* installing *source* package ‘couplr’ ... ** this is package ‘couplr’ version ‘1.0.0’ ** using staged installation ** libs specified C++17 using C++ compiler: ‘Debian clang version 21.1.8 (1+b1)’ using C++17 clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c RcppExports.cpp -o RcppExports.o In file included from RcppExports.cpp:4: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include/RcppEigen.h:25: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include/RcppEigenForward.h:29: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include/Eigen/Sparse:26: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include/Eigen/SparseCore:61: /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/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 RcppExports.cpp:4: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include/RcppEigen.h:25: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include/RcppEigenForward.h:29: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include/Eigen/Sparse:29: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include/Eigen/SparseLU:35: /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/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 | ^ /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/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 RcppExports.cpp:4: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include/RcppEigen.h:25: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include/RcppEigenForward.h:31: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include/unsupported/Eigen/IterativeSolvers:46: /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include/unsupported/Eigen/src/IterativeSolvers/IDRS.h:72:10: warning: variable 'replacements' set but not used [-Wunused-but-set-variable] 72 | Index replacements = 0; | ^ In file included from RcppExports.cpp:4: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include/RcppEigen.h:25: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include/RcppEigenForward.h:37: In file included from /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include/unsupported/Eigen/SparseExtra:45: /home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include/unsupported/Eigen/src/SparseExtra/MarketIO.h:246:7: warning: variable 'count' set but not used [-Wunused-but-set-variable] 246 | int count = 0; | ^ 5 warnings generated. clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c rcpp_interface.cpp -o rcpp_interface.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c interface/prepare_cost_matrix.cpp -o interface/prepare_cost_matrix.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c core/lap_utils.cpp -o core/lap_utils.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/greedy_matching.cpp -o solvers/greedy_matching.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_auction.cpp -o solvers/solve_auction.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_bruteforce.cpp -o solvers/solve_bruteforce.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_cost_scaling.cpp -o solvers/solve_cost_scaling.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_csflow.cpp -o solvers/solve_csflow.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_cycle_cancel.cpp -o solvers/solve_cycle_cancel.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_hk01.cpp -o solvers/solve_hk01.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_hungarian.cpp -o solvers/solve_hungarian.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_jv.cpp -o solvers/solve_jv.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_kbest_lawler.cpp -o solvers/solve_kbest_lawler.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_line_metric.cpp -o solvers/solve_line_metric.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_murty.cpp -o solvers/solve_murty.o solvers/solve_murty.cpp:26:20: warning: unused function 'lower' [-Wunused-function] 26 | inline std::string lower(std::string s) { | ^~~~~ 1 warning generated. clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_ssap_bucket.cpp -o solvers/solve_ssap_bucket.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_ssp.cpp -o solvers/solve_ssp.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_lapmod.cpp -o solvers/solve_lapmod.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_bottleneck.cpp -o solvers/solve_bottleneck.o solvers/solve_bottleneck.cpp:26:18: warning: unused variable 'INF' [-Wunused-const-variable] 26 | constexpr double INF = std::numeric_limits::infinity(); | ^~~ 1 warning generated. clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_csa.cpp -o solvers/solve_csa.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_sinkhorn.cpp -o solvers/solve_sinkhorn.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_ramshaw_tarjan.cpp -o solvers/solve_ramshaw_tarjan.o solvers/solve_ramshaw_tarjan.cpp:190:11: warning: unused variable 'old_match' [-Wunused-variable] 190 | int old_match = col_to_row[cur_col]; | ^~~~~~~~~ 1 warning generated. clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_push_relabel.cpp -o solvers/solve_push_relabel.o solvers/solve_push_relabel.cpp:128:10: warning: variable 'total_cost' set but not used [-Wunused-but-set-variable] 128 | double total_cost = 0.0; | ^ 1 warning generated. clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/solve_jv_duals.cpp -o solvers/solve_jv_duals.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/orlin_ahuja/orlin_tests.cpp -o solvers/orlin_ahuja/orlin_tests.o In file included from solvers/orlin_ahuja/orlin_tests.cpp:10: solvers/orlin_ahuja/orlin_bidding.h:352:9: warning: unused variable 'no_progress' [-Wunused-variable] 352 | int no_progress = 0; | ^~~~~~~~~~~ 1 warning generated. clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c solvers/network_simplex/solve_network_simplex.cpp -o solvers/network_simplex/solve_network_simplex.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c gabow_tarjan/solve_gabow_tarjan.cpp -o gabow_tarjan/solve_gabow_tarjan.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c gabow_tarjan/utils_gabow_tarjan.cpp -o gabow_tarjan/utils_gabow_tarjan.o gabow_tarjan/utils_gabow_tarjan.cpp:981:13: warning: variable 'n_violations' set but not used [-Wunused-but-set-variable] 981 | int n_violations = 0; | ^ 1 warning generated. clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c morph/morph_pixel_level.cpp -o morph/morph_pixel_level.o clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DNDEBUG -DEIGEN_NO_DEBUG -DEIGEN_DONT_PARALLELIZE -I. -Icore -Iinterface -Isolvers -Igabow_tarjan -Imorph -Isolvers/orlin_ahuja -Isolvers/network_simplex -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.6/x86_64-linux-gnu/RcppEigen/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c morph/region_means.cpp -o morph/region_means.o clang++-21 -std=gnu++17 -shared -L/home/hornik/tmp/R/lib -Wl,-O1 -o couplr.so RcppExports.o rcpp_interface.o interface/prepare_cost_matrix.o core/lap_utils.o solvers/greedy_matching.o solvers/solve_auction.o solvers/solve_bruteforce.o solvers/solve_cost_scaling.o solvers/solve_csflow.o solvers/solve_cycle_cancel.o solvers/solve_hk01.o solvers/solve_hungarian.o solvers/solve_jv.o solvers/solve_kbest_lawler.o solvers/solve_line_metric.o solvers/solve_murty.o solvers/solve_ssap_bucket.o solvers/solve_ssp.o solvers/solve_lapmod.o solvers/solve_bottleneck.o solvers/solve_csa.o solvers/solve_sinkhorn.o solvers/solve_ramshaw_tarjan.o solvers/solve_push_relabel.o solvers/solve_jv_duals.o solvers/orlin_ahuja/orlin_tests.o solvers/network_simplex/solve_network_simplex.o gabow_tarjan/solve_gabow_tarjan.o gabow_tarjan/utils_gabow_tarjan.o morph/morph_pixel_level.o morph/region_means.o -L/home/hornik/tmp/R/lib -lR installing to /srv/hornik/tmp/CRAN_pretest/couplr.Rcheck/00LOCK-couplr/00new/couplr/libs ** R ** data *** moving datasets to lazyload DB ** inst ** byte-compile and prepare package for lazy loading ** help *** installing help indices ** building package indices ** installing vignettes ** 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 (couplr)