From ebbe9c4dd082ff4a7dadf91c7f5d2e27f780ff4c Mon Sep 17 00:00:00 2001
From: projectmoon <projectmoon@agnos.is>
Date: Sat, 25 Dec 2021 20:21:53 -0500
Subject: [PATCH] libre kernel based on vanilla kernel ebuild

---
 sys-kernel/libre-kernel/Manifest              |   1 +
 .../libre-kernel/libre-kernel-5.10.88.ebuild  | 119 ++++++++++++++++++
 2 files changed, 120 insertions(+)
 create mode 100644 sys-kernel/libre-kernel/libre-kernel-5.10.88.ebuild

diff --git a/sys-kernel/libre-kernel/Manifest b/sys-kernel/libre-kernel/Manifest
index f5a8b52..26a182d 100644
--- a/sys-kernel/libre-kernel/Manifest
+++ b/sys-kernel/libre-kernel/Manifest
@@ -1,4 +1,5 @@
 DIST gentoo-kernel-config-5.10.42.tar.gz 3992 BLAKE2B b04f585ccc823c25baafea011a5df9e4ed79f5537fb0c47726bb54d3f6197627b078a6f8510707a68edd9308f7ede84ca3f9bff78e64e06c9ea3d53db496c10f SHA512 5d42e1ac694441acb8ea13fa3e80615bd18f0932a37f50c3d34c8c2f95ef4dfa6541407ddcad802b4fb13468e0e85d8cd09ac37d3612260f9a81d081cb4b6713
+DIST gentoo-kernel-config-5.15.5.tar.gz 4128 BLAKE2B e30fff372b0112cc05723463cb4e93de79b5b643483796402eb88a7e704706a4033af2dbab9424cf14b1d894b57fc053b969f5fbfa15cf74e30e3d045703918f SHA512 5e8c6945da5e9cfb8d20663910fc38ee36813067e1679e17bbf1dfc6fc0aa9125f1fc949d81937b297215925004e0ebfb3b55c7e707184b5ffcf23d28882113d
 DIST kernel-aarch64-fedora.config.5.10.12 223184 BLAKE2B a0246dac2f7a4ad6a55b611538d24382ac87a8960077811a859c9595ac67f961b4bccb7e139a89abc7c0e26e80832da5c94211fc658082f2e7dde984f14dd29d SHA512 7d803b347b136331db1ad6e22e0445fe0224c3e26cd7c034cbe9794915d457b492e05f77664865079874ec001351553652646e2e08d0fee31e30b841b0008f52
 DIST kernel-i686-fedora.config.5.10.12 205412 BLAKE2B 92c715b7e2cd7dd74da7970c05981f520597d3e403ce82c8cf4eee31c9f1f50b638792a6bdb256ef5bfdc99f1bcd594e819e8f44dc6febb2ad9a854bad817f2b SHA512 69d8db11723ae1b40fdedfaace74d15bb63198cdb0485e0a1e5eba95b31217110c93a93e39cc7370cf45f1d3a8bc7f75ec096d6db5ea9ecb28ac6b56702ebb10
 DIST kernel-ppc64le-fedora.config.5.10.12 192105 BLAKE2B 889141debb0656a358a3381bae14b5216b982acdfce0bc758f9445c16647807a68a788fb290199c2a1a23627bda1ef4c9405b3f5ac2a4176d1d2b55c71fb7db9 SHA512 3ab0f1401d9f50a61477c71369dede438f575d9d2c3a2f5c2cf36d624c2b59a938efca9c981b075511b3860c983eaaf5e5a9f877d659277f09ceba45edd43770
diff --git a/sys-kernel/libre-kernel/libre-kernel-5.10.88.ebuild b/sys-kernel/libre-kernel/libre-kernel-5.10.88.ebuild
new file mode 100644
index 0000000..231f082
--- /dev/null
+++ b/sys-kernel/libre-kernel/libre-kernel-5.10.88.ebuild
@@ -0,0 +1,119 @@
+# Copyright 2020-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit kernel-build toolchain-funcs verify-sig
+
+BASE_VER="$(ver_cut 1).$(ver_cut 2)"
+RESTRICT="mirror"
+# https://koji.fedoraproject.org/koji/packageinfo?packageID=8
+CONFIG_VER=5.10.12
+CONFIG_HASH=836165dd2dff34e4f2c47ca8f9c803002c1e6530
+GENTOO_CONFIG_VER=5.15.5
+
+DESCRIPTION="Linux kernel built from vanilla upstream sources"
+HOMEPAGE="https://www.kernel.org/"
+SRC_URI+="
+	https://linux-libre.fsfla.org/pub/linux-libre/releases/${BASE_VER}-gnu1/linux-libre-${BASE_VER}-gnu1.tar.xz
+	https://github.com/mgorny/gentoo-kernel-config/archive/v${GENTOO_CONFIG_VER}.tar.gz
+		-> gentoo-kernel-config-${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}
+	)
+	arm64? (
+		https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-aarch64-fedora.config
+			-> kernel-aarch64-fedora.config.${CONFIG_VER}
+	)
+	ppc64? (
+		https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-ppc64le-fedora.config
+			-> kernel-ppc64le-fedora.config.${CONFIG_VER}
+	)
+	x86? (
+		https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-i686-fedora.config
+			-> kernel-i686-fedora.config.${CONFIG_VER}
+	)"
+
+# Set workdir to full package version, as linux-libre has only the base
+# version (eg. 5.10 for 5.10.88) as the source folder.
+MY_P=linux-${PV%.*}
+S=${WORKDIR}/${MY_P}
+
+LICENSE="GPL-2"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~x86"
+IUSE="debug hardened"
+REQUIRED_USE="arm? ( savedconfig )"
+
+BDEPEND="
+	debug? ( dev-util/pahole )"
+PDEPEND="
+	>=virtual/dist-kernel-${PV}"
+
+src_unpack() {
+	default
+}
+
+src_prepare() {
+	default
+
+	local biendian=false
+
+	# prepare the default config
+	case ${ARCH} in
+		amd64)
+			cp "${DISTDIR}/kernel-x86_64-fedora.config.${CONFIG_VER}" .config || die
+			;;
+		arm)
+			return
+			;;
+		arm64)
+			cp "${DISTDIR}/kernel-aarch64-fedora.config.${CONFIG_VER}" .config || die
+			biendian=true
+			;;
+		ppc)
+			# assume powermac/powerbook defconfig
+			# we still package.use.force savedconfig
+			cp "${WORKDIR}"/linux-*/arch/powerpc/configs/pmac32_defconfig .config || die
+			;;
+		ppc64)
+			cp "${DISTDIR}/kernel-ppc64le-fedora.config.${CONFIG_VER}" .config || die
+			biendian=true
+			;;
+		x86)
+			cp "${DISTDIR}/kernel-i686-fedora.config.${CONFIG_VER}" .config || die
+			;;
+		*)
+			die "Unsupported arch ${ARCH}"
+			;;
+	esac
+
+	local myversion="-dist"
+	use hardened && myversion+="-hardened"
+	echo "CONFIG_LOCALVERSION=\"${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
+
+	# this covers ppc64 and aarch64_be only for now
+	if [[ ${biendian} == true && $(tc-endian) == big ]]; then
+		merge_configs+=( "${dist_conf_path}/big-endian.config" )
+	fi
+
+	kernel-build_merge_configs "${merge_configs[@]}"
+}