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

EAPI=8

inherit cmake flag-o-matic linux-info udev

DESCRIPTION="turns FL2000-based USB 3.0 to VGA adapters into low cost DACs"
HOMEPAGE="https://osmocom.org/projects/osmo-fl2k/wiki"

if [[ ${PV} == "9999" ]]; then
	inherit git-r3
	EGIT_REPO_URI="https://gitea.osmocom.org/sdr/osmo-fl2k"
else
	KEYWORDS="~amd64"
	SRC_URI="https://gitea.osmocom.org/sdr/osmo-fl2k/archive/v${PV}.tar.gz -> ${P}.tar.gz"
	S="${WORKDIR}/${PN}"
fi

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

IUSE="udev"

DEPEND="virtual/libusb:1"
RDEPEND="${DEPEND}
		media-sound/sox
		sys-apps/pv"

# continguous memory allocator can optionally be used for zero-copy transfer
# TODO: tell users to set CONFIG_CMA_SIZE_MBYTES or boot with cma=... parameter
CONFIG_CHECK="~CMA ~DMA_CMA"

src_configure() {
	# udev rules use wrong filename and would go to wrong directory anyway
	local mycmakeargs=(
		-DLIB_INSTALL_DIR="/usr/$(get_libdir)"
		-DINSTALL_UDEV_RULES=OFF
	)
	#https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49653
	replace-flags -O0 -O2
	replace-flags -Os -O2
	cmake_src_configure
}

src_install() {
	if use udev; then
		udev_newrules ${PN}.rules 99-${PN}.rules
	fi
	cmake_src_install
	# https://bugs.gentoo.org/727984
	# No obvious way to prevent build
	find "${ED}" -name libosmo-fl2k.a -delete
}

pkg_postinst() {
	udev_reload
}

pkg_postrm() {
	udev_reload
}