# Kernel config based on: arch/arm64/configs/oneplus2_defconfig

pkgname="linux-oneplus-oneplus2"
pkgver=3.10.108
pkgrel=1
pkgdesc="OnePlus 2 kernel fork"
arch="aarch64"
_carch="arm64"
_flavor="oneplus-oneplus2"
url="https://kernel.org"
license="GPL2"
options="!strip !check !tracedeps"
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev 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_oneplus_msm8994"
_commit="0178fae80ec43cefa75f590e18a9039f5b379425"
_config="config-${_flavor}.${arch}"
source="
	$pkgname-$_commit.tar.gz::https://github.com/LineageOS/${_repository}/archive/${_commit}.tar.gz
	$_config
	compiler-gcc6.h
	00_mt_width_major_params.patch
"
builddir="$srcdir/${_repository}-${_commit}"

prepare() {
	default_prepare

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

	# Remove -Werror from all makefiles
	find . -type f -name Makefile -print0 | \
		xargs -0 sed -i 's/-Werror-/-W/g'
	find . -type f -name Makefile -print0 | \
		xargs -0 sed -i 's/-Werror//g'

	sed -i 's/-Werror//g' drivers/staging/qcacld-2.0/Kbuild

	# 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"
}

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
}

sha512sums="81ef633e95b16a6413cacc7eb287e5194396bc34c198d29b498a4c6f8750836ec1f247b6ba7b2371bc642c48ef2492dc0c18ee358d0bc3291d2a0c1d0ded684e  linux-oneplus-oneplus2-0178fae80ec43cefa75f590e18a9039f5b379425.tar.gz
f24e3daf68697515e911718961a1addfc3a27c38d0e26d9a8b272ef7fa369798f0a3c8ad26a34cb6985eb24a23b1892eaa9eb748aa03c48ac19e0ae3d2dc3161  config-oneplus-oneplus2.aarch64
d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc  compiler-gcc6.h
d4eff67f99708e091499ce033a0709ba6765d83ed74c7411bd7d8ec72ce822db4e7c3bc8e7f51ccc8610486546ea9d9485a7cb93a761c8307b94283b337da726  00_mt_width_major_params.patch"