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# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit autotools linux-info udev
DESCRIPTION="Program for querying and changing monitor settings"
HOMEPAGE="https://www.ddcutil.com/"
SRC_URI="https://github.com/rockowitz/ddcutil/archive/v${PV}.tar.gz -> ${P}.tar.gz"
SLOT="0/4"
LICENSE="GPL-2"
KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~riscv ~x86"
IUSE="drm introspection usb-monitor user-permissions video_cards_nvidia X"
REQUIRED_USE="drm? ( X )"
RDEPEND="
dev-libs/glib:2
sys-apps/i2c-tools
virtual/udev
drm? ( x11-libs/libdrm )
introspection? ( >=dev-libs/gobject-introspection-1.54.0:= )
usb-monitor? (
dev-libs/hidapi
virtual/libusb:1
sys-apps/usbutils
)
user-permissions? (
acct-group/i2c
usb-monitor? ( acct-group/video )
)
X? (
x11-libs/libXrandr
x11-libs/libX11
)
"
DEPEND="${RDEPEND}"
BDEPEND="virtual/pkgconfig"
pkg_pretend() {
# This program needs /dev/ic2-* devices to communicate with the monitor.
CONFIG_CHECK="~I2C_CHARDEV"
ERROR_I2C_CHARDEV="You must enable I2C_CHARDEV in your kernel to continue"
if use usb-monitor; then
CONFIG_CHECK+=" ~HIDRAW ~USB_HIDDEV"
ERROR_HIDRAW="HIDRAW is needed to support USB monitors"
ERROR_I2C_CHARDEV="USB_HIDDEV is needed to support USB monitors"
fi
# Now do the actual checks setup above
check_extra_config
}
src_prepare() {
default
eautoreconf
}
src_configure() {
local myeconfargs=(
$(use_enable drm)
$(use_enable usb-monitor usb)
$(use_enable X x11)
--enable-lib
$(use_enable introspection)
)
econf "${myeconfargs[@]}"
}
src_install() {
default
if use user-permissions; then
udev_dorules data/etc/udev/rules.d/45-ddcutil-i2c.rules
if use usb-monitor; then
udev_dorules data/etc/udev/rules.d/45-ddcutil-usb.rules
fi
fi
}
pkg_postinst() {
if use user-permissions; then
einfo "To allow non-root users access to the /dev/i2c-* devices, add those"
einfo "users to the i2c group: usermod -aG i2c user"
einfo "Restart the computer or reload the i2c-dev module to activate"
einfo "the new udev rule."
einfo "For more information read: http://www.ddcutil.com/i2c_permissions/"
if use usb-monitor; then
einfo "To allow non-root users access to USB monitors, add those users"
einfo "to the video group: usermod -aG video user"
einfo "Restart the computer, reload the hiddev and hidraw modules, or replug"
einfo "the monitor to activate the new udev rule."
einfo "For more information read: http://www.ddcutil.com/usb/"
fi
udev_reload
fi
if use video_cards_nvidia; then
ewarn "Please read the following webpage on proper usage with the nVidia "
ewarn "binary drivers, or it may not work: http://www.ddcutil.com/nvidia/"
fi
}
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