-- Install configuration: "Release"
CMake Error: Error in cmake code at
/home/rob/OpenSceneGraph/src/OpenThreads/pthreads/cmake_install.cmake:30:
FILE error when creating symlink from: /usr/local/lib/libOpenThreads.so to libOpenThreads.so.7
Current CMake stack: /home/rob/OpenSceneGraph/cmake_install.cmake;/home/rob/OpenSceneGraph/src/cmake_install.cmake;/home/rob/OpenSceneGraph/src/OpenThreads/cmake_install.cmake;/home/rob/OpenSceneGraph/src/OpenThreads/pthreads/cmake_install.cmake
make: *** [install] Error 255