* installing *source* package 'callback' ...
** this is package 'callback' version '0.1.0'
** 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:/rtools45/x86_64-w64-mingw32.static.posix/include"      -pedantic -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign    -c RcppExports.cpp -o RcppExports.o
In file included from D:/RCompile/CRANpkg/lib/4.6/Rcpp/include/Rcpp.h:27,
                 from RcppExports.cpp:4:
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 <R_ext/Callbacks.h>
      |          ^~~~~~~~~~~~~~~~~~~
compilation terminated.
make: *** [D:/RCompile/recent/R/etc/x64/Makeconf:296: RcppExports.o] Error 1
ERROR: compilation failed for package 'callback'
* removing 'd:/RCompile/CRANguest/R-devel/lib/callback'