realv210的编译脚本注释

#!/bin/bashCPU_JOB_NUM&＃61;$(grep processor /proc/cpuinfo | awk &＃39;{field&＃61;$NF};END{print field&＃43;1}&＃39;) #处理起数量
CLIENT&＃61;$(whoami) #当前的用户ROOT_DIR&＃61;$(pwd) #当前路径
KERNEL_DIR&＃61;./kernel#SEC_PRODUCT&＃61;&＃39;generic&＃39; #Enable for generic build
SEC_PRODUCT&＃61;&＃39;smdkv210&＃39; #Enable for smdk build#Modify the below path suitably as per your requirementsOUT_DIR&＃61;"$ROOT_DIR/out/target/product/$SEC_PRODUCT" #输出目录
OUT_HOSTBIN_DIR&＃61;"$ROOT_DIR/out/host/linux-x86/bin" #用到的命令目录function check_exit()
{if [ $? !&＃61; 0 ]thenexit $?fi
}function build_android()
{echoecho &＃39;[[[[[[[ Build android platform ]]]]]]]&＃39;echoSTART_TIME&＃61;&＃96;date &＃43;%s&＃96; #获取系统时间if [ $SEC_PRODUCT &＃61; "generic" ] #判断输出的目录&＃xff0c;如果是默认的目录thenecho make -j$CPU_JOB_NUM #输出提示echomake -j$CPU_JOB_NUM #开始编译elseecho make -j$CPU_JOB_NUM PRODUCT-full_$SEC_PRODUCT-eng #输出提示echomake -j$CPU_JOB_NUM PRODUCT-full_$SEC_PRODUCT-eng #开始编译ficheck_exitEND_TIME&＃61;&＃96;date &＃43;%s&＃96; #结束时间 let "ELAPSED_TIME&＃61;$END_TIME-$START_TIME" #计算消耗时间echo "Total compile time is $ELAPSED_TIME seconds"
}function make_uboot_img() #编译u-boot文件
{cd $OUT_DIR #进入输出的文件目录echoecho &＃39;[[[[[[[ Make ramdisk image for u-boot ]]]]]]]&＃39;echo$OUT_HOSTBIN_DIR/mkyaffs2image root ramdisk-yaffs.img check_exitechocd ../../../..
}function make_fastboot_img()
{echoecho &＃39;[[[[[[[ Make additional images for fastboot ]]]]]]]&＃39;echoif [ ! -f $KERNEL_DIR/arch/arm/boot/zImage ]thenecho "No zImage is found at $KERNEL_DIR/arch/arm/boot"echo &＃39; Please set KERNEL_DIR if you want to make additional images&＃39;echo " Ex.) export KERNEL_DIR&＃61;~ID/android_kernel_$SEC_PRODUCT"echoreturnfiecho &＃39;boot.img ->&＃39; $OUT_DIRcp $KERNEL_DIR/arch/arm/boot/zImage $OUT_DIR/zImage$OUT_HOSTBIN_DIR/mkbootimg --kernel $OUT_DIR/zImage --ramdisk $OUT_DIR/ramdisk-uboot.img -o $OUT_DIR/boot.imgcheck_exitecho &＃39;update.zip ->&＃39; $OUT_DIRzip -j $OUT_DIR/update.zip $OUT_DIR/android-info.txt $OUT_DIR/boot.img $OUT_DIR/system.imgcheck_exitecho
}echo
echo &＃39; Build android for &＃39;$SEC_PRODUCT&＃39;&＃39;
echocase "$SEC_PRODUCT" in #根据目录的不同&＃xff0c;选择不同的编译过程smdkc110)build_androidmake_uboot_imgmake_fastboot_img;;smdkv210)build_androidmake_uboot_img#make_fastboot_img;;generic)build_androidmake_uboot_img;;*)echo "Please, set SEC_PRODUCT"echo " export SEC_PRODUCT&＃61;smdkc100 or SEC_PRODUCT&＃61;smdkc110 or SEC_PRODUCT&＃61;smdkv210 or SEC_PRODUCT&＃61;smdk6440"echo " or "echo " export SEC_PRODUCT&＃61;generic"exit 1;;
esacecho ok success !!!exit 0