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

pkgname="linux-xiaomi-cancro"
pkgver=3.4.0
pkgrel=2
pkgdesc="Mi 3 kernel fork"
arch="armhf"
_carch="arm"
_flavor="xiaomi-cancro"
url="https://kernel.org"
license="GPL2"
options="!strip !check !tracedeps"
makedepends="xz perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev dtbtool gcc6"

# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
# request if you find out that it is booting working with newer GCCs as
# well. See <https://postmarketos.org/vendorkernel> for instructions.
if [ "${CC:0:5}" != "gcc6-" ]; then
	CC="gcc6-$CC"
	HOSTCC="gcc6-gcc"
	CROSS_COMPILE="gcc6-$CROSS_COMPILE"
fi

# Source
_repository="android_kernel_xiaomi_cancro"
_commit="b263a8914dcb8f9609be55070c3e40c85020188d"
_config="config-${_flavor}.${arch}"
source="
	$pkgname-$_commit.tar.gz::https://github.com/LineageOS/${_repository}/archive/${_commit}.tar.gz
	$_config
	compiler-gcc6.h
	01_smd_private.patch
	02_gpu-msm-fix-gcc5-compile.patch
	03t_spdrv.patch
	tspdrv_2.patch
	tspdrv_3.patch
	tspdrv_4.patch
	tspdrv_5.patch
	05_q6voice.patch
"
builddir="$srcdir/${_repository}-${_commit}"

prepare() {
	default_prepare

	# gcc6 support
	cp -v "$srcdir/compiler-gcc6.h" "$builddir/include/linux/"

	# 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

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

build() {
	unset LDFLAGS
	make ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS"

	# Generate master DTB (deviceinfo_bootimg_qcdt)
	dtbTool -s 2048 -p "scripts/dtc/" -o "arch/arm/boot/dt.img" "arch/arm/boot/"
}

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

	# zImage (find the right one)
	cd "$builddir/arch/$_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

	# Master DTB (deviceinfo_bootimg_qcdt)
	install -Dm644 "$builddir/arch/arm/boot/dt.img" \
		"$pkgdir/boot/dt.img"
}

sha512sums="f24bf599d5a4de3729ceea6a558013a71b550ae772968928cc0825115665a267f65cb16c3b69ed3223e069886c7a1ca16bd0a754cc081accda2ce34fec3b1b58  linux-xiaomi-cancro-b263a8914dcb8f9609be55070c3e40c85020188d.tar.gz
3a87850b94ffc1cf66e974519267d4d69d8ceb96d8bd6a49091e04c844fb7058c340743d561ce9f53febbde7d9967fe8090817f73092647a35998ab08fd416e4  config-xiaomi-cancro.armhf
d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc  compiler-gcc6.h
39892cc41e484c51dccc29cadea475aaf99772bafb19231086b614b9eaee520843cd9361c89a6780229961e0ebf4bbf0e115d0e30f8302944b78091fcf7900e7  01_smd_private.patch
7be03a9e78b7ac330a54b1f00509caa0621a95c0c55901878ad757f9dd69cc05ba2c8b5ea987063ae1224f92c4d090d515fa5d369e7755181a4871b0d0f82881  02_gpu-msm-fix-gcc5-compile.patch
b16626bcf66016aee891050cade45127630062339227ce5d20862ab48eba712f92b3ab09e5e0e1bd8e57084fb20dafc4f8a6b3be61823b51136de2ba4c5a9986  03t_spdrv.patch
c1a70619ffb7aec52b8e4b0847800ff7eeae7f1061e61f68030849e0542175c1f83ca5fa12ab78c12e4cce5900467c5c07677d45abff4bc9889d529a7dd20522  tspdrv_2.patch
977e8b6bd17b148fea92952ea92d50c35dd94b3b585af2b30dee000c1092539139b08128494a63b7963bdd6ed4e6a2f44d5faba7e48af41e01440e41f9538b3b  tspdrv_3.patch
4b6c12f0591302fe50617ce49eae456befd1e8b9cfcf7ec8a322cbff5f54fbfd85c1b5ea68ad5f84e63450a0972eb07e46bbeb9c5f76c9b42cc2d88e5ef295b7  tspdrv_4.patch
a509f9fbe351fd22d3f036ed3718f9f1e0b24791b7ddb6851bc683fa5197f5856477f6b5552cd6bb6e07df1e355c2a65c228f29e896b158e369ca4c7c7e9e07b  tspdrv_5.patch
4e7484eaa142e013c9aee12053d91a65983f7629d2b923566d4431143fa0529988dbc28b01dee21336995090ce8127b2ba79208bf61df359632bfeebae9c6618  05_q6voice.patch"