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# SPDX-License-Identifier: GPL-2.0-only
# Maintainer: Thomas Weißschuh <linux@weissschuh.net>
# Contributor: Jan Alexander Steffens (heftig) <heftig@archlinux.org>
pkgbase=${PACMAN_PKGBASE:-linux-upstream}
pkgname=("${pkgbase}")
_extrapackages=${PACMAN_EXTRAPACKAGES-headers api-headers debug}
for pkg in $_extrapackages; do
pkgname+=("${pkgbase}-${pkg}")
done
pkgver="${KERNELRELEASE//-/_}"
# The PKGBUILD is evaluated multiple times.
# Running scripts/build-version from here would introduce inconsistencies.
pkgrel="${KBUILD_REVISION}"
pkgdesc='Upstream Linux'
url='https://www.kernel.org/'
# Enable flexible cross-compilation
arch=(${CARCH})
license=(GPL-2.0-only)
makedepends=(
bc
bison
cpio
flex
gettext
kmod
libelf
openssl
pahole
perl
python
rsync
tar
)
options=(!debug !strip !buildflags !makeflags)
_prologue() {
# MAKEFLAGS from makepkg.conf override the ones inherited from kbuild.
# Bypass this override with a custom variable.
export MAKEFLAGS="${KBUILD_MAKEFLAGS}"
# Kbuild works in the output directory, where this PKGBUILD is located.
cd "$(dirname "${BASH_SOURCE[0]}")"
}
build() {
_prologue
${MAKE} KERNELRELEASE="${KERNELRELEASE}" KBUILD_BUILD_VERSION="${pkgrel}"
}
_package() {
pkgdesc="The ${pkgdesc} kernel and modules"
local modulesdir="${pkgdir}/usr/${MODLIB}"
_prologue
echo "Installing boot image..."
# systemd expects to find the kernel here to allow hibernation
# https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
install -Dm644 "$(${MAKE} -s image_name)" "${modulesdir}/vmlinuz"
# Used by mkinitcpio to name the kernel
echo "${pkgbase}" > "${modulesdir}/pkgbase"
echo "Installing modules..."
${MAKE} INSTALL_MOD_PATH="${pkgdir}/usr" INSTALL_MOD_STRIP=1 \
DEPMOD=true modules_install
if [ -d "${srctree}/arch/${SRCARCH}/boot/dts" ]; then
echo "Installing dtbs..."
${MAKE} INSTALL_DTBS_PATH="${modulesdir}/dtb" dtbs_install
fi
# remove build link, will be part of -headers package
rm -f "${modulesdir}/build"
}
_package-headers() {
pkgdesc="Headers and scripts for building modules for the ${pkgdesc} kernel"
local builddir="${pkgdir}/usr/${MODLIB}/build"
_prologue
if grep -q CONFIG_MODULES=y include/config/auto.conf; then
echo "Installing build files..."
"${srctree}/scripts/package/install-extmod-build" "${builddir}"
fi
echo "Installing System.map and config..."
mkdir -p "${builddir}"
cp System.map "${builddir}/System.map"
cp .config "${builddir}/.config"
echo "Adding symlink..."
mkdir -p "${pkgdir}/usr/src"
ln -sr "${builddir}" "${pkgdir}/usr/src/${pkgbase}"
}
_package-api-headers() {
pkgdesc="Kernel headers sanitized for use in userspace"
provides=(linux-api-headers)
conflicts=(linux-api-headers)
_prologue
${MAKE} headers_install INSTALL_HDR_PATH="${pkgdir}/usr"
}
_package-debug(){
pkgdesc="Non-stripped vmlinux file for the ${pkgdesc} kernel"
local debugdir="${pkgdir}/usr/src/debug/${pkgbase}"
local builddir="${pkgdir}/usr/${MODLIB}/build"
_prologue
install -Dt "${debugdir}" -m644 vmlinux
mkdir -p "${builddir}"
ln -sr "${debugdir}/vmlinux" "${builddir}/vmlinux"
}
for _p in "${pkgname[@]}"; do
eval "package_$_p() {
$(declare -f "_package${_p#$pkgbase}")
_package${_p#$pkgbase}
}"
done
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