BUILD_NAME})

	mkdir -p ${build_dir}
	mkdir -p $TARGET/sharedutils

	if [ "$quiet" == "false" ]; then printf "  Creating config file for $BUILD_NAME... \n"; fi
	printf "CONFIG_VENDOR_$(mainboard_vendor ${BUILD_NAME})=y\n" > ${config_file}
	printf "CONFIG_BOARD_${BUILD_NAME}=y\n" >> ${config_file}
	grep "select[\t ]*ARCH" ${ROOT}/src/mainboard/${board_srcdir}/Kconfig | \
		sed "s,^.*\(ARCH_.*\)[^A-Z0-9_]*,CONFIG_\1=y," >> ${config_file}
	printf "CONFIG_MAINBOARD_DIR=\"${board_srcdir}\"\n" >> ${config_file}

	update_config "$BUILD_NAME" "$build_dir" "$config_file"

	ret=$?
	if [ $ret -eq 0 ]; then
		if [ "$quiet" == "false" ]; then printf "  $BUILD_NAME config created.\n"; fi
		return 0
	else
		# Does this ever happen?
		if [ "$quiet" == "false" ]; then printf "$BUILD_NAME config creation FAILED!\nLog excerpt:\n"; fi
		tail -n $CONTEXT $build_dir/config.log 2> /dev/null || tail -$CONTEXT $build_dir/config.log
		return 1
	fi
}

function update_config
{
	local BUILD_NAME=$1
	local build_dir=$2
	local config_file=$3

	local defconfig_file
	defconfig_file=${build_dir}/config.$(echo "${BUILD_NAME}" | tr '[:upper:]' '[:lower:]').default

	# get a working payload for the board if we have one.
	# the --payload option expects a directory containing
	# a shell script payload.sh
	#   Usage: payload.sh [BOARD]
	# the script returns an absolute path to the payload binary.

	if [ -f "$payloads/payload.sh" ]; then
		local PAYLOAD=$(sh "$payloads/payload.sh" "$BUILD_NAME")
		if [ $? -gt 0 ]; then
			echo "problem with payload"
			exit 1
		fi
		if [ "$quiet" == "false" ]; then printf "Using payload %s\n" "$PAYLOAD"; fi
	elif [ "$payloads" = "none" ]; then
		local PAYLOAD=none
	fi

	if [ "$PAYLOAD" = "none" ]; then
		{
			echo "CONFIG_PAYLOAD_NONE=y"
			echo "# CONFIG_PAYLOAD_SEABIOS is not set"
			echo "# CONFIG_PAYLOAD_ELF is not set"
			echo "# CONFIG_PAYLOAD_BAYOU is not set"
			echo "# CONFIG_PAYLOAD_FILO is not set"
			echo "# CONFIG_PAYLOAD_GRUB2 is not set"
			echo "# CONFIG_PAYLOAD_OPENBIOS is not set"
			echo "# CONFIG_PAYLOAD_DEPTHCHARGE is not set"
			echo "# CONFIG_PAYLOAD_UBOOT is not set"
			echo "# CONFIG_PAYLOAD_TIANOCORE is not set"
		} >> "${config_file}"
	elif [ "$PAYLOAD" != "/dev/null" ]; then
		{
			echo "# CONFIG_PAYLOAD_NONE is not set"
			echo "# CONFIG_PAYLOAD_SEABIOS is not set"
			echo "CONFIG_PAYLOAD_ELF=y"
			echo "CONFIG_PAYLOAD_FILE=\"$PAYLOAD\""
		} >> "${config_file}"
	fi

	if [ "$quiet" == "false" ]; then echo "    $MAINBOARD ($customizing)"; fi
	echo "$configoptions" >> "${config_file}"

	 # shellcheck disable=SC2086
	$MAKE olddefconfig $silent "DOTCONFIG=${config_file}" "obj=${build_dir}" "objutil=$TARGET/sharedutils" &> "${build_dir}/config.log"
	if [ $? -eq 0 ]; then
		$MAKE savedefconfig $silent DEFCONFIG="${defconfig_file}" DOTCONFIG="${config_file}" obj="${build_dir}" objutil="$TARGET/sharedutils" &> "${build_dir}/config.log"
		return $?
	else
		return 1
	fi
}

function create_buildenv
{
	local BUILD_NAME=$1
	local build_dir=$2
	local config_file=$3

	if [ -z "$config_file" ]; then
		create_config "$BUILD_NAME" "$build_dir"
	else
		local new_config_file="${build_dir}/config.build"
		cp "$config_file" "$new_config_file"
		update_config "$BUILD_NAME" "$build_dir" "$new_config_file"
	fi
	ret=$?

