前言

在Android源代码编译过程中经常要source，lunch等一系列命令，这个脚本实现了默认保存编译log，无参可编译，可根据需求使用参数，可以单编，清编 update-api等
脚本代码

#!/bin/bash##creat by Deep Lee for android build# set -o errexitusage() {    cat <<USAGEUsage:    bash $0  [OPTIONS]Description:    Builds Android tree for given TARGET_PRODUCTOPTIONS:    -c, --clean_build        Clean build - build from scratch by removing entire out dir    -h, --help        Display this help message    -i, --image        Specify image to be build/re-build (bootimg/sysimg/usrimg/all Default: all)    -j, --jobs        Specifies the number of jobs to run simultaneously (Default: CPU core Number)    -k, --kernel_defconf        Specify defconf file to be used for compiling Kernel    -l, --log_file        Log file to store build logs (Default: build.log)    -m, --module        Module to be build    -p, --project        Project to be build    -u, --update-api        Update APIs    -v, --build_variant        Build variant (Default: userdebug)USAGE}clean_build() {    echo -e "\nINFO: Removing entire out dir. . .\n"    make clobber}set_jack_vm_arg() {    if [ $MEMGB -gt 12 ];then        echo -e "\nINFO: Build MEMGB $MEMGB for $TARGET And Use Default\n\n"    elif [ $MEMGB -gt  8 ];then        echo -e "\nINFO: Build MEMGB $MEMGB for $TARGET And Set Xmx to 8g\n\n"        export JACK_SERVER_VM_ARGUMENTS="-Dfile.encoding=UTF-8 -XX:+TieredCompilation -Xmx8g"    elif [ $MEMGB -gt  6 ];then        echo -e "\nINFO: Build MEMGB $MEMGB for $TARGET And Set Xmx to 4g\n\n"        export JACK_SERVER_VM_ARGUMENTS="-Dfile.encoding=UTF-8 -XX:+TieredCompilation -Xmx4g"    fi    prebuilts/sdk/tools/jack-admin kill-server    prebuilts/sdk/tools/jack-admin start-server}build_android() {    echo -e "\nINFO: Build Android tree for $TARGET\n"    make $@ | tee $LOG_FILE}build_bootimg() {    echo -e "\nINFO: Build bootimage for $TARGET\n"    make bootimage $@ | tee $LOG_FILE}build_sysimg() {    echo -e "\nINFO: Build systemimage for $TARGET\n"    make systemimage $@ | tee $LOG_FILE}build_usrimg() {    echo -e "\nINFO: Build userdataimage for $TARGET\n"    make userdataimage $@ | tee $LOG_FILE}build_module() {    echo -e "\nINFO: Build $MODULE for $TARGET\n"    make $MODULE $@ | tee $LOG_FILE}build_project() {    echo -e "\nINFO: Build $PROJECT for $TARGET\n"    mmm $PROJECT | tee $LOG_FILE}update_api() {    echo -e "\nINFO: Updating APIs\n"    make update-api | tee $LOG_FILE}# Set defaults#need modify here for your target boardTARGET="aosp_arm64"VARIANT="userdebug"#default make jobs is same as cpu core processor numberJOBS=$(cat /proc/cpuinfo | grep processor | wc -l)#can modify here if need store more or less log fileLOG_MAX=5LOG_DIR="Log"LOG_FILE="${LOG_DIR}/$(date +"%Y%m%d_%H%M%S").log"MEMTOTAL=$(cat /proc/meminfo |grep MemTotal | awk '{print $2;}')MEMGB=$(( $MEMTOTAL/1024/1024 ))IMAGE="all"BUILDIMG="true";# Setup getopt.long_opts="clean_build,help,image:,jobs:,kernel_defconf:,log_file:,module:,build_variant:"long_opts+="project:,update-api"getopt_cmd=$(getopt -o chi:j:k:l:m:p:uv: --long "$long_opts" \    -n $(basename $0) -- "$@") || \    { echo -e "\nERROR: Getopt failed. Extra args\n"; usage; exit 1;}eval set -- "$getopt_cmd"while true; do    case "$1" in        -c|--clean_build) CLEAN_BUILD="true";;        -h|--help) usage; exit 0;;        -i|--image) IMAGE="$2"; shift;;        -j|--jobs) JOBS="$2"; shift;;        -k|--kernel_defconf) DEFCONFIG="$2"; shift;;        -l|--log_file) LOG_FILE="$2"; shift;;        -m|--module) MODULE="$2"; shift;;        -p|--project) PROJECT="$2"; shift;;        -u|--update-api) UPDATE_API="true";;        -v|--build_variant) VARIANT="$2";shift;;        --) shift; break;;    esac    shiftdoneif [[ "${VARIANT}" != "user" ]] && [[ "${VARIANT}" != "userdebug" ]] && [[ "${VARIANT}" != "eng" ]]then    echo -e "ERROR: VARIANT=${VARIANT}"    usage    exit 1;fiCMD="-j $JOBS"if [ "$DEBUG" = "true" ]; then    CMD+=" showcommands"fiif [ -n "$DEFCONFIG" ]; then    CMD+=" KERNEL_DEFCONFIG=$DEFCONFIG"fiexport LC_ALL=Cexport AUTO_TREE_ID=msmnile_gvmqsource build/envsetup.sh nplunch msmnile_gvmq-${VARIANT}set_jack_vm_argif [[ ! -d ${LOG_DIR} ]]then    mkdir ${LOG_DIR}else    log_num=$(ls ${LOG_DIR} | wc -l)    echo "log number $log_num"    while [[ ${log_num} -ge ${LOG_MAX} ]]    do        old_log=$(ls ${LOG_DIR} | head -1)        echo $old_log        rm -f  ${LOG_DIR}/${old_log}        log_num=$(ls ${LOG_DIR} | wc -l)    donefiif [ "$CLEAN_BUILD" = "true" ]; then    clean_buildfiif [ "$UPDATE_API" = "true" ]; then    update_apifiif [ -n "$MODULE" ]; then    BUILDIMG="false"    build_module "$CMD"fiif [ -n "$PROJECT" ]; then    BUILDIMG="false"    build_projectfiif [ "$BUILDIMG" == "true" ]; then    if [ "$IMAGE" == "all" ]; then        build_android "$CMD"    else        build_$IMAGE "$CMD"    fifiret=$(tail -n 2 ${LOG_FILE})if [[ "${ret}" == *"failed"* ]]; then    exit 8else    exit 0fi
Android源代码编译脚本

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