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  1. Android build

  • Download original android source code (android-7.0.0_r7) from http://source.android.com

    (

    $repo init -u git://10.168.177.185/platform/manifest.git -b android-7.0.0_r7

    $repo sync -cdq -j12 --no-tags

    $repo start android-7.0.0_r7 --all

    )

  • Untar opensource packages of RS988_Nougat_Android.tar.gz into downloaded android source directory

    a) tar -xvzf RS988_Nougat_Android.tar.gz

  • And, merge the source into the android source code

  • Run following scripts to build android

    a) source build/envsetup.sh

    b) lunch 1

    c) make -j4

  • When you compile the android source code, you have to add google original prebuilt source(toolchain) into the android directory.

  • After build, you can find output at out/target/product/generic

  1. Kernel Build

  • Uncompress using following command at the android directory

    a) tar -xvzf RS988_Nougat_Kernel.tar.gz

  • When you compile the kernel source code, you have to add google original prebuilt source(toolchain) into the android directory.

  • Run following scripts to build kernel

  • cd android/kernel/msm-3.18

  • make ARCH=arm64 h1_lra_us-perf_defconfig

  • make ARCH=arm64 KERNEL_COMPRESSION_SUFFIX=gz CROSS_COMPILE=../../prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/bin/aarch64-linux-android-

  • After build, you can find the build image(Image.gz) at arch/arm64/boot