Found the following significant warnings:
  ../windows/gdal3-3.2.1/include/geos-3.9.0/geos_c.h:160:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../windows/gdal3-3.2.1/include/geos-3.9.0/geos_c.h:163:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../windows/gdal3-3.2.1/include/geos-3.9.0/geos_c.h:165:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../windows/gdal3-3.2.1/include/geos-3.9.0/geos_c.h:180:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../windows/gdal3-3.2.1/include/geos-3.9.0/geos_c.h:215:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../windows/gdal3-3.2.1/include/geos-3.9.0/geos_c.h:1399:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../windows/gdal3-3.2.1/include/geos-3.9.0/geos_c.h:1406:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../windows/gdal3-3.2.1/include/geos-3.9.0/geos_c.h:1529:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../windows/gdal3-3.2.1/include/geos-3.9.0/geos_c.h:1595:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../windows/gdal3-3.2.1/include/geos-3.9.0/geos_c.h:1598:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../windows/gdal3-3.2.1/include/geos-3.9.0/geos_c.h:1605:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../windows/gdal3-3.2.1/include/geos-3.9.0/geos_c.h:2210:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../windows/gdal3-3.2.1/include/geos-3.9.0/geos_c.h:2215:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../windows/gdal3-3.2.1/include/geos-3.9.0/geos_c.h:2225:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
  ../windows/gdal3-3.2.1/include/geos-3.9.0/geos_c.h:2231:1: warning: function declaration isn't a prototype [-Wstrict-prototypes]
See 'd:/Rcompile/CRANpkg/local/4.3/lwgeom.Rcheck/00install.out' for details.
* used C++ compiler: 'g++.exe (GCC) 12.2.0'