[Octave-bug-tracker] [bug #51632] make global pkg paths always relative to OCTAVE_HOME, no need to pkg rebuild -global when path changes

[Philip Nienhuis]

Follow-up Comment #43, bug #51632 (project octave):

Short file names don't work as you apparently think they do. They're not
stored in the file system but used internally in user programs. NTFS or FAT32
makes no difference - internal Windows system calls are used to translate
short file names to LFN and vice versa at or near the application level, not
quite at the file system level.

If you'd install Octave in a subdir with a name with -say- 15 characters,
you'd see that '__octave_config_info__ ("bindir")' echoes a short path name.
If you were to use a DOS program (even on Win10 supported through DOSBOX)
you'll see that the DOS program also morphs LFN pathames into short (8.3
style) path names.

Short file names help a lot for MSYS / MSYS2 calls to cope with spaces in path
names, that's why JohnD implemented them in the NSIS installer.

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