* installing to library ‘/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages’
* installing *source* package ‘fastcluster’ ...
** package ‘fastcluster’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C++ compiler: ‘Debian clang version 18.1.4 (1)’
make[1]: Entering directory '/tmp/RtmpLv1YUB/R.INSTALL2fa5a346482fbf/fastcluster/src'
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG   -I/usr/local/include -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++-18 -std=gnu++17 -shared -L/home/hornik/tmp/R.check/r-devel-clang/Work/build/lib -Wl,-O1 -o fastcluster.so fastcluster_R.o -L/home/hornik/tmp/R.check/r-devel-clang/Work/build/lib -lR
make[1]: Leaving directory '/tmp/RtmpLv1YUB/R.INSTALL2fa5a346482fbf/fastcluster/src'
make[1]: Entering directory '/tmp/RtmpLv1YUB/R.INSTALL2fa5a346482fbf/fastcluster/src'
make[1]: Leaving directory '/tmp/RtmpLv1YUB/R.INSTALL2fa5a346482fbf/fastcluster/src'
installing to /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/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
* creating tarball
packaged installation of ‘fastcluster’ as ‘fastcluster_1.2.6_R_x86_64-pc-linux-gnu.tar.gz’
* DONE (fastcluster)