* installing *source* package ‘gpboost’ ...
** using staged installation
checking location of R... /home/hornik/tmp/R
checking whether MM_PREFETCH works... yes
checking whether MM_MALLOC works... yes
configure: creating ./config.status
config.status: creating src/Makevars
** libs
using C compiler: ‘Debian clang version 18.1.6 (1)’
using C++ compiler: ‘Debian clang version 18.1.6 (1)’
using C++17
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c boosting/boosting.cpp -o boosting/boosting.o
In file included from boosting/boosting.cpp:5:
In file included from ./include/LightGBM/boosting.h:8:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
In file included from boosting/boosting.cpp:7:
In file included from boosting/dart.hpp:16:
In file included from boosting/gbdt.h:10:
In file included from ./include/LightGBM/objective_function.h:9:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:26:
In file included from ./include/Eigen/SparseCore:61:
./include/Eigen/src/SparseCore/TriangularSolver.h:273:13: warning: variable 'count' set but not used [-Wunused-but-set-variable]
  273 |       Index count = 0;
      |             ^
In file included from boosting/boosting.cpp:7:
In file included from boosting/dart.hpp:16:
In file included from boosting/gbdt.h:10:
In file included from ./include/LightGBM/objective_function.h:9:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:29:
In file included from ./include/Eigen/SparseLU:35:
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:78:9: warning: variable 'nsuper_et_post' set but not used [-Wunused-but-set-variable]
   78 |   Index nsuper_et_post = 0; // Number of relaxed snodes in postordered etree 
      |         ^
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:79:9: warning: variable 'nsuper_et' set but not used [-Wunused-but-set-variable]
   79 |   Index nsuper_et = 0; // Number of relaxed snodes in the original etree 
      |         ^
4 warnings generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c boosting/gbdt.cpp -o boosting/gbdt.o
In file included from boosting/gbdt.cpp:6:
In file included from boosting/gbdt.h:9:
In file included from ./include/LightGBM/boosting.h:8:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
In file included from boosting/gbdt.cpp:6:
In file included from boosting/gbdt.h:10:
In file included from ./include/LightGBM/objective_function.h:9:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:26:
In file included from ./include/Eigen/SparseCore:61:
./include/Eigen/src/SparseCore/TriangularSolver.h:273:13: warning: variable 'count' set but not used [-Wunused-but-set-variable]
  273 |       Index count = 0;
      |             ^
In file included from boosting/gbdt.cpp:6:
In file included from boosting/gbdt.h:10:
In file included from ./include/LightGBM/objective_function.h:9:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:29:
In file included from ./include/Eigen/SparseLU:35:
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:78:9: warning: variable 'nsuper_et_post' set but not used [-Wunused-but-set-variable]
   78 |   Index nsuper_et_post = 0; // Number of relaxed snodes in postordered etree 
      |         ^
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:79:9: warning: variable 'nsuper_et' set but not used [-Wunused-but-set-variable]
   79 |   Index nsuper_et = 0; // Number of relaxed snodes in the original etree 
      |         ^
4 warnings generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c boosting/gbdt_model_text.cpp -o boosting/gbdt_model_text.o
In file included from boosting/gbdt_model_text.cpp:5:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
In file included from boosting/gbdt_model_text.cpp:6:
In file included from ./include/LightGBM/metric.h:12:
In file included from ./include/LightGBM/objective_function.h:9:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:26:
In file included from ./include/Eigen/SparseCore:61:
./include/Eigen/src/SparseCore/TriangularSolver.h:273:13: warning: variable 'count' set but not used [-Wunused-but-set-variable]
  273 |       Index count = 0;
      |             ^
In file included from boosting/gbdt_model_text.cpp:6:
In file included from ./include/LightGBM/metric.h:12:
In file included from ./include/LightGBM/objective_function.h:9:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:29:
In file included from ./include/Eigen/SparseLU:35:
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:78:9: warning: variable 'nsuper_et_post' set but not used [-Wunused-but-set-variable]
   78 |   Index nsuper_et_post = 0; // Number of relaxed snodes in postordered etree 
      |         ^
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:79:9: warning: variable 'nsuper_et' set but not used [-Wunused-but-set-variable]
   79 |   Index nsuper_et = 0; // Number of relaxed snodes in the original etree 
      |         ^
4 warnings generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c boosting/gbdt_prediction.cpp -o boosting/gbdt_prediction.o
