* installing to library ‘/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages’ * installing *source* package ‘SurvivalClusteringTree’ ... ** package ‘SurvivalClusteringTree’ successfully unpacked and MD5 sums checked ** using staged installation ** libs using C++ compiler: ‘g++-13 (Debian 13.2.0-24) 13.2.0’ make[1]: Entering directory '/tmp/RtmpPHIXGW/R.INSTALL137f052cc587af/SurvivalClusteringTree/src' g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3 -fpic -g -O2 -Wall -pedantic -mtune=native -c RcppExports.cpp -o RcppExports.o g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3 -fpic -g -O2 -Wall -pedantic -mtune=native -c find_best_split_cox_bone.cpp -o find_best_split_cox_bone.o find_best_split_cox_bone.cpp: In function ‘Rcpp::List find_best_split_cox_bone(arma::vec, arma::uvec, arma::mat, arma::mat, arma::vec, double, int)’: find_best_split_cox_bone.cpp:65:14: warning: comparison of integer expressions of different signedness: ‘int’ and ‘arma::uword’ {aka ‘unsigned int’} [-Wsign-compare] 65 | for(jj=0;jj