# Co-Maintainer: Achill Gilgenast <achill@achill.org>
maintainer="Aelin <aelin@postmarketos.org>"
pkgname=linux-postmarketos-mainline
pkgver=7.2_rc2
pkgrel=0
_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-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="
89042c909cbba5b3c1a084ce4451e6bfcb79e121df6aa2928d7bc6b5da17a403e2706f5c26e705574f17afdcea0a2d6c69799a7984cc69710aad768449aca8d6  linux-postmarketos-mainline-7.2_rc2.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
cfde7a2bb7f1d8783cacd78d9c29e03eb3ad96393b4c74ee8d0a067857d70683dbe629993573fb1e8a29dcf5a6c40ae19abc0a2952804cf9f77527916afbff25  config-mainline.aarch64
1f82fa9358c5265dc666044e5de1623e01348cbc72656027ff397be145df36c32a9381ace4be33db9f97f92a586d318efaa49d8f59b2ab98331db9a422a81764  config-mainline.armv7
23562f0b02de3441cd0af007d254bb6d04ed027059be64b1969ad1c15e0b1b0aef62c2866c63c35fc573c7871cf3c0c94477c1a23e3bdd5ce51fd698512683e0  config-mainline.loongarch64
4f9eb4c6153a8ec150892558647e4fc19e893716208fe1156e7395b415ca4977262bf3de7452b42dcde8ba996377ec2035d58a7eedb29359830d251700966af5  config-mainline.ppc64le
0ff70251ca9805f08adb3ad11e76e9d0954244dea5e8e03adc4b29c03d5d6e20fd8f7ec5476d0b3c1c6a40f99b274e36c2d6a5c431e072cc4f92db3905d6c725  config-mainline.riscv64
0aede005f49a4eec2c59336fee7ca1048d2f3849ed2b3b62a42556be65373d44e87879fa8c4ae49933b7fbcd2851ab53f0052364f30eb610c87b83849ab9cfa5  config-mainline.x86
73672c59062e370ed455dd14b0c0736dc28613e7cf61769d52e3daabc7e3d6a1f85aa543a0dc4db7618d299948adadf0a173dddd6166594b76c42715ff46fcf2  config-mainline.x86_64
"