In file included from boosting/gbdt_prediction.cpp:6:
In file included from ./include/LightGBM/objective_function.h:9:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:26:
In file included from ./include/Eigen/SparseCore:61:
./include/Eigen/src/SparseCore/TriangularSolver.h:273:13: warning: variable 'count' set but not used [-Wunused-but-set-variable]
  273 |       Index count = 0;
      |             ^
In file included from boosting/gbdt_prediction.cpp:6:
In file included from ./include/LightGBM/objective_function.h:9:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:29:
In file included from ./include/Eigen/SparseLU:35:
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:78:9: warning: variable 'nsuper_et_post' set but not used [-Wunused-but-set-variable]
   78 |   Index nsuper_et_post = 0; // Number of relaxed snodes in postordered etree 
      |         ^
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:79:9: warning: variable 'nsuper_et' set but not used [-Wunused-but-set-variable]
   79 |   Index nsuper_et = 0; // Number of relaxed snodes in the original etree 
      |         ^
In file included from boosting/gbdt_prediction.cpp:6:
In file included from ./include/LightGBM/objective_function.h:9:
In file included from ./include/GPBoost/re_model.h:13:
In file included from ./include/GPBoost/re_model_template.h:15:
In file included from ./include/GPBoost/re_comp.h:13:
In file included from ./include/GPBoost/cov_fcts.h:14:
In file included from ./include/GPBoost/sparse_matrix_utils.h:13:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
4 warnings generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c boosting/prediction_early_stop.cpp -o boosting/prediction_early_stop.o
In file included from boosting/prediction_early_stop.cpp:7:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c io/bin.cpp -o io/bin.o
In file included from io/bin.cpp:5:
In file included from ./include/LightGBM/bin.h:9:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
io/bin.cpp:164:9: warning: variable 'left_cnt_data' set but not used [-Wunused-but-set-variable]
  164 |     int left_cnt_data = 0;
      |         ^
io/bin.cpp:165:9: warning: variable 'cnt_zero' set but not used [-Wunused-but-set-variable]
  165 |     int cnt_zero = 0;
      |         ^
io/bin.cpp:166:9: warning: variable 'right_cnt_data' set but not used [-Wunused-but-set-variable]
  166 |     int right_cnt_data = 0;
      |         ^
4 warnings generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c io/config.cpp -o io/config.o
In file included from io/config.cpp:6:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c io/config_auto.cpp -o io/config_auto.o
In file included from io/config_auto.cpp:9:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c io/dataset.cpp -o io/dataset.o
In file included from io/dataset.cpp:6:
In file included from ./include/LightGBM/dataset.h:8:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c io/dataset_loader.cpp -o io/dataset_loader.o
In file included from io/dataset_loader.cpp:5:
In file included from ./include/LightGBM/dataset_loader.h:8:
In file included from ./include/LightGBM/dataset.h:8:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c io/file_io.cpp -o io/file_io.o
In file included from io/file_io.cpp:8:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c io/json11.cpp -o io/json11.o
In file included from io/json11.cpp:23:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c io/metadata.cpp -o io/metadata.o
In file included from io/metadata.cpp:6:
In file included from ./include/LightGBM/dataset.h:8:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c io/parser.cpp -o io/parser.o
In file included from io/parser.cpp:5:
In file included from io/parser.hpp:8:
In file included from ./include/LightGBM/dataset.h:8:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c io/train_share_states.cpp -o io/train_share_states.o
In file included from io/train_share_states.cpp:7:
In file included from ./include/LightGBM/train_share_states.h:8:
In file included from ./include/LightGBM/bin.h:9:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c io/tree.cpp -o io/tree.o
In file included from io/tree.cpp:5:
In file included from ./include/LightGBM/tree.h:8:
In file included from ./include/LightGBM/dataset.h:8:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c metric/dcg_calculator.cpp -o metric/dcg_calculator.o
In file included from metric/dcg_calculator.cpp:5:
In file included from ./include/LightGBM/metric.h:9:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
In file included from metric/dcg_calculator.cpp:5:
In file included from ./include/LightGBM/metric.h:12:
In file included from ./include/LightGBM/objective_function.h:9:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:26:
In file included from ./include/Eigen/SparseCore:61:
