Mingw build steps for Xbase64 running on Windows - 3/7/23

1)  Verify cmake is installed with command:  cmake --version
    If it is not installed, install the latest version.



2)  Verify you have xcode installed and operational.


3)  Build xbase64 library


     cd build/mac64
     cmake . -DCMAKE_OSX_SYSROOT=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk
     make			build the library
     make test			tsst the library
     make install		install it
     xb_cfg_check		test it