checking for g++... g++
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 g++ accepts -g... yes
checking how to run the C++ preprocessor... g++ -E
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking boost/lockfree/queue.hpp usability... no
checking boost/lockfree/queue.hpp presence... no
checking for boost/lockfree/queue.hpp... no
checking whether g++ supports C++11 features by default... no
checking whether g++ supports C++11 features with -std=c++11... no
checking whether g++ supports C++11 features with -std=c++0x... yes
checking build toplevel... /home/linaro/linuxcnc-dev
checking installation prefix... run in place
checking for grep... (cached) /bin/grep
checking for egrep... (cached) /bin/grep -E
checking for pkg-config... /usr/bin/pkg-config
checking for rtai-config... none
checking for xeno-config... /usr/bin/xeno-config
checking for realtime API(s) to use... none
checking for location of kernel headers... using value from RTS: 
checking for cc version... not specified
checking for gcc... gcc
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 how to run the C preprocessor... gcc -E
checking for usability of linux/hidraw.h... yes
checking for libmodbus3... yes - version 3.0.1
checking for libusb-1.0... yes
checking for kernel version string... gcc: error: /include/linux/version.h: No such file or directory
gcc: fatal error: no input files
compilation terminated.
configure: error: Kernel version string not found