./include/Eigen/src/SparseCore/TriangularSolver.h:273:13: warning: variable 'count' set but not used [-Wunused-but-set-variable]
  273 |       Index count = 0;
      |             ^
In file included from metric/dcg_calculator.cpp:5:
In file included from ./include/LightGBM/metric.h:12:
In file included from ./include/LightGBM/objective_function.h:9:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:29:
In file included from ./include/Eigen/SparseLU:35:
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:78:9: warning: variable 'nsuper_et_post' set but not used [-Wunused-but-set-variable]
   78 |   Index nsuper_et_post = 0; // Number of relaxed snodes in postordered etree 
      |         ^
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:79:9: warning: variable 'nsuper_et' set but not used [-Wunused-but-set-variable]
   79 |   Index nsuper_et = 0; // Number of relaxed snodes in the original etree 
      |         ^
4 warnings generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c metric/metric.cpp -o metric/metric.o
In file included from metric/metric.cpp:6:
In file included from ./include/LightGBM/metric.h:9:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
In file included from metric/metric.cpp:6:
In file included from ./include/LightGBM/metric.h:12:
In file included from ./include/LightGBM/objective_function.h:9:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:26:
In file included from ./include/Eigen/SparseCore:61:
./include/Eigen/src/SparseCore/TriangularSolver.h:273:13: warning: variable 'count' set but not used [-Wunused-but-set-variable]
  273 |       Index count = 0;
      |             ^
In file included from metric/metric.cpp:6:
In file included from ./include/LightGBM/metric.h:12:
In file included from ./include/LightGBM/objective_function.h:9:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:29:
In file included from ./include/Eigen/SparseLU:35:
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:78:9: warning: variable 'nsuper_et_post' set but not used [-Wunused-but-set-variable]
   78 |   Index nsuper_et_post = 0; // Number of relaxed snodes in postordered etree 
      |         ^
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:79:9: warning: variable 'nsuper_et' set but not used [-Wunused-but-set-variable]
   79 |   Index nsuper_et = 0; // Number of relaxed snodes in the original etree 
      |         ^
4 warnings generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c objective/objective_function.cpp -o objective/objective_function.o
In file included from objective/objective_function.cpp:6:
In file included from ./include/LightGBM/objective_function.h:9:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:26:
In file included from ./include/Eigen/SparseCore:61:
./include/Eigen/src/SparseCore/TriangularSolver.h:273:13: warning: variable 'count' set but not used [-Wunused-but-set-variable]
  273 |       Index count = 0;
      |             ^
In file included from objective/objective_function.cpp:6:
In file included from ./include/LightGBM/objective_function.h:9:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:29:
In file included from ./include/Eigen/SparseLU:35:
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:78:9: warning: variable 'nsuper_et_post' set but not used [-Wunused-but-set-variable]
   78 |   Index nsuper_et_post = 0; // Number of relaxed snodes in postordered etree 
      |         ^
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:79:9: warning: variable 'nsuper_et' set but not used [-Wunused-but-set-variable]
   79 |   Index nsuper_et = 0; // Number of relaxed snodes in the original etree 
      |         ^
In file included from objective/objective_function.cpp:6:
In file included from ./include/LightGBM/objective_function.h:9:
In file included from ./include/GPBoost/re_model.h:13:
In file included from ./include/GPBoost/re_model_template.h:15:
In file included from ./include/GPBoost/re_comp.h:13:
In file included from ./include/GPBoost/cov_fcts.h:14:
In file included from ./include/GPBoost/sparse_matrix_utils.h:13:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
In file included from objective/objective_function.cpp:8:
objective/binary_objective.hpp:215:14: warning: private field 'deterministic_' is not used [-Wunused-private-field]
  215 |   const bool deterministic_;
      |              ^
In file included from objective/objective_function.cpp:12:
objective/xentropy_objective.hpp:153:14: warning: private field 'deterministic_' is not used [-Wunused-private-field]
  153 |   const bool deterministic_;
      |              ^
objective/xentropy_objective.hpp:291:14: warning: private field 'deterministic_' is not used [-Wunused-private-field]
  291 |   const bool deterministic_;
      |              ^
7 warnings generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c network/ifaddrs_patch.cpp -o network/ifaddrs_patch.o
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c network/linker_topo.cpp -o network/linker_topo.o
