* installing *source* package ‘npsp’ ...
** using staged installation
** libs
using C compiler: ‘Debian clang version 17.0.6 (5)’
using Fortran compiler: ‘Debian flang-new version 17.0.6 (5)’
flang-new-17 -g -O2 -Wall -std=f2008 -fpic  -g -O2 -Wall -c  tql2.f90 -o tql2.o
flang-new: warning: argument unused during compilation: '-Wall'
flang-new: warning: argument unused during compilation: '-Wall'
error: Only -std=f2018 is allowed currently.
make: *** [/home/hornik/tmp/R-d-clang-17/etc/Makeconf:219: tql2.o] Error 1
ERROR: compilation failed for package ‘npsp’
* removing ‘/srv/hornik/tmp/CRAN/npsp.Rcheck/npsp’