root@p2914644:/usr/src/asterisk/dahdi-linux-complete-2.6.1+2.6.1# make all
make -C linux all
make[1]: Entering directory `/usr/src/asterisk/dahdi-linux-complete-2.6.1+2.6.1/linux'
make -C drivers/dahdi/firmware firmware-loaders
make[2]: Entering directory `/usr/src/asterisk/dahdi-linux-complete-2.6.1+2.6.1/linux/drivers/dahdi/firmware'
make[2]: Leaving directory `/usr/src/asterisk/dahdi-linux-complete-2.6.1+2.6.1/linux/drivers/dahdi/firmware'
You do not appear to have the sources for the 2.6.32-42-server kernel installed.
make[1]: *** [modules] Error 1
make[1]: Leaving directory `/usr/src/asterisk/dahdi-linux-complete-2.6.1+2.6.1/linux'
make: *** [all] Error 2