* installing *source* package ‘dfStats’ ...
** using staged installation
** libs
using C++ compiler: ‘Debian clang version 19.1.3 (1)’
using C++17
clang++-19  -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG -I../inst/include/ -I'/home/hornik/lib/R/Library/4.5/x86_64-linux-gnu/Rcpp/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c RcppExports.cpp -o RcppExports.o
In file included from RcppExports.cpp:4:
./../inst/include/dfStats.h:11:10: fatal error: 'omp.h' file not found
   11 | #include <omp.h>
      |          ^~~~~~~
1 error generated.
make: *** [/home/hornik/tmp/R-d-clang-19/etc/Makeconf:202: RcppExports.o] Error 1
ERROR: compilation failed for package ‘dfStats’
* removing ‘/srv/hornik/tmp/CRAN_pretest/dfStats.Rcheck/dfStats’