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SUMMARY = "Tiny versions of many common UNIX utilities in a single small executable."
DESCRIPTION = "BusyBox combines tiny versions of many common UNIX utilities into a single small executable. It provides minimalist replacements for most of the utilities you usually find in GNU fileutils, shellutils, etc. The utilities in BusyBox generally have fewer options than their full-featured GNU cousins; however, the options that are included provide the expected functionality and behave very much like their GNU counterparts. BusyBox provides a fairly complete POSIX environment for any small or embedded system."
HOMEPAGE = "http://www.busybox.net"
BUGTRACKER = "https://bugs.busybox.net/"
# bzip2 applet in busybox is based on lightly-modified bzip2 source
# the GPL is version 2 only
LICENSE = "GPLv2 & bzip2"
LIC_FILES_CHKSUM = "file://LICENSE;md5=de10de48642ab74318e893a61105afbb"
SECTION = "base"
PRIORITY = "required"
export EXTRA_CFLAGS = "${CFLAGS}"
PACKAGES =+ "${PN}-httpd ${PN}-udhcpd ${PN}-udhcpc ${PN}-syslog ${PN}-mdev"
FILES_${PN}-httpd = "${sysconfdir}/init.d/busybox-httpd /srv/www"
FILES_${PN}-syslog = "${sysconfdir}/init.d/syslog* ${sysconfdir}/syslog.conf*"
FILES_${PN}-mdev = "${sysconfdir}/init.d/mdev ${sysconfdir}/mdev.conf"
FILES_${PN}-udhcpd = "${sysconfdir}/init.d/busybox-udhcpd"
FILES_${PN}-udhcpc = "${sysconfdir}/udhcpc.d ${datadir}/udhcpc ${sysconfdir}/init.d/busybox-udhcpc"
INITSCRIPT_PACKAGES = "${PN}-httpd ${PN}-syslog ${PN}-udhcpd ${PN}-udhcpc ${PN}-mdev"
INITSCRIPT_NAME_${PN}-httpd = "busybox-httpd"
INITSCRIPT_NAME_${PN}-syslog = "syslog"
INITSCRIPT_NAME_${PN}-mdev = "mdev"
INITSCRIPT_PARAMS_${PN}-mdev = "start 06 S ."
INITSCRIPT_NAME_${PN}-udhcpd = "busybox-udhcpd"
INITSCRIPT_NAME_${PN}-udhcpc = "busybox-udhcpc"
CONFFILES_${PN}-syslog = "${sysconfdir}/syslog.conf.${PN}"
CONFFILES_${PN}-mdev = "${sysconfdir}/mdev.conf"
RRECOMMENDS_${PN} = "${PN}-syslog ${PN}-udhcpc"
inherit cml1 update-rc.d
# internal helper
def busybox_cfg(feature, features, tokens, cnf, rem):
if type(tokens) == type(""):
tokens = [tokens]
rem.extend(['/^[# ]*' + token + '[ =]/d' for token in tokens])
if type(features) == type([]) and feature in features:
cnf.extend([token + '=y' for token in tokens])
else:
cnf.extend(['# ' + token + ' is not set' for token in tokens])
# Map distro and machine features to config settings
def features_to_busybox_settings(d):
cnf, rem = ([], [])
distro_features = bb.data.getVar('DISTRO_FEATURES', d).split()
machine_features = bb.data.getVar('MACHINE_FEATURES', d).split()
busybox_cfg('ipv6', distro_features, 'CONFIG_FEATURE_IPV6', cnf, rem)
busybox_cfg('largefile', distro_features, 'CONFIG_LFS', cnf, rem)
busybox_cfg('largefile', distro_features, 'CONFIG_FDISK_SUPPORT_LARGE_DISKS', cnf, rem)
busybox_cfg('nls', distro_features, 'CONFIG_LOCALE_SUPPORT', cnf, rem)
busybox_cfg('ipv4', distro_features, 'CONFIG_FEATURE_IFUPDOWN_IPV4', cnf, rem)
busybox_cfg('ipv6', distro_features, 'CONFIG_FEATURE_IFUPDOWN_IPV6', cnf, rem)
busybox_cfg('kernel24', machine_features, 'CONFIG_FEATURE_2_4_MODULES', cnf, rem)
return "\n".join(cnf), "\n".join(rem)
# X, Y = ${@features_to_uclibc_settings(d)}
# unfortunately doesn't seem to work with bitbake, workaround:
def features_to_busybox_conf(d):
cnf, rem = features_to_busybox_settings(d)
return cnf
def features_to_busybox_del(d):
cnf, rem = features_to_busybox_settings(d)
return rem
