259 lines
9.3 KiB
Bash
259 lines
9.3 KiB
Bash
# Maintainer: Thomas Kuschel <thomas@kuschel.at>
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pkgbase=linux-tkt
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_srcname=linux
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_gitver=v5.17.1
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_patchver=20220315
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# patchver=master
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_patchname=more-uarches-for-kernel-5.17+.patch
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pkgver=5.17.v.1
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pkgrel=2
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arch=('x86_64')
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url="https://www.kernel.org/"
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license=('GPL2')
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makedepends=('kmod' 'inetutils' 'bc' 'git' 'libelf' 'lzop' 'gcc>=10.3')
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options=('!strip')
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source=("git+https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git#tag=$_gitver"
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# the main kernel config files
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'config-tkt.x86_64'
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# standard config files for mkinitcpio ramdisk
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"${pkgbase}.preset"
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# linux package install directives for pacman
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'linux.install'
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# patch from our graysky archlinux colleague, at https://github.com/graysky2/kernel_compiler_patch
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"https://raw.githubusercontent.com/graysky2/kernel_compiler_patch/$_patchver/$_patchname"
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)
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sha256sums=('SKIP'
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#config-tkt.x86_64
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'106bdf810ff56d76ff212b3f19b80eb699150a311ea43b7701e0ce2193dd0f57'
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#.preset file linux-tkt.preset
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'f1eaf5f24b251b823ff6991119b4bc80df5ba22065803b7bd2f1f09d1bd06e0e'
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#linux install file
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'd590e751ab4cf424b78fd0d57e53d187f07401a68c8b468d17a5f39a337dacf0'
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#grayskypatch
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'dea86a521603414a8c7bf9cf1f41090d5d6f8035ce31407449e25964befb1e50'
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)
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_kernelname=${pkgbase#linux}
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pkgver() {
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echo $pkgver
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}
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prepare() {
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cd "${_srcname}"
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if [ "${CARCH}" = "x86_64" ]; then
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cat "${srcdir}/config-tkt.x86_64" > ./.config
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else
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echo "Sorry, non x86_64 arch not supported."
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exit 2
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fi
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# don't run depmod on 'make install'. We'll do this ourselves in packaging
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sed -i '2iexit 0' scripts/depmod.sh
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# Implement all packaged patches.
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msg2 "Implementing custom kernel patches"
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while read patch; do
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echo "Applying $patch"
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git apply $patch || exit 2
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done <<< $(ls ../*.patch)
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# get kernel version
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msg2 "Preparing kernel"
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yes "" | make prepare
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# load configuration
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msg2 "Preparing config"
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# Configure the kernel. Replace the line below with one of your choice.
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#make menuconfig # CLI menu for configuration
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#make nconfig # new CLI menu for configuration
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#make xconfig # X-based configuration
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#make oldconfig # using old config from previous kernel version
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make olddefconfig # old config from previous kernel, defaults for new options
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# ... or manually edit .config
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}
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build() {
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cd "${_srcname}"
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#old: Force zenv2 architecture optimisation.
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# Force the local machine instruction subsets (hence the result might not run on different machines)
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export CFLAGS="-march=native -mtune=native -O2 -pipe -fstack-protector-strong"
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export CXXFLAGS="${CFLAGS}"
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make ${MAKEFLAGS} LOCALVERSION= bzImage modules
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}
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_package() {
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pkgdesc="Linux kernel aimed at the native CPU based hardware"
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depends=('coreutils' 'linux-firmware' 'kmod' 'mkinitcpio>=0.7' 'lzop')
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optdepends=('crda: to set the correct wireless channels of your country')
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backup=("etc/mkinitcpio.d/${pkgbase}.preset")
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install=linux.install
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cd "${_srcname}"
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KARCH=x86
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# get kernel version
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_kernver="$(make LOCALVERSION= kernelrelease)"
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_basekernel=${_kernver%%-*}
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_basekernel=${_basekernel%.*}
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mkdir -p "${pkgdir}"/{lib/modules,lib/firmware,boot}
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make LOCALVERSION= INSTALL_MOD_PATH="${pkgdir}" modules_install
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cp arch/$KARCH/boot/bzImage "${pkgdir}/boot/vmlinuz-${pkgbase}"
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# set correct depmod command for install
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cp -f "${startdir}/${install}" "${startdir}/${install}.pkg"
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true && install=${install}.pkg
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sed \
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-e "s/KERNEL_NAME=.*/KERNEL_NAME=${_kernelname}/" \
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-e "s/KERNEL_VERSION=.*/KERNEL_VERSION=${_kernver}/" \
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-i "${startdir}/${install}"
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# install mkinitcpio preset file for kernel
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install -D -m644 "${srcdir}/${pkgbase}.preset" "${pkgdir}/etc/mkinitcpio.d/${pkgbase}.preset"
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sed \
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-e "1s|'linux.*'|'${pkgbase}'|" \
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-e "s|ALL_kver=.*|ALL_kver=\"/boot/vmlinuz-${pkgbase}\"|" \
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-e "s|default_image=.*|default_image=\"/boot/initramfs-${pkgbase}.img\"|" \
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-e "s|fallback_image=.*|fallback_image=\"/boot/initramfs-${pkgbase}-fallback.img\"|" \
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-i "${pkgdir}/etc/mkinitcpio.d/${pkgbase}.preset"
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# remove build and source links
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rm -f "${pkgdir}"/lib/modules/${_kernver}/{source,build}
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# remove the firmware
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rm -rf "${pkgdir}/lib/firmware"
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# make room for external modules
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ln -s "../extramodules-${_basekernel}${_kernelname:--ARCH}" "${pkgdir}/lib/modules/${_kernver}/extramodules"
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# add real version for building modules and running depmod from post_install/upgrade
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mkdir -p "${pkgdir}/lib/modules/extramodules-${_basekernel}${_kernelname:--ARCH}"
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echo "${_kernver}" > "${pkgdir}/lib/modules/extramodules-${_basekernel}${_kernelname:--ARCH}/version"
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# Now we call depmod...
