debian:/home/robin/zaptel-1.0.2# make linux26
make -C /usr/src/linux-2.6 SUBDIRS=/home/robin/zaptel-1.0.2 modules
make[1]: Entering directory `/usr/src/kernel-headers-2.6.10-1-386'
  Building modules, stage 2.
  MODPOST
*** Warning: "cleanup_module" [/home/robin/zaptel-1.0.2/ztdummy.ko] undefined!
*** Warning: "init_module" [/home/robin/zaptel-1.0.2/ztdummy.ko] undefined!
*** Warning: "zt_transmit" [/home/robin/zaptel-1.0.2/ztdummy.ko] undefined!
*** Warning: "zt_receive" [/home/robin/zaptel-1.0.2/ztdummy.ko] undefined!
*** Warning: "zt_unregister" [/home/robin/zaptel-1.0.2/ztdummy.ko] undefined!
*** Warning: "zt_register" [/home/robin/zaptel-1.0.2/ztdummy.ko] undefined!
make[1]: Leaving directory `/usr/src/kernel-headers-2.6.10-1-386'