Robotcop fails with "undefined symbol robotcop_report_monitor"
You built Robotcop with "apxs -c mod_robotcop.c" which doesn't work. See the install documentation on this website for the correct way to build Robotcop from source.

Can't install Robotcop with "apxs -c mod_robotcop.c"
You're right, you can't install it that way. :-) See the install documentation on this website for the correct way to do this. This method would only work if the source to Robotcop was all in one .c file.

Compiling DSO For LinuxPPC fails with the error "R_PPC relocation out of range"
Recompile the module with -fPIC. You can add this option to the CFLAGS line in the librobotcop.module file.