* installing *source* package ‘V8’ ...
** using staged installation
Found C++20 compiler: clang++-18
Using CXXCPP=clang++-18 -std=gnu++20 -E
Using PKG_CFLAGS=-I/usr/include/v8
Using PKG_LIBS=-lv8 -lv8_libplatform
Running feature test for pointer compression...
Pointer compression not needed
** libs
using C++ compiler: ‘Debian clang version 18.1.8 (12)’
using C++20
rm -f V8.so RcppExports.o bindings.o
clang++-18  -std=gnu++20 -I"/home/hornik/tmp/R-d-clang-18/include" -DNDEBUG -I/usr/include/v8 -DV8_ENABLE_CHECKS -DISNODEJS=11.3.244.8-node.23 -I'/home/hornik/lib/R/Library/4.5/x86_64-linux-gnu/Rcpp/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -DSTRICT_R_HEADERS=1 -fvisibility=hidden -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c RcppExports.cpp -o RcppExports.o
clang++-18  -std=gnu++20 -I"/home/hornik/tmp/R-d-clang-18/include" -DNDEBUG -I/usr/include/v8 -DV8_ENABLE_CHECKS -DISNODEJS=11.3.244.8-node.23 -I'/home/hornik/lib/R/Library/4.5/x86_64-linux-gnu/Rcpp/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -DSTRICT_R_HEADERS=1 -fvisibility=hidden -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c bindings.cpp -o bindings.o
clang++-18 -std=gnu++20 -shared -L/home/hornik/tmp/R-d-clang-18/lib -Wl,-O1 -o V8.so RcppExports.o bindings.o -lv8 -lv8_libplatform -L/home/hornik/tmp/R-d-clang-18/lib -lR
installing to /srv/hornik/tmp/CRAN_pretest/V8.Rcheck/00LOCK-V8/00new/V8/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 (V8)