* installing *source* package 'immer' ...
** this is package 'immer' version '1.5-13'
** package 'immer' successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C++ compiler: 'g++.exe (GCC) 14.3.0'
make[1]: Entering directory '/d/temp/2026_04_17_01_50_00_1722/RtmpSENdWI/R.INSTALLd37457d67f73/immer/src'
g++ -std=gnu++20  -I"D:/RCompile/recent/R/include" -DNDEBUG -I../inst/include -DBOOST_NO_LONG_LONG -DBOOST_NO_AUTO_PTR -DRCPP_USE_UNWIND_PROTECT -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 RcppExports.cpp -o RcppExports.o
In file included from D:/RCompile/CRANpkg/lib/4.6/Rcpp/include/Rcpp.h:49,
                 from D:/RCompile/CRANpkg/lib/4.6/RcppArmadillo/include/RcppArmadillo.h:35,
                 from RcppExports.cpp:6:
D:/RCompile/CRANpkg/lib/4.6/Rcpp/include/Rcpp/Function.h: In constructor 'Rcpp::Function_Impl<StoragePolicy>::Function_Impl(const std::string&, const std::string&)':
D:/RCompile/CRANpkg/lib/4.6/Rcpp/include/Rcpp/Function.h:75:65: error: 'R_NamespaceRegistry' was not declared in this scope
   75 |             Shield<SEXP> env(R_getVarEx(Rf_install(ns.c_str()), R_NamespaceRegistry, FALSE, R_UnboundValue));
      |                                                                 ^~~~~~~~~~~~~~~~~~~
make[1]: *** [D:/RCompile/recent/R/etc/x64/Makeconf:304: RcppExports.o] Error 1
make[1]: Leaving directory '/d/temp/2026_04_17_01_50_00_1722/RtmpSENdWI/R.INSTALLd37457d67f73/immer/src'
ERROR: compilation failed for package 'immer'
* removing 'd:/Rcompile/CRANpkg/lib/4.6/immer'
* restoring previous 'd:/Rcompile/CRANpkg/lib/4.6/immer'