gentoo/media-libs/libv4l/libv4l-1.30.1.ebuild
James Le Cuirot f1cc0165c9
media-libs/libv4l: Fix building with sys-devel/bpf-toolchain[-bin-symlinks]
Closes: https://bugs.gentoo.org/965090
Signed-off-by: James Le Cuirot <chewi@gentoo.org>
2025-10-26 23:05:55 +00:00

158 lines
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# Copyright 1999-2025 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit eapi9-ver linux-info meson-multilib systemd udev xdg
MY_P="v4l-utils-${PV}"
DESCRIPTION="v4l-utils libraries and optional utilities"
HOMEPAGE="https://git.linuxtv.org/v4l-utils.git"
SRC_URI="https://linuxtv.org/downloads/v4l-utils/${MY_P}.tar.xz"
S="${WORKDIR}/${MY_P}"
LICENSE="LGPL-2.1+ utils? ( MIT || ( BSD GPL-2 ) )"
SLOT="0/0"
KEYWORDS="~alpha amd64 arm arm64 ~hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 ~sparc x86 ~amd64-linux ~x86-linux"
IUSE="bpf doc dvb jpeg qt6 tracer +utils"
REQUIRED_USE="
bpf? ( utils )
qt6? ( utils )
tracer? ( utils )
"
RDEPEND="
!<media-tv/v4l-utils-1.26
dvb? ( virtual/libudev[${MULTILIB_USEDEP}] )
jpeg? ( media-libs/libjpeg-turbo:=[${MULTILIB_USEDEP}] )
utils? (
virtual/libudev
!sys-apps/edid-decode
!elibc_glibc? (
sys-libs/argp-standalone
)
bpf? (
dev-libs/libbpf:=
virtual/libelf:=
)
qt6? (
dev-qt/qtbase:6[gui,opengl,widgets,-gles2-only]
dev-qt/qt5compat:6
media-libs/alsa-lib
virtual/opengl
)
tracer? (
dev-libs/json-c:=
)
)
"
DEPEND="
${RDEPEND}
"
BDEPEND="
sys-devel/gettext
virtual/pkgconfig
bpf? ( || (
sys-devel/bpf-toolchain
llvm-core/clang:*[llvm_targets_BPF]
) )
doc? ( app-text/doxygen )
utils? (
dev-lang/perl
qt6? ( dev-qt/qtbase:6 )
)
"
PATCHES=(
"${FILESDIR}"/${P}-cpp-fallthrough.patch
"${FILESDIR}"/${PN}-bpf-toolchain.patch
)
# Not really prebuilt but BPF objects make our QA checks go crazy.
QA_PREBUILT="*/rc_keymaps/protocols/*.o"
# This is intended to be preloaded.
QA_SONAME=".*/libv4l2tracer\.so"
check_llvm() {
if [[ ${MERGE_TYPE} != binary ]] && use bpf &&
! has_version -b sys-devel/bpf-toolchain && has_version -b llvm-core/clang; then
clang -target bpf -print-supported-cpus &>/dev/null ||
die "clang does not support the BPF target. Please check LLVM_TARGETS."
fi
}
pkg_pretend() {
check_llvm
}
pkg_setup() {
check_llvm
CONFIG_CHECK="~SHMEM" linux-info_pkg_setup
}
src_prepare() {
default
use qt6 || sed -i "/^dep_qt6/s/'qt6/&DiSaBlEd/" meson.build || die
}
multilib_src_configure() {
local emesonargs=(
$(meson_native_use_feature bpf)
-Dgconv=disabled
$(meson_feature jpeg)
$(meson_feature dvb libdvbv5)
$(meson_native_use_feature tracer v4l2-tracer)
$(meson_native_use_bool utils v4l-utils)
-Ddocdir="${EPREFIX}/usr/share/doc/${PF}"
-Dsystemdsystemunitdir="$(systemd_get_systemunitdir)"
-Dudevdir="${EPREFIX}$(get_udevdir)"
$(meson_native_use_feature doc doxygen-doc)
$(meson_native_use_bool doc doxygen-html)
$(meson_native_use_bool doc doxygen-man)
)
if multilib_is_native_abi && use qt6; then
emesonargs+=(
-Dqv4l2=enabled
-Dqvidcap=enabled
)
else
emesonargs+=(
-Dqv4l2=disabled
-Dqvidcap=disabled
)
fi
PATH+=":${BROOT}/usr/lib/bpf-toolchain/bin" meson_src_configure
}
multilib_src_install_all() {
dodoc ChangeLog README.lib* TODO
if use utils; then
dodoc README.md
newdoc utils/dvb/README README.dvb
newdoc utils/libv4l2util/TODO TODO.libv4l2util
newdoc utils/libmedia_dev/README README.libmedia_dev
newdoc utils/v4l2-compliance/fixme.txt fixme.txt.v4l2-compliance
fi
}
pkg_postinst() {
xdg_pkg_postinst
use utils && udev_reload
if use utils && ver_replacing -lt 1.20.0; then
ewarn "WARNING! ir-keytable has changed significantly from version 1.20.0 so"
ewarn "you may need to take action to avoid breakage. See"
ewarn "https://bugs.gentoo.org/767175 for more details."
fi
}
pkg_postrm() {
xdg_pkg_postrm
use utils && udev_reload
}