Kernel development on Nios Linux 2.6 distribution

Hello,

I tried to build my kernel module hello.c as described in this contribution, using Makefile specified here. But make command executed from NIOSII shell returns following errors and, I understand that it needs appropriate ptf file, but I dont know what to do...

$ make
make -C /cygdrive/c/altera/kits/nios2/bin/eclipse/plugins/com.microtronix.nios2l
inux.kernel_0.1.5/linux-2.6.x O=/cygdrive/c/altera/kits/nios2/bin/eclipse/worksp
ace/kernel_mod/build SUBDIRS=/cygdrive/c/altera/kits/nios2/bin/eclipse/workspace
/kernel_mod modules
make: Entering directory `/cygdrive/c/altera/kits/nios2/bin/eclipse/plugins/c
om.microtronix.nios2linux.kernel_0.1.5/linux-2.6.x'
/cygdrive/c/altera/kits/nios2/bin/eclipse/plugins/com.microtronix.nios2linux.ker
nel_0.1.5/linux-2.6.x/Makefile:461: .config: No such file or directory
  no emulation specific options.
/cygdrive/c/altera/kits/nios2/bin/eclipse/plugins/com.microtronix.nios2linux.ker
nel_0.1.5/linux-2.6.x/arch/nios2nommu/Makefile:124: *** Run "make hwselect SYSPT
F=<system.ptf>" first.  Stop.
make: ***  Error 2
make: Leaving directory `/cygdrive/c/altera/kits/nios2/bin/eclipse/plugins/co
m.microtronix.nios2linux.kernel_0.1.5/linux-2.6.x&#39;
make: ***  Error 2
/cygdrive/c/altera/kits/nios2/bin/eclipse/workspace/kernel_mod
$

I hope someone can help,

thank you,

Jan