# Co-Maintainer: Achill Gilgenast <achill@achill.org>
maintainer="Aelin <aelin@postmarketos.org>"
pkgname=linux-postmarketos-mainline
pkgver=7.2_rc3
pkgrel=1
_rel=${pkgver#*_p}
_kver=${pkgver%_p*}
_kver=${_kver//_/-}
pkgdesc="Mainline Kernel"
# armhf: pmbootstrap cannot dynamically choose a defconfig, so it ends up using multi_v7_defconfig which isn't correct
# s390x: kconfigcheck is not ready for it yet
arch="all !armhf !s390x"
_flavor="mainline"
url="https://kernel.org"
license="GPL-2.0-only"
options="
	!check
	!strip
	!tracedeps
	pmb:cross-native
	pmb:generic-kernel
	pmb:kconfigcheck-community
	pmb:kconfigcheck-immutable
	pmb:kconfigcheck-lockdown
	pmb:kconfigcheck-rust
	pmb:kconfigcheck-selinux
	pmb:kconfigcheck-uefi
	pmb:kconfigcheck-virt
"
makedepends="
	bash
	bison
	clang
	clang-libclang
	diffutils
	elfutils-dev
	findutils
	flex
	kmod
	linux-headers
	lld
	llvm
	openssl-dev
	pahole
	perl
	postmarketos-installkernel
	python3
	rust
	rust-bindgen
	rust-src
	rustfmt
	sed
	zstd
"

# powerpc boot wrapper patches:
# Necessary for compilation without cross GCC in PATH, cherry-picked from
# Nathan's fork, he does not have time to upstream them right now but would be
# happy if someone else did:
# https://lore.kernel.org/linuxppc-dev/aXs8sgAcci9FKKpx@luna/
source="
	$pkgname-$pkgver.tar.gz::https://git.kernel.org/torvalds/t/linux-${pkgver/_/-}.tar.gz

	0001-WIP-arch-powerpc-boot-Support-LLVM-1-in-wrapper-scri.patch
	0002-WIP-arch-powerpc-boot-Add-z-norelro.patch

	config-mainline.aarch64
	config-mainline.armv7
	config-mainline.loongarch64
	config-mainline.ppc64le
	config-mainline.riscv64
	config-mainline.x86
	config-mainline.x86_64
"
builddir="$srcdir/linux-${pkgver/_/-}"

case "$CARCH" in
	aarch64*) _carch="arm64" ;;
	arm*) _carch="arm" ;;
	loongarch*) _carch="loongarch" ;;
	ppc*) _carch="powerpc" ;;
	riscv*) _carch="riscv" ;;
	s390x) _carch="s390" ;;
	x86) _carch="i386" ;;
	x86_64) _carch="x86_64" ;;
esac

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

build() {
	unset LDFLAGS
	make ARCH="$_carch" LLVM=1 \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-$_flavor"
}

package() {
	local _install
	case "$CARCH" in
		arm*|aarch64|riscv*) _install="zinstall dtbs_install" ;;
		*) _install="install" ;;
	esac

	make modules_install $_install \
		ARCH="$_carch" \
		LLVM=1 \
		INSTALL_PATH="$pkgdir"/boot \
		INSTALL_MOD_PATH="$pkgdir"/usr \
		INSTALL_MOD_STRIP=1 \
		INSTALL_DTBS_PATH="$pkgdir"/boot/dtbs

	rm -f "$pkgdir"/usr/lib/modules/*/build "$pkgdir"/usr/lib/modules/*/source

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

sha512sums="
3a065b9006efbf42aca12defd9206496581964a7e841f77564d2bf2bea40b0908cca75e00eb229ff9a7405b8da28ac7590f9d2e95d7f2d235120bc7220df4355  linux-postmarketos-mainline-7.2_rc3.tar.gz
1f11df2480e9f691573283597160b4c806e492cdca4825f3acb3afb70bde43abfab487bcde1f5553b431a702a0039479d041b0ce7859970e706b5a51d2ad8fb0  0001-WIP-arch-powerpc-boot-Support-LLVM-1-in-wrapper-scri.patch
302c20c85559fc9b3b2420ed25be1bfbb76c87f2a470e4141c32e9542cf1f5c6b3b5a7847231a3eaa0f6bc0e5942d0c1599e807175dcf5e63469704c3d6adde3  0002-WIP-arch-powerpc-boot-Add-z-norelro.patch
720d681f4a0bb7430c89b3e1c7c061ef722dc636000cdb9b2bc1b4af9108a4ee4473ca8a1fad759c423a3fc7a3f1104031f24881092fdf3d535340e9a7a0e94b  config-mainline.aarch64
62459d6c6acd2fa0e2328d1767998f86a4c06f53faff6bdd7f7ce133fae2311e1b18517283de2eb7cc32d1abb009a7decc795f850b26f84667aa7392175225c9  config-mainline.armv7
d31008935161f660e367a27bdf72643e3380ddb7f7045f8ee2c08116a6872ff44df3247285bc211c039b306035bea4eacd4547ce732444b5a2e144f0d9f550cf  config-mainline.loongarch64
a6dc8df8802cf1d177ba88889a26fcf4c507d4d45eb7eefa8bf50a854d30d445cbd68b519b3463e9d674663b9ede20d5dca1e82ebf32fdf91b8e06c5cd6eb62a  config-mainline.ppc64le
8cb2ec930181f915dbb3953ae941afa1af6783e56c551c7bcade4415f8a2ee0f7a177d42abad59ac45e6a8c17be30e6f55ae0383fcf02c331827d53546bf9c82  config-mainline.riscv64
5eaf5a87a6c0075b69f40dba6614d611730eadf9557d3bb0bc8df52b4de9c61fc17f8825dfa5b41852b5614476cf927eb052e61744224c406332b4e4dc8688fa  config-mainline.x86
f7fb6c031bf858e80146db516daf1d3ecfea755bedbeb866fe669a51657525a217e2d5db18b0c18ae219d1a299ecfa27dc9d0cb4db84cca3eaa2e23ae543082c  config-mainline.x86_64
"
