# Reference: <https://postmarketos.org/vendorkernel>
# Kernel config based on: arch/arm64/configs/aosp_kanuti_tulip_defconfig

pkgname="linux-sony-tulip"
pkgver=3.10
pkgrel=3
pkgdesc="Sony Xperia M4 Aqua kernel fork"
arch="aarch64"
_carch="arm64"
_flavor="sony-tulip"
url="https://kernel.org"
license="GPL-2.0-only"
options="!strip !check !tracedeps"
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev devicepkg-dev openssl openssl-dev gcc6"

# Compiler: GCC 6 (doesn't boot when compiled with newer versions)
if [ "${CC:0:5}" != "gcc6-" ]; then
	CC="gcc6-$CC"
	HOSTCC="gcc6-gcc"
	CROSS_COMPILE="gcc6-$CROSS_COMPILE"
fi


# Source
_repository="kernel_kanuti"
_commit="d8e51bc7dd6bde228f1d9a7ddcf664845c4f07fb"
_config="config-${_flavor}.${arch}"
source="
	$pkgname-$_commit.tar.gz::https://github.com/bartcubbins/${_repository}/archive/${_commit}.tar.gz
	$_config
"
builddir="$srcdir/${_repository}-${_commit}"

prepare() {
	default_prepare
	downstreamkernel_prepare "$srcdir" "$builddir" "$_config" "$_carch" "$HOSTCC"
}

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="7372b4fdfca2fef3c8ae48c9353a6d7ea658fc8412e2b288ee1097d902f5d9b81a0b76f3fc0e1bc74a015ec34e84c4942608f0e522d628b3deb288f4b177428c  linux-sony-tulip-d8e51bc7dd6bde228f1d9a7ddcf664845c4f07fb.tar.gz
7ed4290977b393fa5111eaff6c5513a0eb0dd7cf4447d70e26a38e670e45331ccd2fd1b4e56b0598019121ca08116e057304aa36c932a454616e8b0956c095c8  config-sony-tulip.aarch64"