In file included from network/linker_topo.cpp:5:
In file included from ./include/LightGBM/network.h:8:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c network/linkers_mpi.cpp -o network/linkers_mpi.o
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c network/linkers_socket.cpp -o network/linkers_socket.o
In file included from network/linkers_socket.cpp:7:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
network/linkers_socket.cpp:174:7: warning: variable 'need_connect_cnt' set but not used [-Wunused-but-set-variable]
  174 |   int need_connect_cnt = 0;
      |       ^
2 warnings generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c network/network.cpp -o network/network.o
In file included from network/network.cpp:5:
In file included from ./include/LightGBM/network.h:8:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c treelearner/data_parallel_tree_learner.cpp -o treelearner/data_parallel_tree_learner.o
In file included from treelearner/data_parallel_tree_learner.cpp:9:
In file included from treelearner/parallel_tree_learner.h:8:
In file included from ./include/LightGBM/network.h:8:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c treelearner/feature_parallel_tree_learner.cpp -o treelearner/feature_parallel_tree_learner.o
In file included from treelearner/feature_parallel_tree_learner.cpp:8:
In file included from treelearner/parallel_tree_learner.h:8:
In file included from ./include/LightGBM/network.h:8:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c treelearner/gpu_tree_learner.cpp -o treelearner/gpu_tree_learner.o
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c treelearner/linear_tree_learner.cpp -o treelearner/linear_tree_learner.o
In file included from treelearner/linear_tree_learner.cpp:5:
In file included from treelearner/linear_tree_learner.h:14:
In file included from treelearner/serial_tree_learner.h:8:
In file included from ./include/LightGBM/dataset.h:8:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c treelearner/serial_tree_learner.cpp -o treelearner/serial_tree_learner.o
In file included from treelearner/serial_tree_learner.cpp:6:
In file included from treelearner/serial_tree_learner.h:8:
In file included from ./include/LightGBM/dataset.h:8:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
In file included from treelearner/serial_tree_learner.cpp:9:
In file included from ./include/LightGBM/objective_function.h:9:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:26:
In file included from ./include/Eigen/SparseCore:61:
./include/Eigen/src/SparseCore/TriangularSolver.h:273:13: warning: variable 'count' set but not used [-Wunused-but-set-variable]
  273 |       Index count = 0;
      |             ^
In file included from treelearner/serial_tree_learner.cpp:9:
In file included from ./include/LightGBM/objective_function.h:9:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:29:
In file included from ./include/Eigen/SparseLU:35:
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:78:9: warning: variable 'nsuper_et_post' set but not used [-Wunused-but-set-variable]
   78 |   Index nsuper_et_post = 0; // Number of relaxed snodes in postordered etree 
      |         ^
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:79:9: warning: variable 'nsuper_et' set but not used [-Wunused-but-set-variable]
   79 |   Index nsuper_et = 0; // Number of relaxed snodes in the original etree 
      |         ^
4 warnings generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c treelearner/tree_learner.cpp -o treelearner/tree_learner.o
In file included from treelearner/tree_learner.cpp:5:
In file included from ./include/LightGBM/tree_learner.h:9:
In file included from ./include/LightGBM/config.h:23:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c treelearner/voting_parallel_tree_learner.cpp -o treelearner/voting_parallel_tree_learner.o
In file included from treelearner/voting_parallel_tree_learner.cpp:5:
In file included from ./include/LightGBM/utils/common.h:12:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c c_api.cpp -o c_api.o
In file included from c_api.cpp:12:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:26:
In file included from ./include/Eigen/SparseCore:61:
./include/Eigen/src/SparseCore/TriangularSolver.h:273:13: warning: variable 'count' set but not used [-Wunused-but-set-variable]
  273 |       Index count = 0;
      |             ^
In file included from c_api.cpp:12:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:29:
In file included from ./include/Eigen/SparseLU:35:
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:78:9: warning: variable 'nsuper_et_post' set but not used [-Wunused-but-set-variable]
   78 |   Index nsuper_et_post = 0; // Number of relaxed snodes in postordered etree 
      |         ^
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:79:9: warning: variable 'nsuper_et' set but not used [-Wunused-but-set-variable]
