Found the following significant warnings:
  SPLITT.h:2056:30: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2063:30: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2074:30: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2087:32: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2099:30: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2109:32: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2268:28: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2279:32: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2137:28: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2151:32: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2165:34: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2190:30: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2200:32: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2226:26: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2387:30: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2401:34: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2411:34: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2323:30: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2337:34: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2346:32: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2360:36: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2435:30: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2448:32: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2466:32: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
  SPLITT.h:2485:30: warning: implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]
See 'd:/Rcompile/CRANpkg/local/4.6/PCMBaseCpp.Rcheck/00install.out' for details.
* used C++ compiler: 'g++.exe (GCC) 14.3.0'