# Reference: <https://postmarketos.org/vendorkernel>
# Kernel config based on: arch/arm64/configs/pmos-a20_defconfig

pkgname=linux-samsung-a20
pkgver=4.4.250
pkgrel=2
pkgdesc="Samsung Galaxy A20 kernel fork"
arch="aarch64"
_carch="arm64"
_flavor="samsung-a20"
url="https://kernel.org"
license="GPL-2.0-only"
options="!strip !check !tracedeps pmb:cross-native"
makedepends="bash bc bison devicepkg-dev flex openssl-dev perl 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_samsung_a20"
_commit="ce4a8678bd0e160c910d406463b6df4f6a5be813"
_config="config-$_flavor.$arch"
source="
	$pkgname-$_commit.tar.gz::https://gitlab.com/arpio/$_repository/-/archive/$_commit/$_repository-$_commit.tar.gz
	$_config
"
builddir="$srcdir/$_repository-$_commit"
_outdir="out"

prepare() {
	default_prepare
	. downstreamkernel_prepare
}

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

package() {
	downstreamkernel_package "$builddir" "$pkgdir" "$_carch" "$_flavor" "$_outdir"
}

sha512sums="eea2e47941da0594b992bb5c2544c3337753d398d2b137128fccf5d4683f20200266127a3ff353371a44fb8a79199b8e95dcd5d2f609dae53ad39c092b4de79a  linux-samsung-a20-ce4a8678bd0e160c910d406463b6df4f6a5be813.tar.gz
0c3ae2cb7b1a0d761dc73cb61ff37eb35e3cd28ce65da8335e6ac4692647783f6991808ed01e933e6aae882fa7d113bfc0acc43b492e62daa077b551dc2547ee  config-samsung-a20.aarch64"