	# Allow simple "make" in the target directory
	local MAKEFILE=$TARGET/${BUILD_NAME}/Makefile
	echo "# autogenerated" > $MAKEFILE
	echo "TOP=$ROOT" >> $MAKEFILE
	echo "BUILD=$TARGET" >> $MAKEFILE
	echo "OBJ=\$(BUILD)/${MAINBOARD}" >> $MAKEFILE
	echo "OBJUTIL=\$(BUILD)/sharedutils" >> $MAKEFILE
	echo "all:" >> $MAKEFILE
	echo "	@cp -a config.h config.h.bak" >> $MAKEFILE
	echo "	@cd \$(TOP); \$(MAKE) oldconfig DOTCONFIG=\$(OBJ)/config.build objutil=\$(OBJUTIL) obj=\$(OBJ)" >> $MAKEFILE
	echo "	@tail -n+6 config.h > config.new; tail -n+6 config.h.bak > config.old" >> $MAKEFILE
	echo "	@cmp -s config.new config.old && cp -a config.h.bak config.h || echo \"Config file changed\"" >> $MAKEFILE
	echo "	@rm config.h.bak config.new config.old" >> $MAKEFILE
	echo "	@cd \$(TOP); \$(MAKE) DOTCONFIG=\$(OBJ)/config.build objutil=\$(OBJUTIL) obj=\$(OBJ)" >> $MAKEFILE

	return $ret
}

function check_config
{
	local BUILD_DIR="$1"
	local TEST_TYPE="$2"
	local TEST_STRING="$3"

	local CONFIG_FILE="$BUILD_DIR/config.build"
	local CONFIG_LOG="$BUILD_DIR/config.log"

	if ! grep -q "$TEST_STRING" "$CONFIG_FILE"; then
		echo "config file: $CONFIG_FILE has incorrect $TEST_TYPE"
		echo "Error: Expected '$TEST_STRING' in config file." >> "$CONFIG_LOG"
		return 1
	fi

	return 0
}

function compile_target
{
	local BUILD_NAME=$1

	if [ "$quiet" == "false" ]; then printf "  Compiling $MAINBOARD image$cpuconfig...\n"; fi

	CURR=$( pwd )
	#stime=`perl -e 'print time();' 2>/dev/null || date +%s`
	eval $BUILDPREFIX $MAKE $silent DOTCONFIG=${build_dir}/config.build obj=${build_dir} objutil=$TARGET/sharedutils \
		&> ${build_dir}/make.log
	ret=$?
	cp .xcompile ${build_dir}/xcompile.build
	cd ${build_dir}

	etime=`perl -e 'print time();' 2>/dev/null || date +%s`
	duration=$(( $etime - $stime ))
	junit " <testcase classname='board${testclass/#/.}' name='$BUILD_NAME' time='$duration' >"

	if [ $ret -eq 0 ]; then
		junit "<system-out>"
		junitfile make.log
		junit "</system-out>"
		printf "ok\n" > compile.status
		printf "$BUILD_NAME built successfully. (took ${duration}s)\n"
	else
		ret=1
		junit "<failure type='BuildFailed'>"
		junitfile make.log
		junit "</failure>"
		printf "failed\n" > compile.status
		printf "$BUILD_NAME build FAILED after ${duration}s!\nLog excerpt:\n"
		tail -n $CONTEXT make.log 2> /dev/null || tail -$CONTEXT make.log
		failed=1
	fi
	cd $CURR
	if [ $clean_work = "true" ]; then
		rm -rf ${build_dir}
	fi
	return $ret
}

function build_config
{
	local MAINBOARD=$1
	local build_dir=$2
	local BUILD_NAME=$3
	local config_file=$4

	local board_srcdir=$(mainboard_directory "${MAINBOARD}")

	if [ "$(cat "${build_dir}/compile.status" 2>/dev/null)" = "ok" -a \
		"$buildall" = "false" ]; then
		echo "Skipping $BUILD_NAME; (already successful)"
		return
	fi

 	export HOSTCC='gcc'

