* installing to library ‘/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages’
* installing *source* package ‘rayrender’ ...
** package ‘rayrender’ successfully unpacked and MD5 sums checked
** using staged installation
checking for gcc... clang-18
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether the compiler supports GNU C... yes
checking whether clang-18 accepts -g... yes
checking for clang-18 option to enable C11 features... none needed
checking how to run the C preprocessor... clang-18 -E
checking whether the compiler supports GNU C++... yes
checking whether clang++-18 accepts -g... yes
checking for clang++-18 option to enable C++11 features... none needed
checking how to run the C++ preprocessor... clang++-18 -E
checking for X... libraries , headers 
configure: creating ./config.status
config.status: creating src/Makevars

  --------------------------------------------------
  Configuration for  

    cppflags: -I/usr/local/include -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11
    libs:      -lX11 
    includes: 

  --------------------------------------------------

** libs
using C++ compiler: ‘Debian clang version 18.1.4 (1)’
using C++17
make[1]: Entering directory '/tmp/RtmpHYz6JC/R.INSTALL1a06c02075e15e/rayrender/src'
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c PreviewDisplay.cpp -o PreviewDisplay.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c RayMatrix.cpp -o RayMatrix.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c RcppExports.cpp -o RcppExports.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c aabb.cpp -o aabb.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c adaptivesampler.cpp -o adaptivesampler.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c animatedtransform.cpp -o animatedtransform.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c box.cpp -o box.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c buildscene.cpp -o buildscene.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c bvh_node.cpp -o bvh_node.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c camera.cpp -o camera.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c color.cpp -o color.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c constant.cpp -o constant.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c csg.cpp -o csg.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c curve.cpp -o curve.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c cylinder.cpp -o cylinder.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c debug.cpp -o debug.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c define_functions.cpp -o define_functions.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c disk.cpp -o disk.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c distributions.cpp -o distributions.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c ellipsoid.cpp -o ellipsoid.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c filter.cpp -o filter.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c hitable.cpp -o hitable.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c hitablelist.cpp -o hitablelist.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c infinite_area_light.cpp -o infinite_area_light.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c integrator.cpp -o integrator.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c material.cpp -o material.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c matrix.cpp -o matrix.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c mesh3d.cpp -o mesh3d.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c microfacetdist.cpp -o microfacetdist.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c miniply.cpp -o miniply.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c my_new.cpp -o my_new.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c pdf.cpp -o pdf.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c perlin.cpp -o perlin.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c plymesh.cpp -o plymesh.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c quaternion.cpp -o quaternion.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c ray.cpp -o ray.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c raymesh.cpp -o raymesh.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c rectangle.cpp -o rectangle.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c render_animation_rcpp.cpp -o render_animation_rcpp.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c render_scene_rcpp.cpp -o render_scene_rcpp.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c rng.cpp -o rng.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c sampler.cpp -o sampler.o
sampler.cpp:212:31: warning: implicit conversion from 'unsigned int' to 'Float' (aka 'float') changes value from 4294967295 to 4294967296 [-Wimplicit-const-int-float-conversion]
  212 |   pixelseed = rng.unif_rand()*std::numeric_limits<unsigned int>::max();
      |                              ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c scenerenderer.cpp -o scenerenderer.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c sphere.cpp -o sphere.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c texture.cpp -o texture.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c tonemap.cpp -o tonemap.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c transform.cpp -o transform.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c transformcache.cpp -o transformcache.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c triangle.cpp -o triangle.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c trianglemesh.cpp -o trianglemesh.o
In file included from trianglemesh.cpp:6:
In file included from ./tinyobj/tiny_obj_loader.h:660:
./tinyobj/earcut.hpp:264:9: warning: variable 'iterations' set but not used [-Wunused-but-set-variable]
  264 |     int iterations = 0;
      |         ^
trianglemesh.cpp:193:11: warning: unused variable 'illum' [-Wunused-variable]
  193 |       int illum = Rcpp::as<int>(single_material["illum"]);
      |           ^~~~~
2 warnings generated.
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppThread/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/progress/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/spacefillr/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -D RAY_REPRODUCE_PERLIN -DSTRICT_R_HEADERS -DRAY_HAS_X11 -fpic  -g -O3 -Wall -pedantic  -c trimesh.cpp -o trimesh.o
clang++-18 -std=gnu++17 -shared -L/home/hornik/tmp/R.check/r-devel-clang/Work/build/lib -Wl,-O1 -o rayrender.so PreviewDisplay.o RayMatrix.o RcppExports.o aabb.o adaptivesampler.o animatedtransform.o box.o buildscene.o bvh_node.o camera.o color.o constant.o csg.o curve.o cylinder.o debug.o define_functions.o disk.o distributions.o ellipsoid.o filter.o hitable.o hitablelist.o infinite_area_light.o integrator.o material.o matrix.o mesh3d.o microfacetdist.o miniply.o my_new.o pdf.o perlin.o plymesh.o quaternion.o ray.o raymesh.o rectangle.o render_animation_rcpp.o render_scene_rcpp.o rng.o sampler.o scenerenderer.o sphere.o texture.o tonemap.o transform.o transformcache.o triangle.o trianglemesh.o trimesh.o -lX11 -L/home/hornik/tmp/R.check/r-devel-clang/Work/build/lib -lR
make[1]: Leaving directory '/tmp/RtmpHYz6JC/R.INSTALL1a06c02075e15e/rayrender/src'
make[1]: Entering directory '/tmp/RtmpHYz6JC/R.INSTALL1a06c02075e15e/rayrender/src'
make[1]: Leaving directory '/tmp/RtmpHYz6JC/R.INSTALL1a06c02075e15e/rayrender/src'
installing to /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/00LOCK-rayrender/00new/rayrender/libs
** R
** inst
** 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
** 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 (rayrender)