Thank you for the pointer. I was not aware of MSys2.
I have made some progress, but still not there. Installed MSys2, and added packages for make and gcc.
In a MINGW64 window ./configure runs, and mingw32-make gets started, but terminates with:
./../sqlite3.c:43082:22: warning: ‘sqlite3Win32Wait’ defined but not used [-Wunused-function]
43082 | SQLITE_PRIVATE DWORD sqlite3Win32Wait(HANDLE hObject){
| ^~~~~~~~~~~~~~~~
rm -f libsqlite3.33.0
o libsqlite3.33.0 tclsqlite3.o -lpthread -Wl,-ltclstub8.6
process_begin: CreateProcess(NULL, o libsqlite3.33.0 tclsqlite3.o -lpthread -Wl,-ltclstub8.6, ...) failed.
make (e=2): The system cannot find the file specified.
mingw32-make: [Makefile:263: libsqlite3.33.0] Error 2 (ignored)
: libsqlite3.33.0
and does not create the dll file.
I will have to compare the outputs from the 32-bit and 64-bit versions of the make command and try to see what went wrong.
So thank you for getting me going with MSys2.
Gerry