[ 50%] Built target mlpack_krann
[ 51%] Built target mlpack_softmax_regression
[ 51%] Built target mlpack_sparse_coding
[100%] Built target mlpack_test
Install the project...
-- Install configuration: ""
-- Installing: /usr/local/lib/pkgconfig/mlpack.pc
CMake Error at cmake_install.cmake:36 (FILE):
  file INSTALL cannot copy file
  "/home/user/mlpack-2.1.1/build/lib/pkgconfig/mlpack.pc" to
  "/usr/local/lib/pkgconfig/mlpack.pc".


make: *** [install] Error 1