CC [M]  /usr/src/mISDN/drivers/isdn/hardware/mISDN/asn1_enc.o
  CC [M]  /usr/src/mISDN/drivers/isdn/hardware/mISDN/capi_enc.o
  CC [M]  /usr/src/mISDN/drivers/isdn/hardware/mISDN/supp_serv.o
  CC [M]  /usr/src/mISDN/drivers/isdn/hardware/mISDN/core.o
/bin/sh: scripts/genksyms/genksyms: No such file or directory
make[2]: *** [/usr/src/mISDN/drivers/isdn/hardware/mISDN/core.o] Error 1
make[1]: *** [_module_/usr/src/mISDN/drivers/isdn/hardware/mISDN] Error 2
make[1]: Leaving directory `/usr/src/linux-headers-2.6.15-28'
make: *** [all] Error 2