* installing *source* package ‘raybevel’ ...
** using staged installation
** libs
using C++ compiler: ‘Debian clang version 17.0.6 (5)’
clang++-17  -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-17/include" -DNDEBUG  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/BH/include' -I'/srv/hornik/tmp/CRAN/Library/RcppCGAL/include' -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/progress/include' -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/RcppThread/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3  -DCGAL_NO_GMP=1 -I../inst/include -fpic  -g -O3 -Wall -pedantic  -c RcppExports.cpp -o RcppExports.o
clang++-17  -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-17/include" -DNDEBUG  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/BH/include' -I'/srv/hornik/tmp/CRAN/Library/RcppCGAL/include' -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/progress/include' -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/RcppThread/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3  -DCGAL_NO_GMP=1 -I../inst/include -fpic  -g -O3 -Wall -pedantic  -c convert_ss_to_polygons_rcpp.cpp -o convert_ss_to_polygons_rcpp.o
clang++-17  -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-17/include" -DNDEBUG  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/BH/include' -I'/srv/hornik/tmp/CRAN/Library/RcppCGAL/include' -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/progress/include' -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/RcppThread/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3  -DCGAL_NO_GMP=1 -I../inst/include -fpic  -g -O3 -Wall -pedantic  -c generate_offset_links_nodes_rcpp.cpp -o generate_offset_links_nodes_rcpp.o
generate_offset_links_nodes_rcpp.cpp:237:14: warning: unused variable 'remaining_links_count' [-Wunused-variable]
  237 |       size_t remaining_links_count = std::count_if(visited.begin(), visited.end(), [](bool l) { return !l; });
      |              ^~~~~~~~~~~~~~~~~~~~~
1 warning generated.
clang++-17  -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-17/include" -DNDEBUG  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/BH/include' -I'/srv/hornik/tmp/CRAN/Library/RcppCGAL/include' -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/progress/include' -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/RcppThread/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3  -DCGAL_NO_GMP=1 -I../inst/include -fpic  -g -O3 -Wall -pedantic  -c math.cpp -o math.o
clang++-17  -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-17/include" -DNDEBUG  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/BH/include' -I'/srv/hornik/tmp/CRAN/Library/RcppCGAL/include' -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/progress/include' -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/RcppThread/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3  -DCGAL_NO_GMP=1 -I../inst/include -fpic  -g -O3 -Wall -pedantic  -c rayskeleton.cpp -o rayskeleton.o
rayskeleton.cpp:124:10: warning: unused variable 'lOffset' [-Wunused-variable]
  124 |   double lOffset = offset ;
      |          ^~~~~~~
rayskeleton.cpp:126:7: warning: unused variable 'contours' [-Wunused-variable]
  126 |   int contours = 0;
      |       ^~~~~~~~
2 warnings generated.
clang++-17 -std=gnu++17 -shared -L/home/hornik/tmp/R-d-clang-17/lib -Wl,-O1 -o raybevel.so RcppExports.o convert_ss_to_polygons_rcpp.o generate_offset_links_nodes_rcpp.o math.o rayskeleton.o -L/home/hornik/tmp/R-d-clang-17/lib -lR
installing to /srv/hornik/tmp/CRAN/raybevel.Rcheck/00LOCK-raybevel/00new/raybevel/libs
** R
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
Error: package or namespace load failed for ‘raybevel’ in dyn.load(file, DLLpath = DLLpath, ...):
 unable to load shared object '/srv/hornik/tmp/CRAN/raybevel.Rcheck/00LOCK-raybevel/00new/raybevel/libs/raybevel.so':
  /srv/hornik/tmp/CRAN/raybevel.Rcheck/00LOCK-raybevel/00new/raybevel/libs/raybevel.so: undefined symbol: __atomic_compare_exchange
Error: loading failed
Execution halted
ERROR: loading failed
* removing ‘/srv/hornik/tmp/CRAN/raybevel.Rcheck/raybevel’