* installing *source* package ‘nloptr’ ... ** 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 the compiler supports GNU C++... yes checking whether clang++-18 -std=gnu++17 accepts -g... yes checking for clang++-18 -std=gnu++17 option to enable C++11 features... none needed checking how to run the C++ preprocessor... clang++-18 -std=gnu++17 -E checking whether the compiler supports GNU C++... (cached) yes checking whether clang++-18 -std=gnu++17 accepts -g... (cached) yes checking for clang++-18 -std=gnu++17 option to enable C++11 features... (cached) none needed checking for pkg-config... /usr/bin/pkg-config checking if pkg-config knows NLopt... yes checking for pkg-config checking NLopt version... >= 2.7.0 configure: creating ./config.status config.status: creating src/Makevars ** libs using C compiler: ‘Debian clang version 18.1.6 (1)’ using C++ compiler: ‘Debian clang version 18.1.6 (1)’ clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG -I../inst/include -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -DR_NO_REMAP -c dummy.cpp -o dummy.o clang-18 -I"/home/hornik/tmp/R/include" -DNDEBUG -I../inst/include -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c init_nloptr.c -o init_nloptr.o clang-18 -I"/home/hornik/tmp/R/include" -DNDEBUG -I../inst/include -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -fpic -g -O3 -Wall -pedantic -c nloptr.c -o nloptr.o clang++-18 -std=gnu++17 -shared -L/home/hornik/tmp/R/lib -Wl,-O1 -o nloptr.so dummy.o init_nloptr.o nloptr.o -llapack -L/home/hornik/tmp/R/lib -lRblas -L/usr/lib/llvm-18/lib -lFortran_main -lFortranRuntime -lFortranDecimal -lm -lnlopt -L/home/hornik/tmp/R/lib -lR installing to /srv/hornik/tmp/CRAN/nloptr.Rcheck/00LOCK-nloptr/00new/nloptr/libs ** R ** inst ** byte-compile and prepare package for lazy loading ** help *** installing help indices *** copying figures ** 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 (nloptr)