	if [ "$chromeos" = true ] && [ "$(grep -c "^[[:space:]]*select[[:space:]]*MAINBOARD_HAS_CHROMEOS\>" "${ROOT}/src/mainboard/${board_srcdir}/Kconfig")" -eq 0 ]; then
		echo "${BUILD_NAME} doesn't support Chrome OS, skipping."
		return
	fi

	if [ -f "src/mainboard/${board_srcdir}/abuild.disabled" ]; then
		echo "${BUILD_NAME} disabled:"
		cat "src/mainboard/${board_srcdir}/abuild.disabled"
		return
	fi

	if [ "$quiet" == "false" ]; then echo "Building $BUILD_NAME"; fi
	mkdir -p "$TARGET/${BUILD_NAME}" "$TARGET/abuild"
	ABSPATH="$(cd "$TARGET/abuild"; pwd)"
	XMLFILE="$ABSPATH/${BUILD_NAME}.xml"
	rm -f "${XMLFILE}"

	stime=$(perl -e 'print time();' 2>/dev/null || date +%s)
	create_buildenv "$BUILD_NAME" "$build_dir" "$config_file"
	local BUILDENV_CREATED=$?

	check_config "$build_dir" "mainboard" "CONFIG_BOARD_${MAINBOARD}=y"
	local MAINBOARD_OK=$?

	check_config "$build_dir" "vendor" "CONFIG_VENDOR_$(mainboard_vendor "${MAINBOARD}")=y"
	local VENDOR_OK=$?

	if [ $BUILDENV_CREATED -ne 0 ] || [ $MAINBOARD_OK -ne 0 ] || [ $VENDOR_OK -ne 0 ]; then

		junit "<failure type='BuildFailed'>"
		junitfile "$build_dir/config.log"
		junit "</failure>"
		printf "failed\n" > compile.status
		printf "$BUILD_NAME build configuration FAILED!\nLog excerpt:\n"
		tail -n $CONTEXT "$build_dir/config.log" 2> /dev/null || tail -$CONTEXT "$build_dir/config.log"

		junit "</testcase>"
		return
	fi


	required_arches=`egrep "^CONFIG_ARCH_(BOOTBLOCK|R.MSTAGE|VERSTAGE)" $TARGET/${BUILD_NAME}/config.build | \
			sed "s,^CONFIG_ARCH_[^_]*_\([^=]*\)=.*$,\1," |sort -u |tr 'A-Z\n\r' 'a-z  '`
	missing_arches=`printf 'include .xcompile\nall: ; @echo $(foreach arch,'"$required_arches"',$(if $(filter $(arch),$(SUBARCH_SUPPORTED)),,$(arch)))' | make --no-print-directory -f -`
	if [ -n "$missing_arches" ]; then
		printf "skipping $BUILD_NAME because we're missing compilers for ($missing_arches)\n"
		return
	fi

	if [ $? -eq 0  -a  $configureonly -eq 0 ]; then
		BUILDPREFIX=
		if [ "$scanbuild" = "true" ]; then
			scanbuild_out=$TARGET/${BUILD_NAME}-scanbuild
			rm -rf ${scanbuild_out}
			BUILDPREFIX="scan-build -o ${scanbuild_out}tmp"
		fi
		compile_target ${BUILD_NAME}
		if [ "$scanbuild" = "true" ]; then
			mv ${scanbuild_out}tmp/* ${scanbuild_out}
			rmdir ${scanbuild_out}tmp
		fi
	fi

	junit "</testcase>"
}

# One target may build several configs
function build_target
{
	local MAINBOARD=$1
	local MAINBOARD_LC=$(echo "$MAINBOARD" | tr '[:upper:]' '[:lower:]')

	# look for config files in the config directory that match the boardname
	if [ -n "$( find "$configdir" -maxdepth 1 -name "config.${MAINBOARD_LC}*" -print -quit )" ]; then
		for config in "$configdir"/config."${MAINBOARD_LC}"*; do
			BUILD_NAME="${config##*/}"
			BUILD_NAME="${BUILD_NAME##config.}"
			BUILD_NAME=$(echo "${BUILD_NAME}" | tr '[:lower:]' '[:upper:]')
			echo "Building config $BUILD_NAME"
			build_dir=$TARGET/${BUILD_NAME}
			build_config "$MAINBOARD" "$build_dir" "$BUILD_NAME" "$config"
			remove_target "$BUILD_NAME"

		done
	else
		echo "Building board $MAINBOARD (using default config)"
		build_dir=$TARGET/${MAINBOARD}

		build_config "$MAINBOARD" "$build_dir" "$MAINBOARD"
		remove_target "$MAINBOARD"
	fi

