app-emulation/kvmtool/kvmtool-9999.ebuild


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# Distributed under the terms of the GNU General Public License v2
# adapted from https://data.gpo.zugaina.org/defiance/app-emulation/kvmtool/kvmtool-9999.ebuild

EAPI=8

inherit git-r3 linux-info

DESCRIPTION="A lightweight tool for hosting KVM guests"
HOMEPAGE="https://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git/"

LICENSE="GPL-2"
SLOT="0"
IUSE=""

DEPEND="riscv? ( sys-apps/dtc )"
BDEPEND="${DEPEND}"
RDEPEND="${DEPEND}"

function ctarget() {
	CTARGET="${ARCH}"
	use amd64 && CTARGET='x86_64'
	echo $CTARGET
}

CONFIG_CHECK="
	SERIAL_8250 SERIAL_8250_CONSOLE
	VIRTIO VIRTIO_PCI
	VIRTIO_RING VIRTIO_PCI
	VIRTIO_BLK VIRTIO_NET
	~VIRTIO_BALLOON
	~VIRTIO_CONSOLE
	~HW_RANDOM_VIRTIO
	~FB_VESA
"

pkg_pretend() {
	if use kernel_linux && kernel_is lt 2 6 25; then
		eerror "This version of KVM requires a host kernel of 2.6.25 or higher."
	elif use kernel_linux; then
		if ! linux_config_exists; then
			eerror "Unable to check your kernel for KVM support"
		else
			check_extra_config
		fi
	fi
}

src_unpack() {
	if use riscv ; then
		EGIT_REPO_URI="https://github.com/kvm-riscv/kvmtool.git"
	else
		EGIT_REPO_URI="https://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git"
	fi
	git-r3_src_unpack
}

src_prepare() {
	eapply_user
	sed -e 's/^CFLAGS\t:=/CFLAGS := $(CFLAGS)/' \
		-e 's/^LDFLAGS\t:=/LDFLAGS := $(LDFLAGS)/' -i Makefile
}

src_compile() {
	V=1 ARCH=$(ctarget) emake
}

src_install() {
	dobin lkvm vm || die
	dodoc COPYING README Documentation/virtio-console.txt || die
	doman Documentation/${PN}.1
}