* installing *source* package ‘grpnet’ ...
** using staged installation
** libs
using C compiler: ‘Debian clang version 16.0.6 (3)’
using Fortran compiler: ‘GNU Fortran (Debian 12.3.0-4) 12.3.0’
gfortran  -fpic  -g -O2 -Wall -mtune=native -c  grpnet_binomial.f90 -o grpnet_binomial.o
gfortran  -fpic  -g -O2 -Wall -mtune=native -c  grpnet_gamma.f90 -o grpnet_gamma.o
gfortran  -fpic  -g -O2 -Wall -mtune=native -c  grpnet_gaussian.f90 -o grpnet_gaussian.o
clang-16  -I"/home/hornik/tmp/R-d-clang-16/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -c grpnet_init.c -o grpnet_init.o
gfortran  -fpic  -g -O2 -Wall -mtune=native -c  grpnet_invgaus.f90 -o grpnet_invgaus.o
gfortran  -fpic  -g -O2 -Wall -mtune=native -c  grpnet_maxeigval.f90 -o grpnet_maxeigval.o
gfortran  -fpic  -g -O2 -Wall -mtune=native -c  grpnet_multinom.f90 -o grpnet_multinom.o
gfortran  -fpic  -g -O2 -Wall -mtune=native -c  grpnet_negbin.f90 -o grpnet_negbin.o
gfortran  -fpic  -g -O2 -Wall -mtune=native -c  grpnet_penalty.f90 -o grpnet_penalty.o
gfortran  -fpic  -g -O2 -Wall -mtune=native -c  grpnet_poisson.f90 -o grpnet_poisson.o
clang-16 -shared -L/home/hornik/tmp/R-d-clang-16/lib -Wl,-O1 -o grpnet.so grpnet_binomial.o grpnet_gamma.o grpnet_gaussian.o grpnet_init.o grpnet_invgaus.o grpnet_maxeigval.o grpnet_multinom.o grpnet_negbin.o grpnet_penalty.o grpnet_poisson.o -L/usr/lib/gcc/x86_64-linux-gnu/12 -lgfortran -lm -lquadmath -L/home/hornik/tmp/R-d-clang-16/lib -lR
installing to /srv/hornik/tmp/CRAN/grpnet.Rcheck/00LOCK-grpnet/00new/grpnet/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 ‘grpnet’ in dyn.load(file, DLLpath = DLLpath, ...):
 unable to load shared object ‘/srv/hornik/tmp/CRAN/grpnet.Rcheck/00LOCK-grpnet/00new/grpnet/libs/grpnet.so’:
  /srv/hornik/tmp/CRAN/grpnet.Rcheck/00LOCK-grpnet/00new/grpnet/libs/grpnet.so: undefined symbol: dsyevr_
Error: loading failed
Execution halted
ERROR: loading failed
* removing ‘/srv/hornik/tmp/CRAN/grpnet.Rcheck/grpnet’