* installing to library ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages’ * installing *source* package ‘cheddar’ ... ** package ‘cheddar’ successfully unpacked and MD5 sums checked ** using staged installation ** libs using C++ compiler: ‘g++-13 (Debian 13.2.0-23) 13.2.0’ make[1]: Entering directory '/home/hornik/tmp/scratch/RtmpNHkisY/R.INSTALLc14ce458f02b5/cheddar/src' g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I/usr/local/include -D_FORTIFY_SOURCE=3 -fpic -g -O2 -Wall -pedantic -mtune=native -c anneal.cpp -o anneal.o g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I/usr/local/include -D_FORTIFY_SOURCE=3 -fpic -g -O2 -Wall -pedantic -mtune=native -c cheddar.cpp -o cheddar.o g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I/usr/local/include -D_FORTIFY_SOURCE=3 -fpic -g -O2 -Wall -pedantic -mtune=native -c shortest_paths.cpp -o shortest_paths.o g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -I/usr/local/include -D_FORTIFY_SOURCE=3 -fpic -g -O2 -Wall -pedantic -mtune=native -c trophic_chains.cpp -o trophic_chains.o trophic_chains.cpp: In instantiation of ‘void TrophicChains::visit(Visitor&) const [with Visitor = CollectChainLengthsVisitor]’: trophic_chains.cpp:349:17: required from here trophic_chains.cpp:92:22: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector >::size_type’ {aka ‘long unsigned int’} [-Wsign-compare] 92 | for(int n = 0; n < adjacency_.size(); ++n) | ~~^~~~~~~~~~~~~~~~~~~ trophic_chains.cpp:128:25: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector::size_type’ {aka ‘long unsigned int’} [-Wsign-compare] 128 | for(int j=0; j::visit(Visitor&) const [with Visitor = PrintChainsVisitor]’: trophic_chains.cpp:412:17: required from here trophic_chains.cpp:92:22: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector >::size_type’ {aka ‘long unsigned int’} [-Wsign-compare] 92 | for(int n = 0; n < adjacency_.size(); ++n) | ~~^~~~~~~~~~~~~~~~~~~ trophic_chains.cpp:128:25: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector::size_type’ {aka ‘long unsigned int’} [-Wsign-compare] 128 | for(int j=0; j::visit(Visitor&) const [with Visitor = CollectChainsVisitor]’: trophic_chains.cpp:480:17: required from here trophic_chains.cpp:92:22: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector >::size_type’ {aka ‘long unsigned int’} [-Wsign-compare] 92 | for(int n = 0; n < adjacency_.size(); ++n) | ~~^~~~~~~~~~~~~~~~~~~ trophic_chains.cpp:128:25: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector::size_type’ {aka ‘long unsigned int’} [-Wsign-compare] 128 | for(int j=0; j::visit(Visitor&) const [with Visitor = ChainStatsVisitor]’: trophic_chains.cpp:552:17: required from here trophic_chains.cpp:92:22: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector >::size_type’ {aka ‘long unsigned int’} [-Wsign-compare] 92 | for(int n = 0; n < adjacency_.size(); ++n) | ~~^~~~~~~~~~~~~~~~~~~ trophic_chains.cpp:128:25: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector::size_type’ {aka ‘long unsigned int’} [-Wsign-compare] 128 | for(int j=0; j