sys-kernel/xanmod-kernel: initial import

Signed-off-by: Alfred Wingate <parona@protonmail.com>

sys-kernel/xanmod-kernel/Manifest

@@ -0,0 +1,6 @@
+DIST genpatches-5.17-7.base.tar.xz 557368 BLAKE2B 7d9668f583167cb46a87a451416a69e1f1042bff745cca1394e83649580f920fd18aa030f558975f9ac4e256f70336ffd3b238616fd58697f9370753d7753d22 SHA512 3164fe7a6907bc7ceaf48dbc474c8d3807aa7499cb2a706995d3c27da89a19b34990d9b981d5d0e583ce23973a9a4dd2ad251d44c1f8d539dfd6e64d93416d28
+DIST genpatches-5.17-7.extras.tar.xz 3796 BLAKE2B 6921f442b3c5a3d1f5d437504668488c96879cfcbbfc096275afccab4664d01a0748b0a72e4bbcc1f1564829eeb8346402a14120d79a7be923cf08c0ecacf385 SHA512 8049dfa5390180a9d0cad7d18ea13cf2620e9883d733d8d5e2a09c11b26e4afd8ae28f81872e7e16bd6107205f0bf17edb475b390384fb4989d688b7b49630ae
+DIST gentoo-kernel-config-g1.tar.gz 4283 BLAKE2B 44dd51ec45ebc71bffcd6d85a2fefba053f7bce8035057f0bbe928e24816ad4ba03c9bf67dcfcd6d6d1833c0a2ea93e0fd486c2093664dc41ccce316e1e60588 SHA512 3a45f28df9d457df0fe0d185da8b10f4e35f49dad75075e041e8cf3cf6972fecc8145cd557b0bf3a8dea20ddffae0194f88e61c1e5098fa0a5ca301d40aeea2e
+DIST kernel-x86_64-fedora.config.5.17.5 219028 BLAKE2B a8a3e2f31315d6aaf19c6771db94a3549379fd48a33b29b00d0311a36325ba8e9f124b5962a447aa8bf63b01f714298f4fca7ff071db165f183ce9023e2b4cf2 SHA512 8c7937310b8e9cbaefe4d6910595df373edfea5a56e439671583c98a752eb5d9029bcb32178ea6b09e6847e55e71dd9ab94e0adb149626ce04c8a9e8f6d7a145
+DIST linux-5.17.tar.xz 128399340 BLAKE2B 82dc4a45cc25c781ac67aa6ed1e4c369544154960f41c4634d47621f381159687a227054976d078524cda28884d395a15f7542fe44ca74ce98ca6ff54a81d6d0 SHA512 89f0a7ca69d20a539d4b612a7028a30a5e98b402e4b6b88516f14237e5da4b626d7929eab8b40fccc90766e8f3bae87e9858a19077ffad20d8204acf18794f5b
+DIST patch-5.17.5-xanmod1.xz 745504 BLAKE2B 2c17607c0eab5afa0266b1272785cb57b83628f3860ab391766f5068514526ad009892ecaef7157f328669d5b3acea5527f3bafb44d0e67f573a83a47a41fbab SHA512 7d6df43d8a7e11e287b22b80355465d8f24fabf42d6f3cd41567cfa98489b40d6a336c392453961c85f85161532df5781f5422a1b8922500e2441c62f7062058

sys-kernel/xanmod-kernel/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<use>
+		<flag name="hardened">Use selection of hardening options recommended by Kernel Self Protection Project</flag>
+		<flag name="initramfs">Build initramfs along with the kernel.</flag>
+	</use>
+</pkgmetadata>