   79 |   Index nsuper_et = 0; // Number of relaxed snodes in the original etree 
      |         ^
In file included from c_api.cpp:12:
In file included from ./include/GPBoost/re_model.h:13:
In file included from ./include/GPBoost/re_model_template.h:15:
In file included from ./include/GPBoost/re_comp.h:13:
In file included from ./include/GPBoost/cov_fcts.h:14:
In file included from ./include/GPBoost/sparse_matrix_utils.h:13:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
4 warnings generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c gpboost_R.cpp -o gpboost_R.o
In file included from gpboost_R.cpp:7:
./gpboost_R.h:11:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   11 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c re_model.cpp -o re_model.o
In file included from re_model.cpp:9:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:26:
In file included from ./include/Eigen/SparseCore:61:
./include/Eigen/src/SparseCore/TriangularSolver.h:273:13: warning: variable 'count' set but not used [-Wunused-but-set-variable]
  273 |       Index count = 0;
      |             ^
In file included from re_model.cpp:9:
In file included from ./include/GPBoost/re_model.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:29:
In file included from ./include/Eigen/SparseLU:35:
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:78:9: warning: variable 'nsuper_et_post' set but not used [-Wunused-but-set-variable]
   78 |   Index nsuper_et_post = 0; // Number of relaxed snodes in postordered etree 
      |         ^
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:79:9: warning: variable 'nsuper_et' set but not used [-Wunused-but-set-variable]
   79 |   Index nsuper_et = 0; // Number of relaxed snodes in the original etree 
      |         ^
In file included from re_model.cpp:9:
In file included from ./include/GPBoost/re_model.h:13:
In file included from ./include/GPBoost/re_model_template.h:15:
In file included from ./include/GPBoost/re_comp.h:13:
In file included from ./include/GPBoost/cov_fcts.h:14:
In file included from ./include/GPBoost/sparse_matrix_utils.h:13:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
In file included from re_model.cpp:9:
In file included from ./include/GPBoost/re_model.h:13:
./include/GPBoost/re_model_template.h:8034:42: warning: expression result unused [-Wunused-value]
 8034 |                                 re_comp_cross_cov_cluster_i_pred_ip->coords_;
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
./include/GPBoost/re_model_template.h:2931:8: note: in instantiation of member function 'GPBoost::REModelTemplate<Eigen::SparseMatrix<double>, Eigen::SimplicialLLT<Eigen::SparseMatrix<double>, 1, Eigen::AMDOrdering<int>>>::CalcPredPPFSA' requested here
 2931 |                                                         CalcPredPPFSA(cluster_i, gp_coords_mat_pred, predict_cov_mat,
      |                                                         ^
re_model.cpp:1008:18: note: in instantiation of member function 'GPBoost::REModelTemplate<Eigen::SparseMatrix<double>, Eigen::SimplicialLLT<Eigen::SparseMatrix<double>, 1, Eigen::AMDOrdering<int>>>::Predict' requested here
 1008 |                         re_model_sp_->Predict(cov_pars_pred_trans.data(),
      |                                       ^
In file included from re_model.cpp:9:
In file included from ./include/GPBoost/re_model.h:13:
./include/GPBoost/re_model_template.h:8034:42: warning: expression result unused [-Wunused-value]
 8034 |                                 re_comp_cross_cov_cluster_i_pred_ip->coords_;
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
./include/GPBoost/re_model_template.h:2931:8: note: in instantiation of member function 'GPBoost::REModelTemplate<Eigen::SparseMatrix<double, 1>, Eigen::SimplicialLLT<Eigen::SparseMatrix<double, 1>, 1, Eigen::AMDOrdering<int>>>::CalcPredPPFSA' requested here
 2931 |                                                         CalcPredPPFSA(cluster_i, gp_coords_mat_pred, predict_cov_mat,
      |                                                         ^
re_model.cpp:1028:21: note: in instantiation of member function 'GPBoost::REModelTemplate<Eigen::SparseMatrix<double, 1>, Eigen::SimplicialLLT<Eigen::SparseMatrix<double, 1>, 1, Eigen::AMDOrdering<int>>>::Predict' requested here
 1028 |                         re_model_sp_rm_->Predict(cov_pars_pred_trans.data(),
      |                                          ^
In file included from re_model.cpp:9:
In file included from ./include/GPBoost/re_model.h:13:
./include/GPBoost/re_model_template.h:8034:42: warning: expression result unused [-Wunused-value]
 8034 |                                 re_comp_cross_cov_cluster_i_pred_ip->coords_;
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
./include/GPBoost/re_model_template.h:2931:8: note: in instantiation of member function 'GPBoost::REModelTemplate<Eigen::Matrix<double, -1, -1>, Eigen::LLT<Eigen::Matrix<double, -1, -1>>>::CalcPredPPFSA' requested here
