# Kernel config based on: arch/arm/configs/zc500tg_defconfig

pkgname="linux-asus-z00vd"
pkgver=3.18.41
pkgrel=2
pkgdesc="ASUS Zenfone Go kernel fork"
arch="armv7"
_carch="arm"
_flavor="asus-z00vd"
url="https://kernel.org"
license="GPL2"
options="!strip !check !tracedeps"
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev devicepkg-dev python3"

# Compiler: latest GCC from Alpine
HOSTCC="${CC:-gcc}"
HOSTCC="${HOSTCC#${CROSS_COMPILE}}"

# Source
_repository="ZC500TG"
_commit="7957ae0b17bb46d56a5cddd1d313aec76296aee8"
_config="config-${_flavor}.${arch}"
source="
	$pkgname-$_commit.tar.gz::https://github.com/Danct12/${_repository}/archive/${_commit}.tar.gz
	$_config
	01_fix_warnings.patch
	02_gcc8_error.patch
	03_perf_python3.patch
	04_dct_python3.patch
"
builddir="$srcdir/${_repository}-${_commit}"

prepare() {
	default_prepare

	# Remove -Werror from all makefiles
	local i
	local makefiles="$(find . -type f -name Makefile)
		$(find . -type f -name Kbuild)"
	for i in $makefiles; do
		sed -i 's/-Werror-/-W/g' "$i"
		sed -i 's/-Werror//g' "$i"
	done

	# Requires a out folder for some reason
	mkdir "$builddir/out"

	# Clean up kernel source
	make -C "$builddir" O="$builddir/out" ARCH="$_carch" ARCH_MTK_PLATFORM="mt6580" HOSTCC="$HOSTCC" clean
	make -C "$builddir" O="$builddir/out" ARCH="$_carch" ARCH_MTK_PLATFORM="mt6580" HOSTCC="$HOSTCC" mrproper

	# Prepare kernel config ('yes ""' for kernels lacking olddefconfig)
	cp "$srcdir"/$_config "$builddir"/out/.config
	yes "" | make O="$builddir/out" ARCH="$_carch" ARCH_MTK_PLATFORM="mt6580" HOSTCC="$HOSTCC" oldconfig
}

build() {
	unset LDFLAGS
	make O="$builddir/out" ARCH="$_carch" CC="${CC:-gcc}" ARCH_MTK_PLATFORM="mt6580" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS"
}

package() {
	# kernel.release
	install -D "$builddir/out/include/config/kernel.release" \
		"$pkgdir/usr/share/kernel/$_flavor/kernel.release"

	# zImage (find the right one)
	cd "$builddir/out/arch/$_carch/boot"
	_target="$pkgdir/boot/vmlinuz-$_flavor"
	for _zimg in zImage-dtb Image.gz-dtb *zImage Image; do
		[ -e "$_zimg" ] || continue
		msg "zImage found: $_zimg"
		install -Dm644 "$_zimg" "$_target"
		break
	done
	if ! [ -e "$_target" ]; then
		error "Could not find zImage in $PWD!"
		return 1
	fi
}

sha512sums="eb4575d8d3603097141991bc207a51f3ed9281d6e1432570666aeeb3299c86574e80724e27721e2f64844fe9efdfd99df898138e1d2053f143132d1b0e89414b  linux-asus-z00vd-7957ae0b17bb46d56a5cddd1d313aec76296aee8.tar.gz
c0bbe3df4f9f1cbd89a3817377ab1ecc45b679c852d0376f4c3bff74cee8fe1c84e90acfb56db560664e752927989c91bf8562de24a73ae3b06fde032524a86c  config-asus-z00vd.armv7
1db0eb57279ab2b0ad70e0f93dfe6faa0d807cf24832c2e55b2c726b43cdece84edfc614e6455cddddbce890de1df80e37fd1805b9fd6ccc259047c5ef7a6ba6  01_fix_warnings.patch
f60b91c7cffd1704e6ac51d1c352b87f74432fc645deff2ff4feeeffff3c441af425191254f871a999555b3abcd1d199eeba0c12dbef4d9364f4d70df4484976  02_gcc8_error.patch
c64bbad5e6f33e086d35e8f4e08ffc840b3bfb09fba49f635dd2eb671301cb8e5fd2915b3406a8bb7fce2de6638ce0337adcd14182316b7a5941ff84352744de  03_perf_python3.patch
b1aef615711138992101466b7fea4762698ba87620a55f748bd66f20a2114122678e85c3bb85ef0ae0d394552d2f4577535086a5d80a878459aadc9a9fb42ce0  04_dct_python3.patch"