306 lines
12 KiB
Bash
306 lines
12 KiB
Bash
#!/bin/bash
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# shellcheck disable=SC2034 disable=SC2154 disable=SC2155 disable=SC2048 disable=SC2086 disable=SC2295
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# ^^^^^ These have been deliberately disabled throughout this entire PKGBUILD, please don't remove them :)
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# Maintainer: JeremyStarTM <jeremystartm@staropensource.de>
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# Maintainer: Josip Ponjavic <josipponjavic at gmail dot com>
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# All build options have been removed as this PKGBUILD is exclusively used for buildtool.sh.
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# If you want to build linux-jstm-optimized without using buildtool.sh use the other PKGBUILD file instead.
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_serverkernel_version=sk1
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_kerneloptimized_version=ko2
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_kernel_major=6.7
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_kernel_minor=9
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_gcc_more_v='20240221.2'
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_srcname_linux=linux-${_kernel_major}
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_srcname_clpatches=${_kernel_major}.8-1413
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pkgbase=linux-server-kernel
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pkgver=linux${_kernel_major}.${_kernel_minor}+clear${_srcname_clpatches//-/_}+${_kerneloptimized_version}+${_serverkernel_version}
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pkgrel=1
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pkgdesc="Optimized Linux kernel. Includes Clear Linux's kernel config and some tweaks made by StarOpenSource and upstream (JeremyStarTM)."
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arch=('x86_64')
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url="https://git.staropensource.de/StarOpenSource/server-kernel"
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license=('GPL2')
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makedepends=('bc' 'cpio' 'git' 'libelf' 'pahole' 'xmlto')
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if [ -n "$_use_llvm_lto" ]; then
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makedepends+=(clang llvm lld python)
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fi
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options=('!strip')
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source=(
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"https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-${_kernel_major}.tar.xz"
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"https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-${_kernel_major}.tar.sign"
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"https://cdn.kernel.org/pub/linux/kernel/v6.x/patch-${_kernel_major}.${_kernel_minor}.xz"
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"cl-linux::git+https://github.com/clearlinux-pkgs/linux.git#tag=${_srcname_clpatches}"
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"more-uarches-$_gcc_more_v.tar.gz::https://github.com/graysky2/kernel_compiler_patch/archive/$_gcc_more_v.tar.gz"
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)
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if [ -n "$_use_llvm_lto" ]; then
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BUILD_FLAGS=(
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LLVM=1
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LLVM_IAS=1
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)
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fi
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export KBUILD_BUILD_HOST=archlinux
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export KBUILD_BUILD_USER=$pkgbase
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export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"
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prepare() {
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echo ":: prepare: prepare() called"
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echo ":: prepare: cding into \"${_srcname_linux}\""
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cd "${_srcname_linux}" || exit 1
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### Add upstream patches
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echo ":: prepare: adding upstream patches"
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patch -Np1 -i ../patch-${_kernel_major}.${_kernel_minor} || true
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### Setting version
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echo ":: prepare: updating version"
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echo "-$pkgrel" > localversion.10-pkgrel
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echo "${pkgbase#linux}" > localversion.20-pkgname
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### Add Clear Linux patches
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echo ":: prepare: patching kernel with Clear Linux patches"
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# shellcheck disable=SC2013
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for i in $(grep '^Patch' "${srcdir}"/cl-linux/linux.spec | grep -Ev '^Patch0132|^Patch0118|^Patch0113|^Patch0138|^Patch0139' | sed -n 's/.*: //p'); do
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if [ -n "$_use_llvm_lto" ]; then
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if [ "${i}" == "0162-extra-optmization-flags.patch" ] ; then
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continue
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fi
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fi
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echo ":: prepare: applying patch ${i}..."
