Problems Building DECT Stack

Hi First Problem: When I try to Build libdect (libnl was build and Installed without any critical errors): root@bt:/home/libdect# sh configure checking for gcc... gcc checking whether the C compiler works... yes checking for C compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... no checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking for a thread-safe mkdir -p... /bin/mkdir -p checking for a BSD-compatible install... /usr/bin/install -c checking whether ln -s works... yes checking for a sed that does not truncate output... /bin/sed configure: Documentation build disabled checking for nl_socket_alloc in -lnl... no configure: error: No suitable version of libnl found Second Problem: When I Put in my com-on-air PCMCIA Card, and look in Kern.log: Apr 19 19:06:26 bt kernel: [ 13.847922] com_on_air_cs 0.0: DECTDataDevice PCMCIA F22 Apr 19 19:06:26 bt kernel: [ 13.888290] com_on_air_cs 0.0: Radio type U2785B Apr 19 19:06:26 bt kernel: [ 13.901784] com_on_air_cs 0.0: Loading firmware ... Apr 19 19:06:26 bt kernel: [ 13.996529] pcmcia 0.1: pcmcia: registering new device pcmcia0.1 (IRQ: 3) Apr 19 19:06:26 bt kernel: [ 13.996740] com_on_air_cs 0.1: DECTDataDevice PCMCIA F22 Apr 19 19:06:26 bt kernel: [ 13.996818] com_on_air_cs 0.1: failed to enable PCMCIA device Apr 19 19:06:26 bt kernel: [ 13.996880] com_on_air_cs: probe of 0.1 failed with error -13