configmangle = '/CROSS_COMPILER_PREFIX/d; \
/CONFIG_EXTRA_CFLAGS/d; \
'
OE_FEATURES := "${@features_to_busybox_conf(d)}"
OE_DEL := "${@features_to_busybox_del(d)}"
DO_IPv4 := ${@base_contains('DISTRO_FEATURES', 'ipv4', 1, 0, d)}
DO_IPv6 := ${@base_contains('DISTRO_FEATURES', 'ipv6', 1, 0, d)}
python () {
if "${OE_DEL}":
bb.data.setVar('configmangle_append', "${OE_DEL}" + "\n", d)
if "${OE_FEATURES}":
bb.data.setVar('configmangle_append',
"/^### DISTRO FEATURES$/a\\\n%s\n\n" %
("\\n".join((bb.data.expand("${OE_FEATURES}", d).split("\n")))),
d)
bb.data.setVar('configmangle_append',
"/^### CROSS$/a\\\n%s\n" %
("\\n".join(["CONFIG_CROSS_COMPILER_PREFIX=\"${TARGET_PREFIX}\"",
"CONFIG_EXTRA_CFLAGS=\"${CFLAGS}\""
])
),
d)
}
do_prepare_config () {
sed -e 's#@DATADIR@#${datadir}#g' \
< ${WORKDIR}/defconfig > ${S}/.config
sed -i -e '/CONFIG_STATIC/d' .config
echo "# CONFIG_STATIC is not set" >> .config
for i in 'CROSS' 'DISTRO FEATURES'; do echo "### $i"; done >> \
${S}/.config
sed -i -e '${configmangle}' ${S}/.config
if test ${DO_IPv4} -eq 0 && test ${DO_IPv6} -eq 0; then
# disable networking applets
mv ${S}/.config ${S}/.config.oe-tmp
awk 'BEGIN{net=0}
/^# Networking Utilities/{net=1}
/^#$/{if(net){net=net+1}}
{if(net==2&&$0 !~ /^#/&&$1){print("# "$1" is not set")}else{print}}' \
${S}/.config.oe-tmp > ${S}/.config
fi
}
do_configure () {
do_prepare_config
cml1_do_configure
}
do_compile() {
unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS
base_do_compile
}
do_install () {
oe_runmake busybox.links
if [ "${prefix}" != "/usr" ]; then
sed "s:^/usr/:${prefix}/:" busybox.links > busybox.links.new
mv busybox.links.new busybox.links
fi
if [ "${base_sbindir}" != "/sbin" ]; then
sed "s:^/sbin/:${base_sbindir}/:" busybox.links > busybox.links.new
mv busybox.links.new busybox.links
fi
install -d ${D}${sysconfdir}/init.d
if ! grep -q "CONFIG_FEATURE_INDIVIDUAL=y" ${WORKDIR}/defconfig; then
# Install /bin/busybox, and the /bin/sh link so the postinst script
# can run. Let update-alternatives handle the rest.
install -d ${D}${base_bindir}
if grep -q "CONFIG_FEATURE_SUID=y" ${WORKDIR}/defconfig; then
install -m 4755 ${S}/busybox ${D}${base_bindir}
else
install -m 0755 ${S}/busybox ${D}${base_bindir}
fi
ln -sf busybox ${D}${base_bindir}/sh
else
install -d ${D}${base_bindir} ${D}${base_sbindir}
install -d ${D}${libdir} ${D}${bindir} ${D}${sbindir}
cat busybox.links | while read FILE; do
NAME=`basename "$FILE"`
install -m 0755 "0_lib/$NAME" "${D}$FILE.${PN}"
done
# add suid bit where needed
for i in `grep -E "APPLET.*_BB_SUID_((MAYBE|REQUIRE))" include/applets.h | grep -v _BB_SUID_DROP | cut -f 3 -d '(' | cut -f 1 -d ','`; do
find ${D} -name $i.${PN} -exec chmod a+s {} \;
done
install -m 0755 0_lib/libbusybox.so.${PV} ${D}${libdir}/libbusybox.so.${PV}
ln -sf sh.${PN} ${D}${base_bindir}/sh
ln -sf ln.${PN} ${D}${base_bindir}/ln
ln -sf test.${PN} ${D}${bindir}/test
if [ -f ${D}/linuxrc.${PN} ]; then
mv ${D}/linuxrc.${PN} ${D}/linuxrc
fi
fi
if grep -q "CONFIG_SYSLOGD=y" ${WORKDIR}/defconfig; then
install -m 0755 ${WORKDIR}/syslog ${D}${sysconfdir}/init.d/syslog.${PN}
install -m 644 ${WORKDIR}/syslog.conf ${D}${sysconfdir}/syslog.conf.${PN}
fi
if grep "CONFIG_CROND=y" ${WORKDIR}/defconfig; then
install -m 0755 ${WORKDIR}/busybox-cron ${D}${sysconfdir}/init.d/
fi
if grep "CONFIG_HTTPD=y" ${WORKDIR}/defconfig; then
install -m 0755 ${WORKDIR}/busybox-httpd ${D}${sysconfdir}/init.d/
install -d ${D}/srv/www
fi