 2931 |                                                         CalcPredPPFSA(cluster_i, gp_coords_mat_pred, predict_cov_mat,
      |                                                         ^
re_model.cpp:1048:19: note: in instantiation of member function 'GPBoost::REModelTemplate<Eigen::Matrix<double, -1, -1>, Eigen::LLT<Eigen::Matrix<double, -1, -1>>>::Predict' requested here
 1048 |                         re_model_den_->Predict(cov_pars_pred_trans.data(),
      |                                        ^
7 warnings generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c sparse_matrix_utils.cpp -o sparse_matrix_utils.o
In file included from sparse_matrix_utils.cpp:9:
In file included from ./include/GPBoost/sparse_matrix_utils.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:26:
In file included from ./include/Eigen/SparseCore:61:
./include/Eigen/src/SparseCore/TriangularSolver.h:273:13: warning: variable 'count' set but not used [-Wunused-but-set-variable]
  273 |       Index count = 0;
      |             ^
In file included from sparse_matrix_utils.cpp:9:
In file included from ./include/GPBoost/sparse_matrix_utils.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:29:
In file included from ./include/Eigen/SparseLU:35:
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:78:9: warning: variable 'nsuper_et_post' set but not used [-Wunused-but-set-variable]
   78 |   Index nsuper_et_post = 0; // Number of relaxed snodes in postordered etree 
      |         ^
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:79:9: warning: variable 'nsuper_et' set but not used [-Wunused-but-set-variable]
   79 |   Index nsuper_et = 0; // Number of relaxed snodes in the original etree 
      |         ^
In file included from sparse_matrix_utils.cpp:9:
In file included from ./include/GPBoost/sparse_matrix_utils.h:13:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
4 warnings generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c GP_utils.cpp -o GP_utils.o
In file included from GP_utils.cpp:9:
In file included from ./include/GPBoost/GP_utils.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:26:
In file included from ./include/Eigen/SparseCore:61:
./include/Eigen/src/SparseCore/TriangularSolver.h:273:13: warning: variable 'count' set but not used [-Wunused-but-set-variable]
  273 |       Index count = 0;
      |             ^
In file included from GP_utils.cpp:9:
In file included from ./include/GPBoost/GP_utils.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:29:
In file included from ./include/Eigen/SparseLU:35:
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:78:9: warning: variable 'nsuper_et_post' set but not used [-Wunused-but-set-variable]
   78 |   Index nsuper_et_post = 0; // Number of relaxed snodes in postordered etree 
      |         ^
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:79:9: warning: variable 'nsuper_et' set but not used [-Wunused-but-set-variable]
   79 |   Index nsuper_et = 0; // Number of relaxed snodes in the original etree 
      |         ^
In file included from GP_utils.cpp:9:
In file included from ./include/GPBoost/GP_utils.h:14:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
4 warnings generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c DF_utils.cpp -o DF_utils.o
In file included from DF_utils.cpp:10:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
1 warning generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c Vecchia_utils.cpp -o Vecchia_utils.o
In file included from Vecchia_utils.cpp:9:
In file included from ./include/GPBoost/Vecchia_utils.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:26:
In file included from ./include/Eigen/SparseCore:61:
./include/Eigen/src/SparseCore/TriangularSolver.h:273:13: warning: variable 'count' set but not used [-Wunused-but-set-variable]
  273 |       Index count = 0;
      |             ^
In file included from Vecchia_utils.cpp:9:
In file included from ./include/GPBoost/Vecchia_utils.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:29:
In file included from ./include/Eigen/SparseLU:35:
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:78:9: warning: variable 'nsuper_et_post' set but not used [-Wunused-but-set-variable]
   78 |   Index nsuper_et_post = 0; // Number of relaxed snodes in postordered etree 
      |         ^
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:79:9: warning: variable 'nsuper_et' set but not used [-Wunused-but-set-variable]
   79 |   Index nsuper_et = 0; // Number of relaxed snodes in the original etree 
      |         ^
In file included from Vecchia_utils.cpp:9:
In file included from ./include/GPBoost/Vecchia_utils.h:13:
In file included from ./include/GPBoost/re_comp.h:13:
In file included from ./include/GPBoost/cov_fcts.h:14:
In file included from ./include/GPBoost/sparse_matrix_utils.h:13:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
4 warnings generated.
