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SUMMARY = "User-space, libgpiod-based compatibility layer for linux GPIO sysfs interface."
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://COPYING;md5=0dcf8b702b5c96178978c7223f64a73b"
inherit systemd update-rc.d ptest pypi python_pep517 python_setuptools_build_meta useradd
PYPI_PACKAGE = "gpiod_sysfs_proxy"
SRC_URI += " \
file://gpiod-sysfs-proxy.service.in \
file://run-gpio-sys.mount \
file://sys-class.mount \
file://gpiod-sysfs-proxy.init.in \
file://run-ptest.in \
"
SRC_URI[sha256sum] = "4bdd4b8a7042f63a40507ae0f16b360011e67cbb2f0276289636487a54849530"
# For full backward compatibility with the kernel sysfs interface, this option
# must be selected. However, we don't make it the default as - with kernel sysfs
# disabled - it plays a silly game with /sys/class, where it mounts a read-only
# overlay containing the missing /sys/class/gpio directory. This is a rather
# non-standard behavior so make sure the user actually wants it.
PACKAGECONFIG[sys-class-mount] = ""
export MOUNTPOINT = "${@bb.utils.contains('PACKAGECONFIG', 'sys-class-mount', '/sys/class/gpio', '/run/gpio', d)}"
do_install:append() {
if ${@bb.utils.contains('DISTRO_FEATURES','systemd','true','false',d)}; then
install -d ${D}${systemd_system_unitdir}
install -m 0644 ${UNPACKDIR}/gpiod-sysfs-proxy.service.in ${D}${systemd_system_unitdir}/gpiod-sysfs-proxy.service
if ${@bb.utils.contains('PACKAGECONFIG', 'sys-class-mount', 'true', 'false', d)}; then
install -d ${D}${systemd_system_unitdir}/sysinit.target.wants/
install -m 0644 ${UNPACKDIR}/run-gpio-sys.mount ${D}${systemd_system_unitdir}/run-gpio-sys.mount
install -m 0644 ${UNPACKDIR}/sys-class.mount ${D}${systemd_system_unitdir}/sys-class.mount
ln -sf ../run-gpio-sys.mount ${D}${systemd_system_unitdir}/sysinit.target.wants/run-gpio-sys.mount
ln -sf ../sys-class.mount ${D}${systemd_system_unitdir}/sysinit.target.wants/sys-class.mount
fi
sed -i "s:@mountpoint@:$MOUNTPOINT:g" ${D}${systemd_system_unitdir}/gpiod-sysfs-proxy.service
elif ${@bb.utils.contains('DISTRO_FEATURES', 'sysvinit', 'true', 'false', d)}; then
install -d ${D}${sysconfdir}/init.d
install -m 0755 ${UNPACKDIR}/gpiod-sysfs-proxy.init.in ${D}${sysconfdir}/init.d/gpiod-sysfs-proxy
sed -i "s:@mountpoint@:$MOUNTPOINT:g" ${D}${sysconfdir}/init.d/gpiod-sysfs-proxy
fi
}
SYSTEMD_SERVICE:${PN} = "gpiod-sysfs-proxy.service"
SYSTEMD_AUTO_ENABLE = "enable"
INITSCRIPT_NAME = "gpiod-sysfs-proxy"
INITSCRIPT_PARAMS = "start 20 2 3 4 5 . stop 20 0 1 6 ."
FILES:${PN} += "/usr/lib/systemd/system"
RDEPENDS:${PN} += " \
python3-fuse \
python3-gpiod \
python3-pyudev \
"
python __anonymous() {
if d.getVar("PTEST_ENABLED") == "1":
d.appendVar("SRC_URI", "git://github.com/brgl/gpio-sysfs-compat-tests;protocol=https;branch=main;destsuffix=tests;name=tests")
d.setVar("SRCREV_tests", "a3c9daa4650dd1e8d7fd8972db68d9c2c204263d")
}
do_install_ptest() {
install -d ${D}${PTEST_PATH}/tests/
install -m 0755 ${UNPACKDIR}/run-ptest.in ${D}${PTEST_PATH}/run-ptest
sed -i "s:@mountpoint@:$MOUNTPOINT:g" ${D}${PTEST_PATH}/run-ptest
install -m 0755 ${UNPACKDIR}/tests/gpio-sysfs-compat-tests ${D}${PTEST_PATH}/tests/gpio-sysfs-compat-tests
}
# Test user is created for verifying chown() and chmod() operations.
USERADD_PACKAGES = "${PN}-ptest"
GROUPADD_PARAM:${PN}-ptest = "--system gpio-test"
USERADD_PARAM:${PN}-ptest = "--system -M -s /bin/nologin -g gpio-test gpio-test"
RDEPENDS:${PN}-ptest += "kmod"
RRECOMMENDS:${PN}-ptest += "kernel-module-gpio-sim kernel-module-configfs"
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