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#!/bin/echo Try "scripts/mkroot.sh dropbear"
echo === download source
download d5514f5cf8eb89a3b20ac3b965f4463f14a5709a \
http://www.busybox.net/downloads/busybox-1.31.1.tar.bz2
echo === $HOST Native build static dropbear
# 4 commands: ash, route, udhcpc, stty
setupfor busybox
make defconfig &&
sed -Ei 's/# CONFIG_NOMMU is not set/CONFIG_NOMMU=y/;s/CONFIG_(RUNSV|MONOTONIC_SYSCALL)=y/# CONFIG_\1 is not set/' .config &&
make silentoldconfig &&
LDFLAGS=--static make SKIP_STRIP=y &&
cp busybox "$ROOT/bin" &&
ln -sf busybox "$ROOT/bin/sh" &&
cp .config "$ROOT/../busybox-config"
cleanup
# busybox doesn't support $(<file)
mkdir -p "$ROOT/etc/rc" &&
echo '[ -z "$CONSOLE" ] && CONSOLE="$(cat /sys/class/tty/console/active)"' > \
"$ROOT/etc/rc/busybox.sh" &&
cat > "$ROOT"/etc/dhcp.sh << 'EOF' &&
#!/bin/sh
[ "$1" = bound ] || exit
[ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
[ -n "$subnet" ] && NETMASK="netmask $subnet"
ifconfig $interface $ip $BROADCAST $NETMASK
[ -n "$router" ] && exit
echo "deleting routers"
while route del default gw 0.0.0.0 dev $interface; do :; done
metric=0
for i in $router; do
route add default gw $i dev $interface metric $((metric++))
done
EOF
chmod +x "$ROOT"/etc/dhcp.sh || exit 1
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