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -pthread -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c CG_utils.cpp -o CG_utils.o
In file included from CG_utils.cpp:9:
In file included from ./include/GPBoost/CG_utils.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:26:
In file included from ./include/Eigen/SparseCore:61:
./include/Eigen/src/SparseCore/TriangularSolver.h:273:13: warning: variable 'count' set but not used [-Wunused-but-set-variable]
  273 |       Index count = 0;
      |             ^
In file included from CG_utils.cpp:9:
In file included from ./include/GPBoost/CG_utils.h:12:
In file included from ./include/GPBoost/type_defs.h:20:
In file included from ./include/Eigen/Sparse:29:
In file included from ./include/Eigen/SparseLU:35:
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:78:9: warning: variable 'nsuper_et_post' set but not used [-Wunused-but-set-variable]
   78 |   Index nsuper_et_post = 0; // Number of relaxed snodes in postordered etree 
      |         ^
./include/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h:79:9: warning: variable 'nsuper_et' set but not used [-Wunused-but-set-variable]
   79 |   Index nsuper_et = 0; // Number of relaxed snodes in the original etree 
      |         ^
In file included from CG_utils.cpp:9:
In file included from ./include/GPBoost/CG_utils.h:13:
In file included from ./include/GPBoost/re_comp.h:13:
In file included from ./include/GPBoost/cov_fcts.h:14:
In file included from ./include/GPBoost/sparse_matrix_utils.h:13:
./include/LightGBM/utils/log.h:19:9: warning: 'R_NO_REMAP' macro redefined [-Wmacro-redefined]
   19 | #define R_NO_REMAP
      |         ^
<command line>:9:9: note: previous definition is here
    9 | #define R_NO_REMAP 1
      |         ^
4 warnings generated.
clang-18  -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -c cs_spsolve.c -o cs_spsolve.o
clang-18  -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -c cs_reach.c -o cs_reach.o
clang-18  -I"/home/hornik/tmp/R/include" -DNDEBUG -I./include -DEIGEN_MPL2_ONLY -DMM_PREFETCH=1 -DMM_MALLOC=1 -DUSE_SOCKET -DLGB_R_BUILD  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -c cs_dfs.c -o cs_dfs.o
clang++-18 -std=gnu++17 -shared -L/home/hornik/tmp/R/lib -Wl,-O1 -o gpboost.so boosting/boosting.o boosting/gbdt.o boosting/gbdt_model_text.o boosting/gbdt_prediction.o boosting/prediction_early_stop.o io/bin.o io/config.o io/config_auto.o io/dataset.o io/dataset_loader.o io/file_io.o io/json11.o io/metadata.o io/parser.o io/train_share_states.o io/tree.o metric/dcg_calculator.o metric/metric.o objective/objective_function.o network/ifaddrs_patch.o network/linker_topo.o network/linkers_mpi.o network/linkers_socket.o network/network.o treelearner/data_parallel_tree_learner.o treelearner/feature_parallel_tree_learner.o treelearner/gpu_tree_learner.o treelearner/linear_tree_learner.o treelearner/serial_tree_learner.o treelearner/tree_learner.o treelearner/voting_parallel_tree_learner.o c_api.o gpboost_R.o re_model.o sparse_matrix_utils.o GP_utils.o DF_utils.o Vecchia_utils.o CG_utils.o cs_spsolve.o cs_reach.o cs_dfs.o -pthread -L/home/hornik/tmp/R/lib -lR
installing to /srv/hornik/tmp/CRAN/gpboost.Rcheck/00LOCK-gpboost/00new/gpboost/libs
** R
** data
** demo
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
*** copying figures
** 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 (gpboost)