* installing *source* package ‘fastcluster’ ...
** using staged installation
** libs
using C++ compiler: ‘Debian clang version 17.0.6 (3)’
clang++-17  -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-17/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -c fastcluster_R.cpp -o fastcluster_R.o
In file included from fastcluster_R.cpp:24:
./fastcluster.cpp:53:9: warning: Use fenv header. [-W#pragma-messages]
   53 | #pragma message("Use fenv header.")
      |         ^
./fastcluster.cpp:63:9: warning: unknown pragma ignored [-Wunknown-pragmas]
   63 | #pragma messag("If there is a warning about unknown #pragma STDC FENV_ACCESS, this can be ignored.")
      |         ^
2 warnings generated.
clang++-17 -std=gnu++17 -shared -L/home/hornik/tmp/R-d-clang-17/lib -Wl,-O1 -o fastcluster.so fastcluster_R.o -L/home/hornik/tmp/R-d-clang-17/lib -lR
installing to /srv/hornik/tmp/CRAN/fastcluster.Rcheck/00LOCK-fastcluster/00new/fastcluster/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 (fastcluster)