changing Global File location

[kinook]

As you mentioned, you can specify on the command-line. Another way would be to explicitly load from an alternate location in the vbld_BuildStarting event or in a Run Script action, with script code like:

Application.Options.Load "filename"
Applications.Macros(vbldMacroGlobal).Load "filename"
...

This is also demonstrated in the last step of the Script.bld sample.