build_clang.sh

#!/bin/bash
rm .version
# Bash Color
green='\033[01;32m'
red='\033[01;31m'
blink_red='\033[05;31m'
restore='\033[0m'

clear

# Resources
THREAD="-j$(grep -c ^processor /proc/cpuinfo)"
KERNEL="Image"
DTBIMAGE="dtb"

export ARCH=arm64
export SUBARCH=arm64
export CLANG_PATH=/media/${USER}/ExtremeExt4/Toolchains/clang/ProtonClang/bin
export PATH=${CLANG_PATH}:${PATH}
export DTC_EXT=dtc
export CLANG_TRIPLE=aarch64-linux-gnu-
export LD_LIBRARY_PATH=/media/${USER}/ExtremeExt4/Toolchains/clang/ProtonClang/lib:$LD_LIBRARY_PATH
export SPL="2020-05"

#export KBUILD_COMPILER_STRING=$(~/android/Toolchains/clang/clang-r328903/bin/clang --version | head -n 1 | perl -pe 's/\(http.*?\)//gs' | sed -e 's/  */ /g' -e 's/[[:space:]]*$//')
DEFCONFIG="exynos9830-c2sxxx_defconfig"

# Kernel Details
VER=".1.0.0"

# Paths
KERNEL_DIR=`pwd`
REPACK_DIR="../AnyKernel2"
PATCH_DIR="../AnyKernel2/patch"
MODULES_DIR="../AnyKernel2/modules"
ZIP_MOVE="../AK-releases"
ZIMAGE_DIR="../SmurfKernel_Note20Ultra/arch/arm64/boot/"

# Functions
function clean_all {
		#ccache -C
		cd $KERNEL_DIR
		echo
		make ARCH=arm64 SUBARCH=arm64 mrproper
		rm -rf $MODULES_DIR/*
		rm -rf ../SmurfKernel_Note20Ultra/out/*
		#git reset --hard > /dev/null 2>&1
		#git clean -f -d > /dev/null 2>&1	
}

function make_kernel {
	      cp ../SmurfKernel_Note20Ultra/Makefile.clang ../SmurfKernel_Note20Ultra/Makefile
	      echo
              make ARCH=arm64 O=out $DEFCONFIG
              make ARCH=arm64 O=out CC="ccache clang" CROSS_COMPILE=aarch64-linux-gnu- CROSS_COMPILE_ARM32=arm-linux-gnueabi- $THREAD CROSS_COMPILE_COMPAT=$BUILD_CROSS_COMPILE_COMPAT LLVM=1 LLVM_IAS=1 
}

function make_modules {
		find $KERNEL_DIR -name '*.ko' -exec cp -v {} $MODULES_DIR \;
}

function make_dtb {
		$REPACK_DIR/tools/dtbToolCM -2 -o $REPACK_DIR/$DTBIMAGE -s 2048 -p scripts/dtc/ arch/arm64/boot/
}

function make_boot {
		cp -vr ../SmurfKernel_Note20Ultra/out/arch/arm64/boot/Image-dtb ../AnyKernel2/Image-dtb
}

function move_boot {
		mv ../AnyKernel2/Image-dtb ../AnyKernel2/oos/
}

function make_zip {
		cd ../AnyKernel2
		zip -r9 `echo $AK_VER`.zip *
		mv  `echo $AK_VER`.zip $ZIP_MOVE
		cd $KERNEL_DIR
}

function make_sep_dtb {
	find ../SmurfKernel_Note20Ultra/out/arch/arm64/boot/dts/vendor/qcom -name '*.dtb' -exec cat {} + > ../SmurfKernel_Note20Ultra/out/arch/arm64/boot/dtb
}
DATE_START=$(date +"%s")


echo -e "${green}"
echo "-----------------"
echo "Making Kernel:"
echo "-----------------"
echo -e "${restore}"


# Vars
BASE_AK_VER="SmurfKernelNote20Ultra"
AK_VER="$BASE_AK_VER$VER"
export LOCALVERSION=~`echo $AK_VER`
export LOCALVERSION=~`echo $AK_VER`
export ARCH=arm64
export SUBARCH=arm64
export KBUILD_BUILD_USER=pappschlumpf
export KBUILD_BUILD_HOST=Gargamel

echo

while read -p "Do you want to clean stuffs (y/n)? " cchoice
do
case "$cchoice" in
	y|Y )
		clean_all
		echo
		echo "All Cleaned now."
		break
		;;
	n|N )
		break
		;;
	* )
		echo
		echo "Invalid try again!"
		echo
		;;
esac
done

echo

while read -p "Do you want to build?" dchoice
do
case "$dchoice" in
	y|Y )
		make_kernel
		make_modules
		make_boot
		#move_boot
		make_sep_dtb
		#make_zip
		break
		;;
	n|N )
		break
		;;
	* )
		echo
		echo "Invalid try again!"
		echo
		;;
esac
done


echo -e "${green}"
echo "-------------------"
echo "Build Completed in:"
echo "-------------------"
echo -e "${restore}"

DATE_END=$(date +"%s")
DIFF=$(($DATE_END - $DATE_START))
echo "Time: $(($DIFF / 60)) minute(s) and $(($DIFF % 60)) seconds."
echo