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How to Build - get Toolchain From android git serveru, codesourcery and etc .. - gcc-cfp/gcc-cfp-single/aarch64-linux-android-4.9/bin/aarch64-linux-android- From Qualcomm developer network (https://developer.qualcomm.com/software/snapdragon-llvm-compiler-android/tools) - llvm-arm-toolchain-ship/10.0/
- make output folder EX) OUTPUT_DIR=out $ mkdir out - edit Makefile edit "CROSS_COMPILE" to right toolchain path(You downloaded). EX) CROSS_COMPILE=<android platform directory you download>/android/prebuilts/gcc-cfp/gcc-cfp-single/aarch64-linux-android-4.9/bin/aarch64-linux-android- Ex) CROSS_COMPILE=/usr/local/toolchain/gcc-cfp/gcc-cfp-single/aarch64-linux-android-4.9/bin/aarch64-linux-android- // check the location of toolchain edit "REAL_CC" to right toolchain path(You downloaded). EX) CC=<android platform directory you download>/android/vendor/qcom/proprietary/llvm-arm-toolchain-ship/10.0/bin/clang edit "CLANG_TRIPLE" to right path(You downloaded). - to Build $ export ARCH=arm64 $ make -C $(pwd) O=$(pwd)/out DTC_EXT=$(pwd)/tools/dtc CONFIG_BUILD_ARM64_DT_OVERLAY=y CLANG_TRIPLE=aarch64-linux-gnu- d2xq_chn_open_defconfig $ make -C $(pwd) O=$(pwd)/out DTC_EXT=$(pwd)/tools/dtc CONFIG_BUILD_ARM64_DT_OVERLAY=y CLANG_TRIPLE=aarch64-linux-gnu- -
Output files - Kernel : arch/arm64/boot/Image - module : drivers//.ko
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How to Clean Change to OUTPUT_DIR folder EX) /home/dpi/qb5_8814/workspace/P4_1716/android/out/target/product/d2xq/out $ make clean ################################################################################