* using log directory 'd:/Rcompile/CRANpkg/local/4.6/RI2by2.Rcheck'
* using R version 4.6.0 beta (2026-04-16 r89899 ucrt)
* using platform: x86_64-w64-mingw32
* R was compiled by
    gcc.exe (GCC) 14.3.0
    GNU Fortran (GCC) 14.3.0
* running under: Windows Server 2022 x64 (build 20348)
* using session charset: UTF-8
* current time: 2026-04-17 09:00:31 UTC
* checking for file 'RI2by2/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'RI2by2' version '1.4'
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking whether package 'RI2by2' can be installed ... ERROR
Installation failed.
See 'd:/Rcompile/CRANpkg/local/4.6/RI2by2.Rcheck/00install.out' for details.
* DONE
The installation logfile:
* installing *source* package 'RI2by2' ...
** this is package 'RI2by2' version '1.4'
** package 'RI2by2' 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/RtmpQb2iwS/R.INSTALLb2a068432280/RI2by2/src'
g++ -std=gnu++20  -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 Rcpp-RI2by2-chiba.cpp -o Rcpp-RI2by2-chiba.o
In file included from D:/RCompile/CRANpkg/lib/4.6/Rcpp/include/Rcpp.h:49,
                 from Rcpp-RI2by2-chiba.cpp:1:
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));
      |                                                                 ^~~~~~~~~~~~~~~~~~~
Rcpp-RI2by2-chiba.cpp: In function 'double ECDF_pv(std::vector<double>, std::vector<double>, double)':
Rcpp-RI2by2-chiba.cpp:37:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long long unsigned int'} [-Wsign-compare]
   37 |   for (int j=0; j<out_teststat.size(); ++j) {
      |                 ~^~~~~~~~~~~~~~~~~~~~
Rcpp-RI2by2-chiba.cpp: In function 'Rcpp::List CI_2by2_chiba_tau_v7_approx(int, int, int, int, double, int)':
Rcpp-RI2by2-chiba.cpp:134:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long long unsigned int'} [-Wsign-compare]
  134 |     for (int qrs_i=0; qrs_i<qrs_indices.size(); ++qrs_i) {
      |                       ~~~~~^~~~~~~~~~~~~~~~~~~
Rcpp-RI2by2-chiba.cpp:271:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long long unsigned int'} [-Wsign-compare]
  271 |   for (int i=0; i<RDtrue.size(); ++i) {
      |                 ~^~~~~~~~~~~~~~
make[1]: *** [D:/RCompile/recent/R/etc/x64/Makeconf:304: Rcpp-RI2by2-chiba.o] Error 1
make[1]: Leaving directory '/d/temp/2026_04_17_01_50_00_1722/RtmpQb2iwS/R.INSTALLb2a068432280/RI2by2/src'
ERROR: compilation failed for package 'RI2by2'
* removing 'd:/Rcompile/CRANpkg/lib/4.6/RI2by2'
* restoring previous 'd:/Rcompile/CRANpkg/lib/4.6/RI2by2'