* installing to library ‘/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages’
* installing *source* package ‘PRTree’ ...
** this is package ‘PRTree’ version ‘1.1.0’
** package ‘PRTree’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘gcc-15 (Debian 15.3.0-1) 15.3.0’
using Fortran compiler: ‘GNU Fortran (Debian 15.3.0-1) 15.3.0’
make[1]: Entering directory '/home/hornik/tmp/scratch/RtmpAAtB9v/R.INSTALL19a5906e9e5c8a/PRTree/src'
gfortran-15  -fpic  -g -O2 -Wall -pedantic -mtune=native  -c  prtree_types.f90 -o prtree_types.o
gfortran-15  -fpic  -g -O2 -Wall -pedantic -mtune=native  -c  prtree_misc.f90 -o prtree_misc.o
gfortran-15  -fpic  -g -O2 -Wall -pedantic -mtune=native  -c  prtree.f90 -o prtree.o
gfortran-15  -fpic  -g -O2 -Wall -pedantic -mtune=native  -c  Rcalls.f90 -o Rcalls.o
Rcalls.f90:209:55:

  209 |       mse(3) = (best_train_mse + best_test_mse) / n_obs
      |                                                       ^
Warning: ‘best_train_mse’ may be used uninitialized [-Wmaybe-uninitialized]
Rcalls.f90:103:30:

  103 |   real(dp) :: best_test_mse, best_train_mse
      |                              ^~~~~~~~~~~~~~
note: ‘best_train_mse’ was declared here
gcc-15 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c PRTree_init.c -o PRTree_init.o
gcc-15 -shared -L/home/hornik/tmp/R.check/r-patched-gcc/Work/build/lib -Wl,-O1 -o PRTree.so prtree_types.o prtree_misc.o prtree.o Rcalls.o PRTree_init.o -llapack -L/home/hornik/tmp/R.check/r-patched-gcc/Work/build/lib -lRblas -lgfortran -lm -lquadmath -lgfortran -lm -lquadmath -L/home/hornik/tmp/R.check/r-patched-gcc/Work/build/lib -lR
make[1]: Leaving directory '/home/hornik/tmp/scratch/RtmpAAtB9v/R.INSTALL19a5906e9e5c8a/PRTree/src'
make[1]: Entering directory '/home/hornik/tmp/scratch/RtmpAAtB9v/R.INSTALL19a5906e9e5c8a/PRTree/src'
make[1]: Leaving directory '/home/hornik/tmp/scratch/RtmpAAtB9v/R.INSTALL19a5906e9e5c8a/PRTree/src'
installing to /home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/00LOCK-PRTree/00new/PRTree/libs
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
  converting help for package ‘PRTree’
    finding HTML links ... done
    PRTree.Package                          html  
    expand_sigma_grid                       html  
    plot.prtree                             html  
    plot.prtree.cv                          html  
    plot_tree                               html  
    pr_tree                                 html  
    pr_tree_control                         html  
    pr_tree_control_cv                      html  
    pr_tree_cv                              html  
    predict.prtree                          html  
    print.idx.split                         html  
    print.prtree                            html  
    print.prtree.control                    html  
    print.prtree.control_cv                 html  
    print.prtree.cv                         html  
    print.sigma_grid                        html  
    print.summary.idx.split                 html  
    print.summary.prtree                    html  
    print.summary.prtree.cv                 html  
    summary.idx.split                       html  
    summary.prtree                          html  
    summary.prtree.cv                       html  
    train_test_split                        html  
** building package indices
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (PRTree)