* installing *source* package ‘polyclip’ ... ** using staged installation 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 we are using the GNU C++ compiler... yes checking whether clang++-18 -std=gnu++17 accepts -g... yes Using PKG_CONFIG: pkgconf Compiling against bundled copy of clipper library. checking for int64_t... yes In the clipper library, signed 64-bit integers (cInt) will be declared as 'int64_t' checking for uint64_t... yes In the clipper library, unsigned 64-bit integers (cUInt) will be declared as 'uint64_t' configure: creating ./config.status config.status: creating src/Makevars ** libs using C compiler: ‘Debian clang version 18.1.8 (3)’ using C++ compiler: ‘Debian clang version 18.1.8 (3)’ clang-18 -I"/home/hornik/tmp/R/include" -DNDEBUG -DPOLYCLIP_LONG64="int64_t" -DPOLYCLIP_ULONG64="uint64_t" -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c init.c -o init.o clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DPOLYCLIP_LONG64="int64_t" -DPOLYCLIP_ULONG64="uint64_t" -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -g -O3 -Wall -pedantic -fpic -g -O3 -Wall -pedantic -DR_NO_REMAP -c interface.cpp -o interface.o clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -DPOLYCLIP_LONG64="int64_t" -DPOLYCLIP_ULONG64="uint64_t" -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -g -O3 -Wall -pedantic -fpic -g -O3 -Wall -pedantic -DR_NO_REMAP -c clipper.cpp -o clipper.o clang++-18 -std=gnu++17 -shared -L/home/hornik/tmp/R/lib -Wl,-O1 -o polyclip.so init.o interface.o clipper.o -L/home/hornik/tmp/R/lib -lR installing to /srv/hornik/tmp/CRAN/polyclip.Rcheck/00LOCK-polyclip/00new/polyclip/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 ** 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 (polyclip)