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#!/bin/sh

# Defining Vars
# WARNING
# Clang must be below version 14
COMPILERS_DIR=$(pwd)/toolchains
COMPILER="https://github.com/LineageOS/android_prebuilts_gcc_linux-x86_aarch64_aarch64-linux-android-4.9"
COMPILER32="https://github.com/LineageOS/android_prebuilts_gcc_linux-x86_arm_arm-linux-androideabi-4.9"
DEFCONFIG="lavender_defconfig"
KERNEL_DIR=$(pwd)
PATH="${COMPILERS_DIR}/gcc/bin:${COMPILERS_DIR}/gcc32/bin:${PATH}"

# Grabbing Compilers
mkdir -p "$COMPILERS_DIR"
cd "$COMPILERS_DIR"
git clone "$COMPILER" gcc
git clone "$COMPILER32" gcc32
cd "$KERNEL_DIR"

# Compiling Kernel
mkdir -p build/modout
make O=build ARCH=arm64 CC=clang CLANG_TRIPLE=aarch64-linux-gnu- CROSS_COMPILE=aarch64-linux-android- CROSS_COMPILE_ARM32=arm-linux-androideabi- "$DEFCONFIG"
make O=build ARCH=arm64 CC=clang CLANG_TRIPLE=aarch64-linux-gnu- CROSS_COMPILE=aarch64-linux-android- CROSS_COMPILE_ARM32=arm-linux-androideabi- menuconfig
make -j10 O=build ARCH=arm64 CC=clang CLANG_TRIPLE=aarch64-linux-gnu- CROSS_COMPILE=aarch64-linux-android- CROSS_COMPILE_ARM32=arm-linux-androideabi-
make O=build ARCH=arm64 CC=clang CLANG_TRIPLE=aarch64-linux-gnu- CROSS_COMPILE=aarch64-linux-android- CROSS_COMPILE_ARM32=arm-linux-androideabi- INSTALL_MOD_PATH="modout" INSTALL_MOD_STRIP=1 modules_install