Probvlem with compiling it on Ubuntu 32 bit

[vega0]

ubuntu@ubuntu:~/workspace/cpp.machinarium/deps/rttr$ make
[  1%] Linking CXX shared library ../../lib/librttr_core.so
CMake Error: failed to create symbolic link '../../lib/librttr_core.so': Operation not supported
CMake Error: cmake_symlink_library: System Error: Operation not supported
src/rttr/CMakeFiles/rttr_core.dir/build.make:592: recipe for target 'lib/librttr_core.so.0.9.7' failed
make[2]: *** [lib/librttr_core.so.0.9.7] Error 1
make[2]: *** Deleting file 'lib/librttr_core.so.0.9.7'
CMakeFiles/Makefile2:289: recipe for target 'src/rttr/CMakeFiles/rttr_core.dir/all' failed
make[1]: *** [src/rttr/CMakeFiles/rttr_core.dir/all] Error 2
Makefile:155: recipe for target 'all' failed
make: *** [all] Error 2

After git clone ... cmake CMakeLists.txt and make