}

function remove_target
{
	if [ "$remove" != "true" ]; then
		return
	fi

	local BUILD_NAME=$1

	# Save the generated coreboot.rom file of each board.
	if [ -r "$TARGET/${BUILD_NAME}/coreboot.rom" ]; then
		cp "$TARGET/${BUILD_NAME}/coreboot.rom" \
		   "${BUILD_NAME}_coreboot.rom"
	fi

	echo "Removing build dir for $BUILD_NAME..."
	rm -rf "$TARGET/${BUILD_NAME}"

	return
}

function myhelp
{
cat << __END_OF_HELP
Usage: $0 [-v] [-a] [-b] [-r] [-t <vendor/board>] [-p <dir>] [lbroot]
       $0 [-V|--version]
       $0 [-h|--help]

Options:\n"
    [-v|--verbose]		  print more messages
    [-q|--quiet]		  print fewer messages
    [-a|--all]			  build previously succeeded ports as well
    [-r|--remove]                 remove output dir after build
    [-d|--dir <dir>]              directory containing config files
    [-t|--target <vendor/board>]  attempt to build target vendor/board only
    [-p|--payloads <dir>]         use payloads in <dir> to build images
    [-V|--version]		  print version number and exit
    [-h|--help]			  print this help and exit
    [-J|--junit]		  write JUnit formatted xml log file
                                  (defaults to $XMLFILE)
    [-T|--test]			  submit image(s) to automated test system
    [-c|--cpus <numcpus>]         build on <numcpus> at the same time
    [-s|--silent]                 omit compiler calls in logs
    [-y|--ccache]                 use ccache
    [-C|--config]                 configure-only mode
    [-l|--loglevel <num>]         set loglevel
    [-u|--update]                 update existing image
    [-P|--prefix <name>]          file name prefix in CBFS
    [-B|--blobs]                  Allow using binary files
    [-z|--clean]                  Remove build results when finished
    [-o|--outdir <path>]          store build results in path
				  (defaults to $TARGET)
    [-L|--clang]                  Use clang
    [-K|--kconfig <name>]	  Prepend file to generated Kconfig
    [-x|--chromeos]               Build with CHROMEOS enabled
                                  Skip boards without Chrome OS support
    [-X|--xmlfile <name>]         set JUnit XML log file filename
    [--scan-build]                use clang's static analyzer
    [cbroot]			  absolute path to coreboot sources
				  (defaults to $ROOT)

__END_OF_HELP
}

function myversion
{
	cat << EOF

coreboot autobuild v$ABUILD_VERSION ($ABUILD_DATE)

Copyright (C) 2004 by Stefan Reinauer <stepan@openbios.org>
Copyright (C) 2006-2010 by coresystems GmbH <info@coresystems.de>

This program is free software; you may redistribute it under the terms
of the GNU General Public License. This program has absolutely no
warranty.

EOF
}

# default options
target=""
buildall=false
verbose=false

test -f util/sconfig/sconfig.l && ROOT=$( pwd )
test -f ../util/sconfig/sconfig.l && ROOT=$( cd ..; pwd )
test "$ROOT" = "" && ROOT=$( cd ../..; pwd )

# Look if we have getopt. If not, build it.
export PATH=$PATH:util/abuild
getopt - > /dev/null 2>/dev/null || gcc -o util/abuild/getopt util/abuild/getopt.c

# command line for xargs parallelization. Thus overwrite -c X
cmdline="$* -c 1"

# parse parameters.. try to find out whether we're running GNU getopt
getoptbrand="`getopt -V`"
if [ "${getoptbrand:0:6}" == "getopt" ]; then
	# Detected GNU getopt that supports long options.
	args=`getopt -l version,verbose,quiet,help,all,target:,payloads:,cpus:,silent,junit,config,loglevel:,remove,prefix:,update,scan-build,ccache,blobs,clang,clean,outdir:,chromeos,xmlfile:,kconfig:,dir: -o Vvqhat:p:c:sJCl:rP:uyBLzo:xX:K:d: -- "$@"` || exit 1
	eval set -- $args
else
	# Detected non-GNU getopt
	args=`getopt Vvqhat:p:c:sJCl:rP:uyBLzo:xX:K:d: $*`
	set -- $args
fi

