make[1]: Entering directory '/home/favre49/Projects/mlpack/build'
make[2]: Entering directory '/home/favre49/Projects/mlpack/build'
make[2]: Entering directory '/home/favre49/Projects/mlpack/build'
make[2]: Leaving directory '/home/favre49/Projects/mlpack/build'
make[2]: Leaving directory '/home/favre49/Projects/mlpack/build'
make[2]: Entering directory '/home/favre49/Projects/mlpack/build'
make[2]: Entering directory '/home/favre49/Projects/mlpack/build'
[ 33%] Updating gitversion.hpp (if necessary)
[ 33%] Updating arma_config.hpp (if necessary)
-- Found Git: /usr/bin/git (found version "2.25.1") 
make[2]: Leaving directory '/home/favre49/Projects/mlpack/build'
-- gitversion.hpp is already up to date.
make[2]: Leaving directory '/home/favre49/Projects/mlpack/build'
[ 33%] Built target mlpack_arma_config
[ 33%] Built target mlpack_gitversion
make[2]: Entering directory '/home/favre49/Projects/mlpack/build'
make[2]: Leaving directory '/home/favre49/Projects/mlpack/build'
make[2]: Entering directory '/home/favre49/Projects/mlpack/build'
Moving header files to include/mlpack/
Error copying file "/home/favre49/Projects/mlpack/build/src/mlpack/mlpack_export.hpp" to "/home/favre49/Projects/mlpack/build/include/mlpack".
make[2]: *** [src/mlpack/CMakeFiles/mlpack_headers.dir/build.make:59: mlpack_headers] Error 1
make[2]: Leaving directory '/home/favre49/Projects/mlpack/build'
make[1]: *** [CMakeFiles/Makefile2:2439: src/mlpack/CMakeFiles/mlpack_headers.dir/all] Error 2
make[1]: Leaving directory '/home/favre49/Projects/mlpack/build'
make: *** [Makefile:141: all] Error 2