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

pkgname="linux-sony-amami"
pkgver=3.10.84
pkgrel=5
pkgdesc="Sony Xperia Z1 Compact kernel fork"
arch="armv7"
_carch="arm"
_flavor="sony-amami"
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"

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

# Source
_repository="kernel"
_commit="2134cafba220b32c43701368413ee333b41b7fe0"
_config="config-${_flavor}.${arch}"
source="
	$pkgname-$_commit.tar.gz::https://github.com/sonyxperiadev/${_repository}/archive/${_commit}.tar.gz
	$_config
	gcc7-give-up-on-ilog2-const-optimizations.patch
	gcc8-fix-put-user.patch
	downstream-backport-getrandom.patch
"

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="fae2299d9d36956be71f40ae724ac0a5069b53d440c114184f82495550c76743e9275e37ad00f6d4a012d32e91a580f424cdb1a1222647c5f2fd678a405a225f  linux-sony-amami-2134cafba220b32c43701368413ee333b41b7fe0.tar.gz
0896618a3bb536dc5f8d9932fe704e8f279000207054039bf8df25e89fb9b2d7d70175cbc4af2ee42982ff7af39fd98c41ec5d79d517a36d9ac3fad5344ce615  config-sony-amami.armv7
77eba606a71eafb36c32e9c5fe5e77f5e4746caac292440d9fb720763d766074a964db1c12bc76fe583c5d1a5c864219c59941f5e53adad182dbc70bf2bc14a7  gcc7-give-up-on-ilog2-const-optimizations.patch
197d40a214ada87fcb2dfc0ae4911704b9a93354b75179cd6b4aadbb627a37ec262cf516921c84a8b1806809b70a7b440cdc8310a4a55fca5d2c0baa988e3967  gcc8-fix-put-user.patch
b921570e799682d3ac6bff5dae2c7a69da24cd6988e57605fea0bd039e8b677e8335e11846c51798a5fb15011eaf0495fe6a410833a244319140798d7b70fea1  downstream-backport-getrandom.patch"
