# Co-Maintainer: Achill Gilgenast <achill@achill.org>
maintainer="Aelin <aelin@postmarketos.org>"
pkgname=linux-postmarketos-stable
pkgver=7.1.2
pkgrel=0
_kver=${pkgver%.*}
pkgdesc="Stable 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="stable"
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-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
"
replaces="linux-stable"

# 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="
	linux-$_kver.tar.xz::https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/linux-$_kver.tar.xz

	0001-WIP-arch-powerpc-boot-Support-LLVM-1-in-wrapper-scri.patch
	0002-WIP-arch-powerpc-boot-Use-z-notext-for-pseries-image.patch
	0003-WIP-arch-powerpc-boot-Add-z-norelro.patch

	0004-resolve_btfids-preserve-tag-and-parameter-names-when.patch

	config-stable.aarch64
	config-stable.armv7
	config-stable.loongarch64
	config-stable.ppc64le
	config-stable.riscv64
	config-stable.x86
	config-stable.x86_64
"
builddir="$srcdir/linux-$_kver"
_defconfig="defconfig"

if [ "${pkgver%.0}" = "$pkgver" ]; then
	# Prepend to apply first
	source="patch-$pkgver.patch.xz::https://cdn.kernel.org/pub/linux/kernel/v${pkgver%%.*}.x/patch-$pkgver.xz $source"
fi

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="
c825216673bbc11f83fba55aed6456d6149cecc99df5f7b33971dcaeec967e73fa9950f62ddaca2fee437b0bf6f4c4826088a0ccdc7f96fe32ea936bcfdd3b67  patch-7.1.2.patch.xz
d4d9c45261813559341c67ea53d4a47f5a04d1ad15e3c2b8222a09b5483380d2bfd31b8c675e144db2eb91f560d6cb28f66187a5ea4f24f6dfb82a4ad48064cc  linux-7.1.tar.xz
1f11df2480e9f691573283597160b4c806e492cdca4825f3acb3afb70bde43abfab487bcde1f5553b431a702a0039479d041b0ce7859970e706b5a51d2ad8fb0  0001-WIP-arch-powerpc-boot-Support-LLVM-1-in-wrapper-scri.patch
26521a9c9ea769534095dc4e306babadc8bcbaf03d7faa523c377e41ba0f742ecd0490fa27791d895f729c3ae8845297dca59b4db2475e7f078e689c447430bc  0002-WIP-arch-powerpc-boot-Use-z-notext-for-pseries-image.patch
302c20c85559fc9b3b2420ed25be1bfbb76c87f2a470e4141c32e9542cf1f5c6b3b5a7847231a3eaa0f6bc0e5942d0c1599e807175dcf5e63469704c3d6adde3  0003-WIP-arch-powerpc-boot-Add-z-norelro.patch
4e705e038a91466a86fc5317b0028c2220aa1e7a4807e5d86db2f9ac815a927c59666a8f21ed50c4632147d3ce183d8042378a76f95341dbcd3db1047faf39e3  0004-resolve_btfids-preserve-tag-and-parameter-names-when.patch
f65c7048957fa7a7659b5d84f08750d57e80dbfd4b5d2d3f67fa6f5ab6aa2358c1a757a99074d8d4680f191fc0954df4c1133a87fc7fa418baa48157e474f7a9  config-stable.aarch64
59aa579230571933593734c845b10f9e05815fa3c1e127416e6ec3f27092d078f552a946baf9fa7ccbf0b08883f6bd2ae4f8d32bc9048200f0693d92167c5e5f  config-stable.armv7
d24df2e3fa154565cdd6d8a7c27c2295b0e7c021d42ac7a14f6574a25359e1189c31be38121106332c403f1dfab33a4ad37dbe7870bb385e84ff41749beb2a60  config-stable.loongarch64
c3018f06f2eb02f568ed249b0daede5e5cb957967b19da791c77a6450e0baf70720f8e9f77fdf67012d30083e72c761a391ea31e163138cc14dfbeae46b010b0  config-stable.ppc64le
1ce3000de5257e3e11f924eb9dbb5f27139d78e181d318f993e9c3ee9ab3e1bf3f43a617a9e2b071dd1ab7ca52c3737ede0bab71794de45eb8a4a3a71cb322d9  config-stable.riscv64
fdd273ca8185e43c1a07861b8b8697fadaa1894ed0378518ebad91cfb0139e08e417e2242f10dc925e45e29f9db145ae68c5f7f0d1d17a8da1ce5ee9fc4006a0  config-stable.x86
3c783d05372bf8a40429fecee5c8c9c1c87fa7b9ffcdabbe0a507872f7015d960ae377a11856b44bcaeb4cc93b1d1a414c63daa6d767f5bd10d9fe182cb79c30  config-stable.x86_64
"
