Found the following significant warnings:
  Warning: SystemRequirements and Makevars* specified different C++ standards
See 'd:/Rcompile/CRANpkg/local/4.6/SLmetrics.Rcheck/00install.out' for details.
* used C++ compiler: 'g++.exe (GCC) 14.3.0'
installed size is 17.5Mb
  sub-directories of 1Mb or more:
    help   2.4Mb
    libs  14.0Mb
installed size is 16.6Mb
  sub-directories of 1Mb or more:
    help   1.5Mb
    libs  14.0Mb