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77 lines
2.2 KiB
Bash
77 lines
2.2 KiB
Bash
# Copyright 2020 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=7
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inherit kernel-build
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MY_P=linux-4.19.94
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GENPATCHES_P=genpatches-${PV%.*}-$(( ${PV##*.} - 1))
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# https://git.archlinux.org/svntogit/packages.git/log/trunk/config?h=packages/linux-lts
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AMD64_CONFIG_VER=4.19.92-arch1
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AMD64_CONFIG_HASH=bf97de6a2e405659aaad4c251b7f0bb48d5ed3c9
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# https://git.archlinux32.org/packages/log/core/linux-lts/config
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I686_CONFIG_VER=4.19.85-arch1
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I686_CONFIG_HASH=1f0345e2983d2edd55b401cb5a87fdf365a4192c
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DESCRIPTION="Linux kernel built with Gentoo patches"
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HOMEPAGE="https://www.kernel.org/"
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SRC_URI+=" https://cdn.kernel.org/pub/linux/kernel/v$(ver_cut 1).x/${MY_P}.tar.xz
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https://dev.gentoo.org/~mpagano/dist/genpatches/${GENPATCHES_P}.base.tar.xz
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https://dev.gentoo.org/~mpagano/dist/genpatches/${GENPATCHES_P}.extras.tar.xz
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amd64? (
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https://git.archlinux.org/svntogit/packages.git/plain/trunk/config?h=packages/linux-lts&id=${AMD64_CONFIG_HASH}
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-> linux-${AMD64_CONFIG_VER}.amd64.config
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)
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x86? (
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https://git.archlinux32.org/packages/plain/core/linux-lts/config?id=${I686_CONFIG_HASH}
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-> linux-${I686_CONFIG_VER}.i686.config
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)"
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S=${WORKDIR}/${MY_P}
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LICENSE="GPL-2"
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KEYWORDS="~amd64 ~x86"
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RDEPEND="
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!sys-kernel/vanilla-kernel:${SLOT}
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!sys-kernel/vanilla-kernel-bin:${SLOT}"
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src_prepare() {
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local PATCHES=(
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# meh, genpatches have no directory
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# (skip most patch release patches, we just fetch newer sources)
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"${WORKDIR}"/109[4-9]*.patch
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"${WORKDIR}"/11*.patch
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"${WORKDIR}"/[2-9]*.patch
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)
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default
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# prepare the default config
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case ${ARCH} in
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amd64)
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cp "${DISTDIR}"/linux-${AMD64_CONFIG_VER}.amd64.config .config || die
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;;
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x86)
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cp "${DISTDIR}"/linux-${I686_CONFIG_VER}.i686.config .config || die
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;;
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*)
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die "Unsupported arch ${ARCH}"
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;;
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esac
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local config_tweaks=(
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# shove arch under the carpet!
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-e 's:^CONFIG_DEFAULT_HOSTNAME=:&"gentoo":'
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# we do support x32
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-e '/CONFIG_X86_X32/s:.*:CONFIG_X86_X32=y:'
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# disable signatures
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-e '/CONFIG_MODULE_SIG/d'
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-e '/CONFIG_SECURITY_LOCKDOWN/d'
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# disable compression to allow stripping
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-e '/CONFIG_MODULE_COMPRESS/d'
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# disable gcc plugins to unbreak distcc
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-e '/CONFIG_GCC_PLUGIN_STRUCTLEAK/d'
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)
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sed -i "${config_tweaks[@]}" .config || die
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}
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