sys-kernel/kpatch: add live ebuild

Package-Manager: Portage-2.3.6, Repoman-2.3.1

1 files changed, 77 insertions, 0 deletions

diff --git a/sys-kernel/kpatch/kpatch-9999.ebuild b/sys-kernel/kpatch/kpatch-9999.ebuild
new file mode 100644
index 000000000000..0d6aa6e706a4
--- /dev/null
+++ b/sys-kernel/kpatch/kpatch-9999.ebuild
@@ -0,0 +1,77 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="6"
+
+inherit linux-info linux-mod flag-o-matic
+
+if [[ "${PV}" == "9999" ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/dynup/${PN}.git"
+else
+	SRC_URI="https://github.com/dynup/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="~amd64"
+fi
+
+DESCRIPTION="Dynamic kernel patching for Linux"
+HOMEPAGE="https://github.com/dynup/kpatch"
+
+LICENSE="GPL-2+"
+SLOT="0"
+IUSE="examples +modules test"
+
+RDEPEND="
+	app-crypt/pesign
+	dev-libs/openssl:0=
+	sys-libs/zlib
+	sys-apps/pciutils
+"
+
+DEPEND="
+	${RDEPEND}
+	test? ( dev-util/shellcheck )
+	dev-libs/elfutils
+	sys-devel/bison
+"
+
+pkg_pretend() {
+	if kernel_is gt 3 9 0; then
+		if ! linux_config_exists; then
+			eerror "Unable to check the currently running kernel for kpatch support"
+			eerror "Please be sure a .config file is available in the kernel src dir"
+			eerror "and ensure the kernel has been built."
+		else
+			# Fail to build if these kernel options are not enabled (see kpatch/kmod/core/Makefile)
+			CONFIG_CHECK="FUNCTION_TRACER HAVE_FENTRY MODULES SYSFS KALLSYMS_ALL"
+			ERROR_FUNCTION_TRACER="CONFIG_FUNCTION_TRACER must be enabled in the kernel's config file"
+			ERROR_HAVE_FENTRY="CONFIG_HAVE_FENTRY must be enabled in the kernel's config file"
+			ERROR_MODULES="CONFIG_MODULES must be enabled in the kernel's config file"
+			ERROR_SYSFS="CONFIG_SYSFS must be enabled in the kernel's config file"
+			ERROR_KALLSYMS_ALL="CONFIG_KALLSYMS_ALL must be enabled in the kernel's config file"
+		fi
+	else
+		eerror
+		eerror "kpatch is not available for Linux kernels below 4.0.0"
+		eerror
+		die "Upgrade the kernel sources before installing kpatch."
+	fi
+
+	check_extra_config
+}
+
+src_prepare() {
+	replace-flags '-O?' '-O1'
+	default
+}
+
+src_compile() {
+	set_arch_to_kernel
+	emake all
+}
+
+src_install() {
+	set_arch_to_kernel
+	emake DESTDIR="${D}" PREFIX="/usr" install
+
+	einstalldocs
+}