* installing *source* package ‘hictkR’ ...
** using staged installation
** libs
/usr/bin/env: ‘python’: No such file or directory
using C++ compiler: ‘Debian clang version 17.0.6 (5)’
using C++17
/usr/bin/env: ‘python’: No such file or directory
clang++-17  -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-17/include" -DNDEBUG    -I/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/Rcpp/include -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/Rcpp/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic  -c RcppExports.cpp -o RcppExports.o
clang++-17  -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-17/include" -DNDEBUG    -I/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/Rcpp/include -I'/home/hornik/lib/R/Library/4.4/x86_64-linux-gnu/Rcpp/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic  -c hictkr.cpp -o hictkr.o
In file included from hictkr.cpp:10:
././hictkr_file.h:10:10: fatal error: 'hictk/cooler/cooler.hpp' file not found
   10 | #include <hictk/cooler/cooler.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
make: *** [/home/hornik/tmp/R-d-clang-17/etc/Makeconf:202: hictkr.o] Error 1
ERROR: compilation failed for package ‘hictkR’
* removing ‘/srv/hornik/tmp/CRAN/hictkR.Rcheck/hictkR’