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patch -Np1 -i "$srcdir/cl-linux/${i}" || true
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done
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### Copy config
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echo ":: prepare: copying kernel-optimized kconfig into kernel repository"
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cp -Tf "${startdir}/kconfig" ./.config
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if [ -n "$_use_llvm_lto" ]; then
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echo ":: prepare: enabling LLVM support"
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scripts/config -d LTO_NONE \
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-e LTO \
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-e LTO_CLANG \
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-e ARCH_SUPPORTS_LTO_CLANG \
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-e ARCH_SUPPORTS_LTO_CLANG_THIN \
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-e HAS_LTO_CLANG \
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-e LTO_CLANG_THIN \
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-e HAVE_GCC_PLUGINS
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fi
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if [ "$_debug" == "y" ]; then
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echo ":: prepare: enabling debugging features"
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scripts/config -e DEBUG_INFO \
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-e DEBUG_INFO_BTF \
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-e DEBUG_INFO_DWARF4 \
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-e PAHOLE_HAS_SPLIT_BTF \
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-e DEBUG_INFO_BTF_MODULES
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elif [ "$_debug" == "n" ]; then
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echo ":: prepare: disabling debugging features"
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scripts/config -d DEBUG_INFO \
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-d DEBUG_INFO_BTF \
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-d DEBUG_INFO_DWARF4 \
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-d PAHOLE_HAS_SPLIT_BTF \
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-d DEBUG_INFO_BTF_MODULES
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fi
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echo ":: prepare: running olddefconfig"
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make ${BUILD_FLAGS[*]} olddefconfig
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diff -u $srcdir/cl-linux/config .config || :
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# https://github.com/graysky2/kernel_compiler_patch
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# make sure to apply after olddefconfig to allow the next section
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echo ":: prepare: patching kernel with kernel_compiler_patch"
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patch -Np1 -i "$srcdir/kernel_compiler_patch-$_gcc_more_v/more-uarches-for-kernel-6.1.79-6.8-rc3.patch"
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if [ -n "$_subarch" ]; then
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# user wants a subarch so apply choice defined above interactively via 'yes'
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echo ":: prepare: selecting sub architecture (automatic)"
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yes "$_subarch" | make ${BUILD_FLAGS[*]} oldconfig
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else
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# no subarch defined so allow user to pick one
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echo ":: prepare: selecting sub architecture (intervention required)"
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make ${BUILD_FLAGS[*]} oldconfig
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fi
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### Optionally load needed modules for the make localmodconfig
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# See https://aur.archlinux.org/packages/modprobed-db
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if [ -n "$_localmodcfg" ]; then
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if [ -e "$HOME/.config/modprobed.db" ]; then
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echo ":: prepare: executing localmodconfig"
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make ${BUILD_FLAGS[*]} LSMOD=$HOME/.config/modprobed.db localmodconfig
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else
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echo ":: prepare: error: no modprobed.db found at \"${HOME}/.config/modprobed.db\", skipping"
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fi
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fi
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echo ":: prepare: writing kernel version"
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make -s kernelrelease > version
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[[ -z "$_makexconfig" ]] || (
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echo ":: prepare: executing xconfig"
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make ${BUILD_FLAGS[*]} xconfig
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)
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[[ -z "$_makenconfig" ]] || (
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echo ":: prepare: executing nconfig"
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make ${BUILD_FLAGS[*]} nconfig
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)
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### Save configuration for later reuse
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[[ -z "$_copyfinalconfig" ]] || (
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echo ":: prepare: copying configuration file into kernel-optimized repository"
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cp -Tf ./.config "${startdir}/kconfig-final"
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)
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echo ":: prepare: prepare() finished"
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}
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build() {
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echo ":: build: build() called"
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echo ":: build: cding into \"${_srcname_linux}\""
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cd "${_srcname_linux}" || exit 1
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echo ":: build: starting compilation (make ${BUILD_FLAGS[*]} all)"
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make ${BUILD_FLAGS[*]} all
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echo ":: build: build() finished"
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}
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_package() {
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echo ":: _package: _package() called"
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echo ":: _package: updating package information"
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pkgdesc="${pkgdesc} This package includes the kernel and compiled modules."
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depends=('coreutils' 'kmod' 'initramfs')
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optdepends=('wireless-regdb: to set the correct wireless channels of your country'
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'linux-firmware: firmware images needed for some devices'
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'modprobed-db: Keeps track of EVERY kernel module that has ever been probed - useful for those of us who make localmodconfig')
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provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE KSMBD-MODULE)
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install=linux.install
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echo ":: _package: cding into \"${_srcname_linux}\""
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cd "$_srcname_linux" || exit 1
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local modulesdir="$pkgdir/usr/lib/modules/$(<version)"
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echo ":: _package: installing boot image"
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# systemd expects to find the kernel here to allow hibernation
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# https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
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install -Dm644 "$(make -s image_name)" "$modulesdir/vmlinuz"
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# Used by mkinitcpio to name the kernel
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echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"
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echo ":: _package: installing modules"
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ZSTD_CLEVEL=19 make ${BUILD_FLAGS[*]} INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 \
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DEPMOD=/doesnt/exist modules_install # Suppress depmod
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# remove build link
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rm "$modulesdir"/build
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echo ":: _package: _package() finished"
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}
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_package-headers() {
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echo ":: _package-headers: _package-headers() called"
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echo ":: _package-headers: updating package information"
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pkgdesc="${pkgdesc} This package includes various headers and scripts for building modules."