if grep "CONFIG_UDHCPD=y" ${WORKDIR}/defconfig; then
install -m 0755 ${WORKDIR}/busybox-udhcpd ${D}${sysconfdir}/init.d/
fi
if grep "CONFIG_HWCLOCK=y" ${WORKDIR}/defconfig; then
install -d ${D}${sysconfdir}/default
install -m 0755 ${WORKDIR}/hwclock.sh ${D}${sysconfdir}/init.d/
fi
if grep "CONFIG_UDHCPC=y" ${WORKDIR}/defconfig; then
install -d ${D}${sysconfdir}/udhcpc.d
install -d ${D}${datadir}/udhcpc
install -m 0755 ${WORKDIR}/simple.script ${D}${sysconfdir}/udhcpc.d/50default
install -m 0755 ${WORKDIR}/default.script ${D}${datadir}/udhcpc/default.script
install -m 0755 ${WORKDIR}/busybox-udhcpc ${D}${sysconfdir}/init.d/
fi
if grep "CONFIG_INETD=y" ${WORKDIR}/defconfig; then
install -m 0755 ${WORKDIR}/inetd ${D}${sysconfdir}/init.d/inetd.${PN}
install -m 0644 ${WORKDIR}/inetd.conf ${D}${sysconfdir}/
fi
if grep "CONFIG_MDEV=y" ${WORKDIR}/defconfig; then
install -m 0755 ${WORKDIR}/mdev ${D}${sysconfdir}/init.d/mdev
if grep "CONFIG_FEATURE_MDEV_CONF=y" ${WORKDIR}/defconfig; then
install -m 644 ${WORKDIR}/mdev.conf ${D}${sysconfdir}/mdev.conf
fi
fi
install -m 0644 ${S}/busybox.links ${D}${sysconfdir}
}
pkg_postinst_${PN} () {
# If we are not making an image we create links for the utilities that doesn't exist
# so the update-alternatives script will get the utilities it needs
# (update-alternatives have no problem replacing links later anyway)
test -n 2> /dev/null || alias test='busybox test'
if test "x$D" = "x"; then while read link; do if test ! -h "$link"; then case "$link" in /*/*/*) to="../../bin/busybox";; /bin/*) to="busybox";; /*/*) to="../bin/busybox";; esac; busybox ln -s $to $link; fi; done </etc/busybox.links; fi
# This adds the links, remember that this has to work when building an image too, hence the $D
while read link; do case "$link" in /*/*/*) to="../../bin/busybox";; /bin/*) to="busybox";; /*/*) to="../bin/busybox";; esac; bn=`basename $link`; update-alternatives --install $link $bn $to 50; done <$D/etc/busybox.links
}
pkg_postinst_${PN}-syslog () {
update-alternatives --install ${sysconfdir}/init.d/syslog syslog-init syslog.${PN} 50
update-alternatives --install ${sysconfdir}/syslog.conf syslog-conf syslog.conf.${PN} 50
}
pkg_prerm_${PN} () {
# This is so you can make busybox commit suicide - removing busybox with no other packages
# providing its files, this will make update-alternatives work, but the update-rc.d part
# for syslog, httpd and/or udhcpd will fail if there is no other package providing sh
tmpdir=`mktemp -d /tmp/busyboxrm-XXXXXX`
ln -s /bin/busybox $tmpdir/[
ln -s /bin/busybox $tmpdir/test
ln -s /bin/busybox $tmpdir/head
ln -s /bin/busybox $tmpdir/sh
ln -s /bin/busybox $tmpdir/basename
ln -s /bin/busybox $tmpdir/echo
ln -s /bin/busybox $tmpdir/mv
ln -s /bin/busybox $tmpdir/ln
ln -s /bin/busybox $tmpdir/dirname
ln -s /bin/busybox $tmpdir/rm
ln -s /bin/busybox $tmpdir/sed
ln -s /bin/busybox $tmpdir/sort
export PATH=$PATH:$tmpdir
while read link
do
case "$link" in
/*/*/*) to="../../bin/busybox";;
/bin/*) to="busybox";;
/*/*) to="../bin/busybox";;
esac
bn=`basename $link`
sh /usr/bin/update-alternatives --remove $bn $to
done </etc/busybox.links
}
pkg_prerm_${PN}-syslog () {
# remove syslog
if test "x$D" = "x"; then
if test "$1" = "upgrade" -o "$1" = "remove"; then
/etc/init.d/syslog stop
fi
fi
update-alternatives --remove syslog-init syslog.${PN}
update-alternatives --remove syslog-conf syslog.conf.${PN}
}
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