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depmod -b "${pkgdir}" -F System.map "${_kernver}"
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# move module tree /lib -> /usr/lib
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mkdir -p "${pkgdir}/usr"
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mv "${pkgdir}/lib" "${pkgdir}/usr/"
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# add vmlinux
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install -D -m644 vmlinux "${pkgdir}/usr/lib/modules/${_kernver}/build/vmlinux"
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# add vmlinuz in /usr/lib/modules/ and info for correct hook triggers
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cp arch/$KARCH/boot/bzImage "${pkgdir}/usr/lib/modules/${_kernver}/vmlinuz"
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echo ${pkgbase} > "${pkgdir}/usr/lib/modules/${_kernver}/pkgbase"
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# add System.map
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install -D -m644 System.map "${pkgdir}/boot/System.map-${_kernver}"
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}
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_package-headers() {
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pkgdesc="Header files and scripts for building modules for Linux kernel aimed at the local CPU based hardware"
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install -dm755 "${pkgdir}/usr/lib/modules/${_kernver}"
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cd "${_srcname}"
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install -D -m644 Makefile \
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"${pkgdir}/usr/lib/modules/${_kernver}/build/Makefile"
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install -D -m644 kernel/Makefile \
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"${pkgdir}/usr/lib/modules/${_kernver}/build/kernel/Makefile"
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install -D -m644 .config \
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"${pkgdir}/usr/lib/modules/${_kernver}/build/.config"
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mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/include"
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for i in $(ls include/); do
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cp -a include/${i} "${pkgdir}/usr/lib/modules/${_kernver}/build/include/"
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done
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# copy arch includes for external modules
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mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/x86"
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cp -a arch/x86/include "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/x86/"
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# copy files necessary for later builds, like nvidia and vmware
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cp Module.symvers "${pkgdir}/usr/lib/modules/${_kernver}/build"
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cp -a scripts "${pkgdir}/usr/lib/modules/${_kernver}/build"
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# Make tmpdir for versions
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mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/.tmp_versions"
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# add kernel files to headers
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mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/kernel"
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cp arch/${KARCH}/Makefile "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/"
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cp arch/${KARCH}/kernel/asm-offsets.s "${pkgdir}/usr/lib/modules/${_kernver}/build/arch/${KARCH}/kernel/"
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# add dm headers
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mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/md"
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cp drivers/md/*.h "${pkgdir}/usr/lib/modules/${_kernver}/build/drivers/md"
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# add inotify.h
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mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/include/linux"
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cp include/linux/inotify.h "${pkgdir}/usr/lib/modules/${_kernver}/build/include/linux/"
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# add wireless headers
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mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/net/mac80211/"
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cp net/mac80211/*.h "${pkgdir}/usr/lib/modules/${_kernver}/build/net/mac80211/"
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# copy in Kconfig files
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for i in $(find . -name "Kconfig*"); do
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mkdir -p "${pkgdir}"/usr/lib/modules/${_kernver}/build/`echo ${i} | sed 's|/Kconfig.*||'`
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cp ${i} "${pkgdir}/usr/lib/modules/${_kernver}/build/${i}"
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done
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# Fix file conflict with -doc package
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rm "${pkgdir}/usr/lib/modules/${_kernver}/build/Documentation/kbuild"/Kconfig.*-*
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rm "${pkgdir}/usr/lib/modules/${_kernver}/build/Documentation/Kconfig"
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# Add objtool for CONFIG_STACK_VALIDATION
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mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/tools"
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cp -a tools/objtool "${pkgdir}/usr/lib/modules/${_kernver}/build/tools"
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chown -R root.root "${pkgdir}/usr/lib/modules/${_kernver}/build"
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find "${pkgdir}/usr/lib/modules/${_kernver}/build" -type d -exec chmod 755 {} \;
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# strip scripts directory
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find "${pkgdir}/usr/lib/modules/${_kernver}/build/scripts" -type f -perm -u+w 2>/dev/null | while read binary ; do
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case "$(file -bi "${binary}")" in
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*application/x-sharedlib*) # Libraries (.so)
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/usr/bin/strip ${STRIP_SHARED} "${binary}";;
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*application/x-archive*) # Libraries (.a)
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/usr/bin/strip ${STRIP_STATIC} "${binary}";;
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*application/x-executable*) # Binaries
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/usr/bin/strip ${STRIP_BINARIES} "${binary}";;
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esac
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done
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# remove unneeded architectures
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while read modarch; do
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rm -rf $modarch
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done <<< $(find "${pkgdir}"/usr/lib/modules/${_kernver}/build/arch/ -maxdepth 1 -mindepth 1 -type d | grep -v /x86$)
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}
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_package-docs() {
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pkgdesc="Kernel hackers manual - HTML documentation that comes with the Linux kernel"
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cd "${_srcname}"
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mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build"
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cp -al Documentation "${pkgdir}/usr/lib/modules/${_kernver}/build"
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find "${pkgdir}" -type f -exec chmod 444 {} \;
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find "${pkgdir}" -type d -exec chmod 755 {} \;
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# remove a file already in linux package
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rm -f "${pkgdir}/usr/lib/modules/${_kernver}/build/Documentation/DocBook/Makefile"
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}
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pkgname=("${pkgbase}" "${pkgbase}-headers" "${pkgbase}-docs")
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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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