* installing *source* package ‘Persistence’ ...
** this is package ‘Persistence’ version ‘0.1.0’
** using staged installation
** libs
using C++ compiler: ‘Debian clang version 19.1.7 (3)’
using C++20
clang++-19 -std=gnu++20 -I"/home/hornik/tmp/R/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator  -c louvainMethod.cpp -o louvainMethod.o
clang++-19 -std=gnu++20 -I"/home/hornik/tmp/R/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator  -c matriciCommunity.cpp -o matriciCommunity.o
clang++-19 -std=gnu++20 -I"/home/hornik/tmp/R/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator  -c random.cpp -o random.o
clang++-19 -std=gnu++20 -I"/home/hornik/tmp/R/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator  -c rwrapper.cpp -o rwrapper.o
clang++-19 -std=gnu++20 -I"/home/hornik/tmp/R/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -Wdeprecated-literal-operator  -c utilita.cpp -o utilita.o
clang++-19 -std=gnu++20 -shared -L/home/hornik/tmp/R/lib -Wl,-O1 -o Persistence.so louvainMethod.o matriciCommunity.o random.o rwrapper.o utilita.o -L/home/hornik/tmp/R/lib -lR
installing to /srv/hornik/tmp/CRAN_pretest/Persistence.Rcheck/00LOCK-Persistence/00new/Persistence/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 ‘Persistence’ in library.dynam(lib, package, package.lib):
 shared object ‘persistence.so’ not found
Error: loading failed
Execution halted
ERROR: loading failed
* removing ‘/srv/hornik/tmp/CRAN_pretest/Persistence.Rcheck/Persistence’