# Reference: <https://postmarketos.org/vendorkernel>
# Kernel config based on: arch/arm/configs/u8500_defconfig

_flavor="postmarketos-novathor"
pkgname="linux-${_flavor}"
pkgver=5.5_rc3
pkgrel=0
pkgdesc="Mainline kernel fork for ST-Ericsson NovaThor devices"
arch="armv7"
_carch="arm"
url="https://github.com/novathor-mainline/linux"
license="GPL-2.0-only"
options="!strip !check !tracedeps pmb:cross-native"
depends_dev="perl gmp-dev elfutils-dev bash flex bison"
makedepends="$depends_dev sed installkernel bc linux-headers openssl-dev"

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

# Source
_tag=v${pkgver//_/-}-novathor
source="
	$pkgname-$_tag.tar.gz::$url/archive/$_tag.tar.gz
	config-$_flavor.armv7
"
builddir="$srcdir/linux-${_tag#v}"

prepare() {
	default_prepare
	cp "$srcdir/config-$_flavor.$CARCH" .config
}

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

package() {
	mkdir -p "$pkgdir"/boot
	make zinstall modules_install dtbs_install \
		ARCH="$_carch" \
		INSTALL_PATH="$pkgdir"/boot \
		INSTALL_MOD_PATH="$pkgdir" \
		INSTALL_DTBS_PATH="$pkgdir"/usr/share/dtb
	rm -f "$pkgdir"/lib/modules/*/build "$pkgdir"/lib/modules/*/source

	install -D "$builddir"/include/config/kernel.release \
		"$pkgdir"/usr/share/kernel/$_flavor/kernel.release
}

sha512sums="fad6e5ee0d239c3f656a266217d3a9e7faddeb2f1c727faf20d28669f173cbfab89d1f47b9d7b6f1c9f9ac6219db37f5b84451530baebb281145b4027559efd8  linux-postmarketos-novathor-v5.5-rc3-novathor.tar.gz
eac1c7d68fded40fae94f2430f5bb527c69a04e518dfdeed996ea8863bcc918309d955c9c850de08181c58811f18e362156899b15ecdaa85347d4809157504b2  config-postmarketos-novathor.armv7"