if [ $? != 0 ]; then
	myhelp
	exit 1
fi

chromeos=false
clean_work=false
customizing=""
configoptions=""
# testclass needs to be undefined if not used for variable expansion to work
unset testclass
while true ; do
	case "$1" in
		-J|--junit)     shift; mode=junit; rm -f $XMLFILE ;;
		-t|--target)	shift; target="$1"; shift;;
		-a|--all)	shift; buildall=true;;
		-d|--dir)	shift; configdir="$1"; shift;;
		-r|--remove)	shift; remove=true;;
		-v|--verbose)	shift; verbose=true; silent='V=1';;
		-q|--quiet)	shift; quiet=true;;
		-V|--version)	shift; myversion; exit 0;;
		-h|--help)	shift; myversion; myhelp; exit 0;;
		-p|--payloads)  shift; payloads="$1"; shift;;
		-c|--cpus)	shift
			export MAKEFLAGS="-j $1"
			cpus=$1
			test "$MAKEFLAGS" == "-j max" && export MAKEFLAGS="-j" && cpuconfig=" in parallel"
			test "$1" == "1" && cpuconfig=" on 1 cpu"
			expr "$1" : '-\?[0-9]\+$' > /dev/null && test 0$1 -gt 1 && cpuconfig=" on $1 cpus in parallel"
			shift;;
		-s|--silent)    shift; silent="-s";;
		--scan-build)   shift
			scanbuild=true
			customizing="${customizing}, scan-build"
			;;
		-y|--ccache)    shift
			customizing="${customizing}, ccache"
			configoptions="${configoptions}CONFIG_CCACHE=y\n"
			;;
		-C|--config)    shift; configureonly=1;;
		-l|--loglevel)  shift
			customizing="${customizing}, loglevel $1"
			configoptions="${configoptions}CONFIG_DEFAULT_CONSOLE_LOGLEVEL_$1=y\n"
			configoptions="${configoptions}CONFIG_DEFAULT_CONSOLE_LOGLEVEL=$1\n"
			shift;;
		-u|--update)    shift
			customizing="${customizing}, update"
			configoptions="${configoptions}CONFIG_UPDATE_IMAGE=y\n"
			;;
		-P|--prefix)    shift
			customizing="${customizing}, cbfs prefix $1"
			configoptions="${configoptions}CONFIG_CBFS_PREFIX=\"$1\""
			shift;;
		-B|--blobs)	shift
			customizing="${customizing}, blobs"
			configoptions="${configoptions}CONFIG_USE_BLOBS=y\n"
			;;
		-L|--clang)	shift
			customizing="${customizing}, clang"
			configoptions="${configoptions}CONFIG_COMPILER_LLVM_CLANG=y\n# CONFIG_COMPILER_GCC is not set\n"
			;;
		-z|--clean)	shift
			customizing="${customizing}, clean"
			clean_work=true
			;;
		-o|--outdir)	shift
			TARGET=$1; shift
			;;
		-x|--chromeos)	shift
			chromeos=true
			testclass=chromeos
			customizing="${customizing}, chrome os"
			configoptions="${configoptions}CONFIG_CHROMEOS=y\n"
			;;
		-X|--xmlfile)	shift; XMLFILE=$1; REAL_XMLFILE=$1; shift;;
		-K|--kconfig)	shift
			testclass=="$(basename $1 | tr '.' '_' )"
			customizing="${customizing}, $1 config"
			configoptions="$(cat "$1")${configoptions}\n"
			shift;;
		--)		shift; break;;
		-*)		printf "Invalid option\n\n"; myhelp; exit 1;;
		*)		break;;
	esac
done

if [ -z "$TARGET" -o "$TARGET" = "/" ]; then
	echo "Please specify a valid, non-root build directory."
	exit 1
fi

customizing=`echo $customizing |cut -c3-`
if [ "$customizing" = "" ]; then
	customizing="default configuration"
fi

