* installing *source* package 'Countr' ... ** this is package 'Countr' version '3.6' ** using staged installation ** libs using C++ compiler: 'g++.exe (GCC) 14.3.0' g++ -std=gnu++17 -I"D:/RCompile/recent/R/include" -DNDEBUG -I'D:/RCompile/CRANpkg/lib/4.6/Rcpp/include' -I'D:/RCompile/CRANpkg/lib/4.6/RcppArmadillo/include' -I"d:/rtools45/x86_64-w64-mingw32.static.posix/include" -pedantic -O2 -Wall -mfpmath=sse -msse2 -mstackrealign -c Biv_utils.cpp -o Biv_utils.o In file included from D:/RCompile/CRANpkg/lib/4.6/RcppArmadillo/include/RcppArmadillo/interface/RcppArmadilloForward.h:26, from D:/RCompile/CRANpkg/lib/4.6/RcppArmadillo/include/RcppArmadillo.h:32, from Biv_utils.cpp:1: D:/RCompile/CRANpkg/lib/4.6/Rcpp/include/RcppCommon.h:75:10: fatal error: R_ext/Callbacks.h: No such file or directory 75 | #include | ^~~~~~~~~~~~~~~~~~~ compilation terminated. make: *** [D:/RCompile/recent/R/etc/x64/Makeconf:296: Biv_utils.o] Error 1 ERROR: compilation failed for package 'Countr' * removing 'd:/RCompile/CRANincoming/R-devel/lib/Countr'