wlroots-0.16.2-r1.ebuild

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# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

inherit meson

DESCRIPTION="Pluggable, composable, unopinionated modules for building a Wayland compositor"
HOMEPAGE="https://gitlab.freedesktop.org/wlroots/wlroots"

if [[ ${PV} == 9999 ]]; then
	EGIT_REPO_URI="https://gitlab.freedesktop.org/${PN}/${PN}.git"
	inherit git-r3
	SLOT="0/9999"
else
	SRC_URI="https://gitlab.freedesktop.org/${PN}/${PN}/-/archive/${PV}/${P}.tar.gz"
	KEYWORDS="amd64 arm64 ~loong ~ppc64 ~riscv x86"
	SLOT="0/$(ver_cut 2)"
fi

LICENSE="MIT"
IUSE="+drm +libinput tinywl vulkan x11-backend X"

DEPEND="
	>=dev-libs/wayland-1.21.0
	>=dev-libs/wayland-protocols-1.28
	drm? ( sys-apps/hwdata:= )
	libinput? ( >=dev-libs/libinput-1.14.0:0= )
	media-libs/mesa[egl(+),gles2]
	sys-auth/seatd:=
	virtual/libudev
	vulkan? (
		dev-util/glslang:0=
		dev-util/vulkan-headers:0=
		media-libs/vulkan-loader:0=
	)
	>=x11-libs/libdrm-2.4.114:0=
	x11-libs/libxkbcommon
	>=x11-libs/pixman-0.42.0:0=
	x11-backend? ( x11-libs/libxcb:0= )
	X? (
		x11-base/xwayland
		x11-libs/libxcb:0=
		x11-libs/xcb-util-image
		x11-libs/xcb-util-renderutil
		x11-libs/xcb-util-wm
	)
"
RDEPEND="
	${DEPEND}
"
BDEPEND="
	>=dev-libs/wayland-protocols-1.24
	>=dev-util/meson-0.60.0
	dev-util/wayland-scanner
	virtual/pkgconfig
"

src_configure() {
	local backends=(
		$(usev drm)
		$(usev libinput)
		$(usev x11-backend 'x11')
	)
	# Separate values with a comma with this evil floating point bit hack
	local meson_backends=$(IFS=','; echo "${backends[*]}")
	# xcb-util-errors is not on Gentoo Repository (and upstream seems inactive?)
	local emesonargs=(
		"-Dxcb-errors=disabled"
		$(meson_use tinywl examples)
		-Drenderers=$(usex vulkan 'gles2,vulkan' gles2)
		$(meson_feature X xwayland)
		-Dbackends=${meson_backends}
	)

	meson_src_configure
}

src_install() {
	meson_src_install

	if use tinywl; then
		dobin "${BUILD_DIR}"/tinywl/tinywl
	fi
}

pkg_postinst() {
	elog "You must be in the input group to allow your compositor"
	elog "to access input devices via libinput."
}

Thank you!