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depends=(pahole)
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echo ":: _package-headers: cding into \"${_srcname_linux}\""
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cd "${_srcname_linux}" || exit 1
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local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
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echo ":: _package-headers: installing build files"
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install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map \
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localversion.* version vmlinux
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install -Dt "$builddir/kernel" -m644 kernel/Makefile
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install -Dt "$builddir/arch/x86" -m644 arch/x86/Makefile
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cp -t "$builddir" -a scripts
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# required when STACK_VALIDATION is enabled
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install -Dt "$builddir/tools/objtool" tools/objtool/objtool
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# required when DEBUG_INFO_BTF_MODULES is enabled
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if [ -f tools/bpf/resolve_btfids/resolve_btfids ]; then
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install -Dt "$builddir/tools/bpf/resolve_btfids" tools/bpf/resolve_btfids/resolve_btfids
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fi
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echo ":: _package-headers: installing headers"
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cp -t "$builddir" -a include
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cp -t "$builddir/arch/x86" -a arch/x86/include
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install -Dt "$builddir/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s
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install -Dt "$builddir/drivers/md" -m644 drivers/md/*.h
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install -Dt "$builddir/net/mac80211" -m644 net/mac80211/*.h
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# https://bugs.archlinux.org/task/13146
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install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h
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# https://bugs.archlinux.org/task/20402
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install -Dt "$builddir/drivers/media/usb/dvb-usb" -m644 drivers/media/usb/dvb-usb/*.h
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install -Dt "$builddir/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/*.h
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install -Dt "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h
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# https://bugs.archlinux.org/task/71392
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install -Dt "$builddir/drivers/iio/common/hid-sensors" -m644 drivers/iio/common/hid-sensors/*.h
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echo ":: _package-headers: installing KConfig files"
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find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;
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echo ":: _package-headers: removing unneeded architectures"
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local arch
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for arch in "$builddir"/arch/*/; do
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[[ $arch = */x86/ ]] && continue
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echo "Removing $(basename "$arch")"
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rm -r "$arch"
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done
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echo ":: _package-headers: removing documentation"
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rm -r "$builddir/Documentation"
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echo ":: _package-headers: removing broken symlinks"
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find -L "$builddir" -type l -printf 'Removing %P\n' -delete
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echo ":: _package-headers: removing loose objects"
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find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete
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echo ":: _package-headers: stripping build tools"
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local file
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while read -rd '' file; do
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case "$(file -Sib "$file")" in
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application/x-sharedlib\;*) # Libraries (.so)
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strip -v $STRIP_SHARED "$file" ;;
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application/x-archive\;*) # Libraries (.a)
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strip -v $STRIP_STATIC "$file" ;;
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application/x-executable\;*) # Binaries
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strip -v $STRIP_BINARIES "$file" ;;
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application/x-pie-executable\;*) # Relocatable binaries
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strip -v $STRIP_SHARED "$file" ;;
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esac
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done < <(find "$builddir" -type f -perm -u+x ! -name vmlinux -print0)
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echo ":: _package-headers: stripping vmlinux"
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strip -v $STRIP_STATIC "$builddir/vmlinux"
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echo ":: _package-headers: adding symlink"
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mkdir -p "$pkgdir/usr/src"
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ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"
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echo ":: _package-headers: _package-headers() finished"
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}
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pkgname=("$pkgbase" "$pkgbase-headers")
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for _p in "${pkgname[@]}"; do
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eval "package_$_p() {
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$(declare -f "_package${_p#$pkgbase}")
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_package${_p#$pkgbase}
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}"
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done
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sha256sums=('ef31144a2576d080d8c31698e83ec9f66bf97c677fa2aaf0d5bbb9f3345b1069'
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'SKIP'
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'e7562c6344c936de81e49e8613d4ac1be5f8941332e4dcf58caab8591c10f8c1'
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'SKIP'
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'1d3ac3e581cbc5108f882fcdc75d74f7f069654c71bad65febe5ba15a7a3a14f')
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validpgpkeys=(
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'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
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'647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
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)
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