@Lachlan-Peter You don't say anything about your
system Omega and its firmware (as usual ;-)
So - for example on v0.3.2 b232 - enable the second (2nd) and the fifth (5th) lines of the '/etc/opkg/distfeeds.conf' file to install (make, gcc, gdb) gdbserver.
# Omega2+ with OpenWrt 18.06 based v0.3.2 b232 firmware root@Omega-5BE1:/# opkg update ... root@Omega-5BE1:/# opkg list | grep -i gdbserver gdbserver - 8.0.1-1 - GDBSERVER is a program that allows you to run GDB on a different machine than the one which is running the program being debugged. root@Omega-5BE1:/# opkg install gdbserver Installing gdbserver (8.0.1-1) to root... Downloading http://downloads.openwrt.org/releases/18.06-SNAPSHOT/packages/mipsel_24kc/base/gdbserver_8.0.1-1_mipsel_24kc.ipk Configuring gdbserver. root@Omega-5BE1:/#