err

[100%] Built target ElmerGUI
Install the project...
-- Install configuration: "RelWithDebInfo"
CMake Error at matc/src/cmake_install.cmake:42 (file):
  file cannot create directory: /usr/local/lib/elmersolver.  Maybe need
  administrative privileges.
Call Stack (most recent call first):
  matc/cmake_install.cmake:37 (include)
  cmake_install.cmake:37 (include)



Makefile:148: recipe for target 'install' failed
make: *** [install] Error 1