* installing to library ‘/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages’
* installing *source* package ‘sparsevb’ ...
** package ‘sparsevb’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C++ compiler: ‘g++-14 (Debian 14.2.0-8) 14.2.0’
using C++11
make[1]: Entering directory '/home/hornik/tmp/scratch/RtmpMuW4iQ/R.INSTALL1d614d7727f07e/sparsevb/src'
g++-14 -std=gnu++11 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/RcppArmadillo/include' -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/RcppEnsmallen/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c RcppExports.cpp -o RcppExports.o
In file included from /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/RcppEnsmallen/include/RcppEnsmallen.h:25,
                 from RcppExports.cpp:5:
/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/RcppEnsmallen/include/ensmallen.hpp:32:4: error: #error "*** C++14 compiler required; enable C++14 mode in your compiler, or use an earlier version of ensmallen"
   32 |   #error "*** C++14 compiler required; enable C++14 mode in your compiler, or use an earlier version of ensmallen"
      |    ^~~~~
make[1]: *** [/home/hornik/tmp/R.check/r-release-gcc/Work/build/etc/Makeconf:202: RcppExports.o] Error 1
make[1]: Leaving directory '/home/hornik/tmp/scratch/RtmpMuW4iQ/R.INSTALL1d614d7727f07e/sparsevb/src'
ERROR: compilation failed for package ‘sparsevb’
* removing ‘/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/sparsevb’