* installing *source* package ‘webp’ ...
** using staged installation
Found pkg-config cflags and libs!
Using PKG_CFLAGS=
Using PKG_LIBS=-lwebp 
** libs
using C compiler: ‘Debian clang version 16.0.6 (15)’
clang-16  -I"/home/hornik/tmp/R/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -c register.c -o register.o
clang-16  -I"/home/hornik/tmp/R/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -c webp.c -o webp.o
clang-16 -shared -L/home/hornik/tmp/R/lib -Wl,-O1 -o webp.so register.o webp.o -lwebp -L/home/hornik/tmp/R/lib -lR
installing to /srv/hornik/tmp/CRAN/webp.Rcheck/00LOCK-webp/00new/webp/libs
** R
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
*** copying figures
** 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 (webp)