* installing *source* package ‘pegs’ ... ** this is package ‘pegs’ version ‘0.1’ ** using staged installation ** libs using C++ compiler: ‘Debian clang version 21.1.5 (1)’ clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-21/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 PEGS_lapack.cpp -o PEGS_lapack.o clang++-21 -std=gnu++17 -shared -L/home/hornik/tmp/R-d-clang-21/lib -Wl,-O1 -o pegs.so PEGS_lapack.o -L/home/hornik/tmp/R-d-clang-21/lib -lR installing to /srv/hornik/tmp/CRAN_pretest/pegs.Rcheck/00LOCK-pegs/00new/pegs/libs ** R ** data ** 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 ‘pegs’ in dyn.load(file, DLLpath = DLLpath, ...): unable to load shared object '/srv/hornik/tmp/CRAN_pretest/pegs.Rcheck/00LOCK-pegs/00new/pegs/libs/pegs.so': /srv/hornik/tmp/CRAN_pretest/pegs.Rcheck/00LOCK-pegs/00new/pegs/libs/pegs.so: undefined symbol: dpotrf_ Error: loading failed Execution halted ERROR: loading failed * removing ‘/srv/hornik/tmp/CRAN_pretest/pegs.Rcheck/pegs’