USE_XARGS=0
if [ "$cpus" != "1" ]; then
	# Limit to 32 parallel builds for now.
	# Thrashing all caches because we run
	# 160 abuilds in parallel is no fun.
	if [ "$cpus" = "max" ]; then
		cpus=32
	fi
	# Test if xargs supports the non-standard -P flag
	# FIXME: disabled until we managed to eliminate all the make(1) quirks
	echo | xargs -P ${cpus:-0} -n 1 echo 2>/dev/null >/dev/null && USE_XARGS=1
fi

if [ "$USE_XARGS" = "0" ]; then
test "$MAKEFLAGS" == "" && test "$cpus" != "" && export MAKEFLAGS="-j $cpus"
build_targets()
{
	local targets=${*-$(get_mainboards)}
	for MAINBOARD in $targets; do
		build_target ${MAINBOARD}
	done
}
else
build_targets()
{
	local targets=${*-$(get_mainboards)}
	# seed shared utils
	TMPCFG=`mktemp`
	printf "$configoptions" > $TMPCFG
	$MAKE -j $cpus DOTCONFIG=$TMPCFG obj=$TARGET/temp objutil=$TARGET/sharedutils allnoconfig
	printf "$configoptions" >> $TMPCFG
	yes "" 2>/dev/null | $MAKE -j $cpus DOTCONFIG=$TMPCFG obj=$TARGET/temp objutil=$TARGET/sharedutils oldconfig 2>/dev/null |head > /dev/null
	BUILDPREFIX=
	if [ "$scanbuild" = "true" ]; then
		scanbuild_out=$TARGET/sharedutils-scanbuild
		rm -rf ${scanbuild_out}
		BUILDPREFIX="scan-build -o ${scanbuild_out}tmp"
	fi
	mkdir -p $TARGET/abuild
	local ABSPATH=`cd $TARGET/abuild; pwd`
	local XMLFILE=$ABSPATH/__util.xml
	rm -f ${XMLFILE}
	local stime=`perl -e 'print time();' 2>/dev/null || date +%s`
	$BUILDPREFIX $MAKE -j $cpus DOTCONFIG=$TMPCFG obj=$TARGET/temp objutil=$TARGET/sharedutils tools > $TARGET/sharedutils/make.log 2>&1
	local ret=$?
	local etime=`perl -e 'print time();' 2>/dev/null || date +%s`
	local duration=$(( $etime - $stime ))

	junit " <testcase classname='util' name='all' time='$duration' >"
	if [ $ret -eq 0 ]; then
		junit "<system-out>"
		junitfile $TARGET/sharedutils/make.log
		junit "</system-out>"
		junit "</testcase>"
	else
		junit "<failure type='BuildFailed'>"
		junitfile $TARGET/sharedutils/make.log
		junit "</failure>"
		junit "</testcase>"
		return
	fi
	if [ $ret -eq 1 ]; then
		return
	fi

	if [ "$scanbuild" = "true" ]; then
		mv ${scanbuild_out}tmp/* ${scanbuild_out}
		rmdir ${scanbuild_out}tmp
	fi
	rm -rf $TARGET/temp $TMPCFG
	echo $targets | xargs -P ${cpus:-0} -n 1 $0 $cmdline -t
}
fi

test -z "$1" || ROOT=$1

debug "ROOT=$ROOT"

junit '<?xml version="1.0" encoding="utf-8"?>'
junit '<testsuite>'

if [ "$target" != "" ]; then
	# build a single board
	MAINBOARD=$(normalize_target ${target})
	if [ -z "${MAINBOARD}" ]; then
		printf "No such target: $target\n"
		exit 1
	fi
	build_srcdir=$(mainboard_directory ${MAINBOARD})
	if [ "$(echo ${MAINBOARD} | wc -w)" -gt 1 ]; then
		build_targets ${MAINBOARD}
	elif [ ! -r $ROOT/src/mainboard/${build_srcdir} ]; then
		printf "No such target: ${MAINBOARD}\n"
		exit 1
	else
		build_target ${MAINBOARD}
		test "$mode" != "text" && \
		test -f $TARGET/abuild/${MAINBOARD}.xml && \
		cat $TARGET/abuild/${MAINBOARD}.xml >> $REAL_XMLFILE
		XMLFILE=$REAL_XMLFILE
	fi
else
	build_targets
	rm -f $REAL_XMLFILE
	XMLFILE=$REAL_XMLFILE
	junit '<?xml version="1.0" encoding="utf-8"?>'
	junit '<testsuite>'
	if [ "$mode" != "text" ]; then
		for xmlfile in $TARGET/abuild/*_*.xml; do
			cat $xmlfile >> $REAL_XMLFILE
		done
	fi
	XMLFILE=$REAL_XMLFILE
fi
junit '</testsuite>'

exit $failed