* installing *source* package ‘systemfonts’ ...
** using staged installation
Found pkg-config cflags and libs!
Using PKG_CFLAGS=-I/usr/include/freetype2 -I/usr/include/libpng16 
Using PKG_LIBS=-lfontconfig -lfreetype 
** libs
using C++ compiler: ‘Debian clang version 16.0.6 (15)’
using C++11
rm -f systemfonts.so caches.o cpp11.o dev_metrics.o font_matching.o font_registry.o ft_cache.o string_shape.o font_metrics.o font_fallback.o string_metrics.o emoji.o cache_store.o init.o unix/FontManagerLinux.o
clang++-16  -std=gnu++11 -I"/home/hornik/tmp/R-d-clang-16/include" -DNDEBUG -I/usr/include/freetype2 -I/usr/include/libpng16  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/cpp11/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-error=enum-constexpr-conversion -c caches.cpp -o caches.o
clang++-16  -std=gnu++11 -I"/home/hornik/tmp/R-d-clang-16/include" -DNDEBUG -I/usr/include/freetype2 -I/usr/include/libpng16  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/cpp11/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-error=enum-constexpr-conversion -c cpp11.cpp -o cpp11.o
clang++-16  -std=gnu++11 -I"/home/hornik/tmp/R-d-clang-16/include" -DNDEBUG -I/usr/include/freetype2 -I/usr/include/libpng16  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/cpp11/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-error=enum-constexpr-conversion -c dev_metrics.cpp -o dev_metrics.o
clang++-16  -std=gnu++11 -I"/home/hornik/tmp/R-d-clang-16/include" -DNDEBUG -I/usr/include/freetype2 -I/usr/include/libpng16  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/cpp11/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-error=enum-constexpr-conversion -c font_matching.cpp -o font_matching.o
clang++-16  -std=gnu++11 -I"/home/hornik/tmp/R-d-clang-16/include" -DNDEBUG -I/usr/include/freetype2 -I/usr/include/libpng16  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/cpp11/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-error=enum-constexpr-conversion -c font_registry.cpp -o font_registry.o
clang++-16  -std=gnu++11 -I"/home/hornik/tmp/R-d-clang-16/include" -DNDEBUG -I/usr/include/freetype2 -I/usr/include/libpng16  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/cpp11/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-error=enum-constexpr-conversion -c ft_cache.cpp -o ft_cache.o
clang++-16  -std=gnu++11 -I"/home/hornik/tmp/R-d-clang-16/include" -DNDEBUG -I/usr/include/freetype2 -I/usr/include/libpng16  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/cpp11/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-error=enum-constexpr-conversion -c string_shape.cpp -o string_shape.o
clang++-16  -std=gnu++11 -I"/home/hornik/tmp/R-d-clang-16/include" -DNDEBUG -I/usr/include/freetype2 -I/usr/include/libpng16  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/cpp11/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-error=enum-constexpr-conversion -c font_metrics.cpp -o font_metrics.o
clang++-16  -std=gnu++11 -I"/home/hornik/tmp/R-d-clang-16/include" -DNDEBUG -I/usr/include/freetype2 -I/usr/include/libpng16  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/cpp11/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-error=enum-constexpr-conversion -c font_fallback.cpp -o font_fallback.o
clang++-16  -std=gnu++11 -I"/home/hornik/tmp/R-d-clang-16/include" -DNDEBUG -I/usr/include/freetype2 -I/usr/include/libpng16  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/cpp11/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-error=enum-constexpr-conversion -c string_metrics.cpp -o string_metrics.o
clang++-16  -std=gnu++11 -I"/home/hornik/tmp/R-d-clang-16/include" -DNDEBUG -I/usr/include/freetype2 -I/usr/include/libpng16  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/cpp11/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-error=enum-constexpr-conversion -c emoji.cpp -o emoji.o
clang++-16  -std=gnu++11 -I"/home/hornik/tmp/R-d-clang-16/include" -DNDEBUG -I/usr/include/freetype2 -I/usr/include/libpng16  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/cpp11/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-error=enum-constexpr-conversion -c cache_store.cpp -o cache_store.o
clang++-16  -std=gnu++11 -I"/home/hornik/tmp/R-d-clang-16/include" -DNDEBUG -I/usr/include/freetype2 -I/usr/include/libpng16  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/cpp11/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-error=enum-constexpr-conversion -c init.cpp -o init.o
clang++-16  -std=gnu++11 -I"/home/hornik/tmp/R-d-clang-16/include" -DNDEBUG -I/usr/include/freetype2 -I/usr/include/libpng16  -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/cpp11/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-error=enum-constexpr-conversion -c unix/FontManagerLinux.cpp -o unix/FontManagerLinux.o
clang++-16 -std=gnu++11 -shared -L/home/hornik/tmp/R-d-clang-16/lib -Wl,-O1 -o systemfonts.so caches.o cpp11.o dev_metrics.o font_matching.o font_registry.o ft_cache.o string_shape.o font_metrics.o font_fallback.o string_metrics.o emoji.o cache_store.o init.o unix/FontManagerLinux.o -lfontconfig -lfreetype -L/home/hornik/tmp/R-d-clang-16/lib -lR
installing to /srv/hornik/tmp/CRAN/systemfonts.Rcheck/00LOCK-systemfonts/00new/systemfonts/libs
** R
** 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 (systemfonts)