* installing to library ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages’ * installing *source* package ‘eFCM’ ... ** this is package ‘eFCM’ version ‘1.0’ ** package ‘eFCM’ successfully unpacked and MD5 sums checked ** using staged installation ** libs using C++ compiler: ‘g++-15 (Debian 15.2.0-4) 15.2.0’ make[1]: Entering directory '/tmp/Rtmpxb6VBr/R.INSTALL10ec62395aa30e/eFCM/src' g++-15 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I'/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3 -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c RcppExports.cpp -o RcppExports.o g++-15 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I'/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3 -fopenmp -fpic -g -O2 -Wall -pedantic -mtune=native -c functions.cpp -o functions.o functions.cpp: In function ‘arma::vec qF1(const arma::vec&, const arma::vec&)’: functions.cpp:102:21: warning: comparison of integer expressions of different signedness: ‘int’ and ‘arma::uword’ {aka ‘unsigned int’} [-Wsign-compare] 102 | for(int i = 0; i < u.size(); i+=1){ | ~~^~~~~~~~~~ functions.cpp: In function ‘arma::vec dF1(const arma::vec&, const arma::vec&, const bool&)’: functions.cpp:389:21: warning: comparison of integer expressions of different signedness: ‘int’ and ‘arma::uword’ {aka ‘unsigned int’} [-Wsign-compare] 389 | for(int i =0; i