* installing *source* package ‘Signac’ ... ** package ‘Signac’ successfully unpacked and MD5 sums checked ** using staged installation ** libs using C++ compiler: ‘g++-13 (GCC) 13.2.0’ make[1]: Entering directory '/data/gannet/ripley/R/packages/tests-devel/Signac/src' g++-13 -std=gnu++17 -I"/data/gannet/ripley/R/R-devel/include" -DNDEBUG -I'/data/gannet/ripley/R/test-dev/Rcpp/include' -I/usr/local/include -fpic -g -O2 -Wall -pedantic -mtune=native -Wno-ignored-attributes -Wno-parentheses -Wp,-D_FORTIFY_SOURCE=3 -fexceptions -fstack-protector-strong -fstack-clash-protection -fcf-protection -c RcppExports.cpp -o RcppExports.o g++-13 -std=gnu++17 -I"/data/gannet/ripley/R/R-devel/include" -DNDEBUG -I'/data/gannet/ripley/R/test-dev/Rcpp/include' -I/usr/local/include -fpic -g -O2 -Wall -pedantic -mtune=native -Wno-ignored-attributes -Wno-parentheses -Wp,-D_FORTIFY_SOURCE=3 -fexceptions -fstack-protector-strong -fstack-clash-protection -fcf-protection -c filter.cpp -o filter.o g++-13 -std=gnu++17 -I"/data/gannet/ripley/R/R-devel/include" -DNDEBUG -I'/data/gannet/ripley/R/test-dev/Rcpp/include' -I/usr/local/include -fpic -g -O2 -Wall -pedantic -mtune=native -Wno-ignored-attributes -Wno-parentheses -Wp,-D_FORTIFY_SOURCE=3 -fexceptions -fstack-protector-strong -fstack-clash-protection -fcf-protection -c group.cpp -o group.o group.cpp: In function 'SEXPREC* groupCommand(std::string, Rcpp::Nullable >, std::size_t, bool)': group.cpp:40:23: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'R_xlen_t' {aka 'long int'} [-Wsign-compare] 40 | for (size_t i=0; i