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

pkgname=linux-amazon-karnak
pkgver=3.19.0
pkgrel=0
pkgdesc="Amazon Fire HD 8 (2018) kernel fork"
arch="aarch64"
_carch="arm64"
_flavor="amazon-karnak"
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="android_kernel_amazon_karnak"
_commit="65a221f465b34d967ca0ec115569ca71dd136a96"
_config="config-$_flavor.$arch"
source="
	$pkgname-$_commit.tar.gz::https://github.com/mt8163/$_repository/archive/$_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="
b207d358aba0fdf3cf6ad2c4af9807a60da0d2752583c4c559a708cd3612872752801a8a60c2c5ecb3a0388c98a4484625712958ff528f4329e92789c1a885f2  linux-amazon-karnak-65a221f465b34d967ca0ec115569ca71dd136a96.tar.gz
54fad6f1d52b1cb7874d77c0ff3893c498c9462c71626640fdec209e4b8481f30eade279ba371427e1c7829546326957f960dc48967fdbc3b47dfb791dcf0426  config-amazon-karnak.aarch64
"