sys-kernel/xanmod-kernel/xanmod-kernel-5.17.5.ebuild

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+# Copyright 2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit kernel-build toolchain-funcs
+
+MY_P=linux-${PV%.*}
+# https://dev.gentoo.org/~mpagano/genpatches/index.html
+GENPATCHES_P=genpatches-${PV%.*}-$(( ${PV##*.} + 2 ))
+CONFIG_VER=5.17.5
+# Commit hash from https://src.fedoraproject.org/rpms/kernel
+CONFIG_HASH=f20aa9d1023a1912c5ef522d47b7deab27fae207
+# Tag from https://github.com/mgorny/gentoo-kernel-config
+GENTOO_CONFIG_VER=g1
+
+DESCRIPTION="Linux kernel built with XanMod and Gentoo patches"
+HOMEPAGE="https://www.kernel.org/ https://xanmod.org/"
+SRC_URI+="
+	https://cdn.kernel.org/pub/linux/kernel/v$(ver_cut 1).x/${MY_P}.tar.xz
+	https://github.com/xanmod/linux/releases/download/${PV}-xanmod1/patch-${PV}-xanmod1.xz
+	https://dev.gentoo.org/~mpagano/dist/genpatches/${GENPATCHES_P}.base.tar.xz
+	https://dev.gentoo.org/~mpagano/dist/genpatches/${GENPATCHES_P}.extras.tar.xz
+	https://github.com/mgorny/gentoo-kernel-config/archive/${GENTOO_CONFIG_VER}.tar.gz
+		-> gentoo-kernel-config-${GENTOO_CONFIG_VER}.tar.gz
+	amd64? (
+		https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-x86_64-fedora.config
+			-> kernel-x86_64-fedora.config.${CONFIG_VER}
+	)
+"
+S=${WORKDIR}/${MY_P}
+
+LICENSE="GPL-2"
+KEYWORDS="-* ~amd64"
+IUSE="debug hardened"
+
+RDEPEND="
+	!sys-kernel/xanmod-kernel-bin:${SLOT}
+"
+BDEPEND="
+	debug? ( dev-util/pahole )
+"
+PDEPEND="
+	>=virtual/dist-kernel-${PV}
+"
+
+QA_FLAGS_IGNORED="
+	usr/src/linux-.*/scripts/gcc-plugins/.*.so
+	usr/src/linux-.*/vmlinux
+"
+
+src_prepare() {
+	# Remove linux-stable patches (see 0000_README)
+	find "${WORKDIR}" -maxdepth 1 -name "1[0-4][0-9][0-9]*.patch" | xargs rm || die
+
+	local PATCHES=(
+		# meh, genpatches have no directory
+		"${WORKDIR}"/*.patch
+		"${WORKDIR}"/patch-${PV}-xanmod1
+	)
+	default
+
+	# prepare the default config
+	case ${ARCH} in
+		amd64)
+			cp "${DISTDIR}/kernel-x86_64-fedora.config.${CONFIG_VER}" .config || die
+			;;
+		*)
+			die "Unsupported arch ${ARCH}"
+			;;
+	esac
+
+	rm "${S}/localversion" || die
+	local myversion="-xanmod1-dist"
+	use hardened && myversion+="-hardened"
+	echo "CONFIG_LOCALVERSION=\"${myversion}\"" > "${T}"/version.config || die
+	local dist_conf_path="${WORKDIR}/gentoo-kernel-config-${GENTOO_CONFIG_VER}"
+
+	local merge_configs=(
+		"${T}"/version.config
+		"${dist_conf_path}"/base.config
+	)
+	use debug || merge_configs+=(
+		"${dist_conf_path}"/no-debug.config
+	)
+	if use hardened; then
+		merge_configs+=( "${dist_conf_path}"/hardened-base.config )
+
+		tc-is-gcc && merge_configs+=( "${dist_conf_path}"/hardened-gcc-plugins.config )
+
+		if [[ -f "${dist_conf_path}/hardened-${ARCH}.config" ]]; then
+			merge_configs+=( "${dist_conf_path}/hardened-${ARCH}.config" )
+		fi
+	fi
+
+	kernel-build_merge_configs "${merge_configs[@]}"
+}