# Co-Maintainer: Achill Gilgenast <achill@achill.org>
maintainer="Aelin <aelin@postmarketos.org>"
pkgname=linux-postmarketos-mainline
pkgver=7.2_rc6
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-lockdown
	pmb:kconfigcheck-rust
	pmb:kconfigcheck-selinux
	pmb:kconfigcheck-uefi
	pmb:kconfigcheck-virt
"
makedepends="
	bash
	bison
	clang
	clang-libclang
	diffutils
	elfutils-dev
	findutils
	flex
	grep
	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="
2678d581c396ec8f09caa90fb15e08c6e541e9dcea1046a2cbb9d990da043ccc86f175b08e4b775902b2ce12113c808a6c49b3fc07ff27f1766e138d517d0b73  linux-postmarketos-mainline-7.2_rc6.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
1763aa6587d614d75da4426d7f53ea2792b545644375d4fbd57f33469df0dc8d07fa95d54d21d291fd3b223eddc725deb2b9c28d6924526c564465e30818e3db  config-mainline.aarch64
3fab1c216f38a5721573ce687c5cee18eb7c0b2fda4131fdf49a808091e97f19479b41f1f1a2d08959ea0b64b0bad73cc85605a7de3edad21ebb18b7c344350a  config-mainline.armv7
a6df143a99f818d35124ec1cc82d96e934445ed20847766b290104f9212803a93152858c9d3c49c528cf29eb280cf5f3bd03f1ad9b695ff2b348075cf63b1233  config-mainline.loongarch64
96601883e8a22cd7f0a28e966ee611a5ebef9d82c880efb63d045690397f8c5309d5cf9bd1c6347445fd2a6d611ecf7c28c0a62bd391a28345d4d13b30d84504  config-mainline.ppc64le
872ad21ae80ab96ff5b22a704613491cf2d071cb0d446a3cd99376ecd8b4c4d17029f234e7bb4f024c7a729c71a5ed26e24356c3681677dbb825d19c56808bd8  config-mainline.riscv64
c7581edda832fcf940f60faecc9fee7c2da99031d33157bc6bc1dbeecad80ba45a52b90ebe3205cab0abbdaaf13c63c63cccaaffda43a65fc62b632e5979aa6c  config-mainline.x86
b01e685d04add6fd55cb2fb3975120a4a650d8738a6ec7b747474832d8960e4e7fcb5e2eb9397b6ec252d38a1b67fc733a729e5d5b7b0e67041ba1bea1ff4f3f  config-mainline.x86_64
"
