app-misc/opentrack: add 2026.1.0_p20260208

Add a snapshot release because older versions do not work:
- 2024.1.1 no longer builds with QT 6.10
- 2026.1.0 does not build and does not run either

The live version builds and work fine.

There is talk of a future 2026.2.0 upstream:
https://github.com/opentrack/opentrack/issues/2133

Signed-off-by: Viorel Munteanu <ceamac@gentoo.org>

app-misc/opentrack/Manifest

@@ -1,2 +1,3 @@
 DIST Fusion-1.2.11.tar.gz 447980 BLAKE2B c0d1eb566093040483fa808990186f1921b60f700cc10452b92487e3e992d8894e948d2a06cb4dfe7f12d350e19ec11d1abbbf758dac24fa2f2986d91a95cfa0 SHA512 f6c4177779bb8e40d48a75d42e7c98ba8440aeb6ee7be470722e81a484583f8cdcda9ec4723cbd3732ba55c42173042a57fd2e5d25cbee754e3922f7a5401988
 DIST opentrack-2024.1.1_p20250620.tar.gz 85305012 BLAKE2B 757ac05d72ce783428c119ac4409f593889de3245c18c5a9b31808823004be548785748c1b838dcbfffa3d56b6562963fed5f66c32b9e608a5585d283db0525e SHA512 9f50142ee665c067ef7cff733809d8c0abad702af6345bcc9bfc8c298412eccae1c34426d4e22ec69043acbcb1df08843140cd0707124d56bb22805fda96a8c0
+DIST opentrack-2026.1.0_p20260208.tar.gz 141966025 BLAKE2B a45922397b5d5eaf6388a5ca91cbe04a6d9cd960531a555e7d859ba6bfbb85117424d8941e4f87a4a480c0fb7b3c2988873bb01e08e2b1518eccda1c5a73df66 SHA512 35e38b06141e04eaf40281a765411284b78f07c2f303c74fce6826319608d333446a5a766a2b6499c5075f4144beeb997f87cfd6ef448c906f05d922e80178d1

app-misc/opentrack/opentrack-2026.1.0_p20260208.ebuild

@@ -0,0 +1,102 @@
+# Copyright 2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake desktop flag-o-matic toolchain-funcs
+
+DESCRIPTION="Head tracking software for MS Windows, Linux, and Apple OSX"
+HOMEPAGE="https://github.com/opentrack/opentrack"
+
+FUSION_PV="1.2.11"
+
+if [[ ${PV} == 9999 ]] ; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/opentrack/opentrack.git"
+else
+	COMMIT=2d3ab7a61d2514ce51c9656908d33465a788763e
+	SRC_URI="https://github.com/opentrack/opentrack/archive/${COMMIT}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="~amd64"
+	S="${WORKDIR}/opentrack-${COMMIT}"
+fi
+SRC_URI+=" https://github.com/xioTechnologies/Fusion/archive/v${FUSION_PV}.tar.gz -> Fusion-${FUSION_PV}.tar.gz"
+
+LICENSE="ISC MIT"
+SLOT="0"
+IUSE="neuralnet opencv openmp wine"
+REQUIRED_USE="neuralnet? ( openmp opencv )"
+
+DEPEND="
+	dev-libs/libevdev
+	dev-libs/libusb:1
+	dev-qt/qtbase:6[gui,network,widgets]
+	sys-process/procps:=
+	x11-libs/libX11
+	neuralnet? ( sci-libs/onnxruntime-bin )
+	opencv? ( media-libs/opencv:= )
+	wine? ( virtual/wine )
+"
+RDEPEND="${DEPEND}"
+
+pkg_pretend() {
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+}
+
+pkg_setup() {
+	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
+}
+
+src_prepare() {
+	# work around hard-coded docs path
+	sed -e 's#share/doc/opentrack#share/doc/'${PF}'#g' \
+		-i cmake/*.cmake || die
+
+	cmake_src_prepare
+}
+
+src_unpack() {
+	if [[ ${PV} == 9999 ]]; then
+		git-r3_src_unpack
+	else
+		unpack ${P}.tar.gz
+	fi
+	unpack Fusion-${FUSION_PV}.tar.gz
+}
+
+src_configure() {
+	use openmp && append-cxxflags -fopenmp && append-ldflags -fopenmp
+
+	local mycmakeargs=(
+		$(cmake_use_find_package neuralnet ONNXRuntime)
+		$(cmake_use_find_package opencv OpenCV)
+		$(cmake_use_find_package openmp OpenMP)
+
+		# disconnect the build from external Fusion sources
+		-DFETCHCONTENT_SOURCE_DIR_AHRSFUSION="${WORKDIR}/Fusion-${FUSION_PV}"
+	)
+
+	# opentrack overwrites emerge cflags unconditionally: we can prevent
+	# that by pretending they've already been set
+	mycmakeargs+=(
+		-D__otr_compile_flags_set=TRUE
+	)
+
+	# HACK: "/opt/opentrack" allows its wine components to be visible in
+	# Valve's pressure-vessel which replaces /usr with the container runtime
+	use wine && mycmakeargs+=(
+		-DCMAKE_INSTALL_PREFIX=/opt/opentrack
+		-DOPENTRACK_WINE_ARCH="-m64"
+		-DSDK_WINE=$(usex wine ON OFF)
+	)
+
+	cmake_src_configure
+}
+
+src_install() {
+	cmake_src_install
+
+	use wine && dosym -r /opt/opentrack/bin/opentrack /usr/bin/opentrack
+
+	newicon gui/images/opentrack.png opentrack.png
+	make_desktop_entry /usr/bin/opentrack OpenTrack /usr/share/pixmaps/opentrack.png Utility
+}