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kovidgoyal · 08-26-2018, 10:14 PM

There haven't been any changes to how CALIBRE_CONFIG_DIRECTORY is processed in 3.30 and as far as I know it has never resolved environment variables, see https://github.com/kovidgoyal/calibr...stants.py#L236

So I am surprised it ever worked. As for why it stopped working in x64 it is probably because windows maintains a different set of env vars for 64bit and 32bit processes running on a 64bit computer -- I vaguely recall that windows jumps through various hoops for compatibility purposes when doing this.

08-26-2018, 10:14 PM	#5
kovidgoyal creator of calibre Posts: 45,402 Karma: 27756918 Join Date: Oct 2006 Location: Mumbai, India Device: Various	There haven't been any changes to how CALIBRE_CONFIG_DIRECTORY is processed in 3.30 and as far as I know it has never resolved environment variables, see https://github.com/kovidgoyal/calibr...stants.py#L236 So I am surprised it ever worked. As for why it stopped working in x64 it is probably because windows maintains a different set of env vars for 64bit and 32bit processes running on a 64bit computer -- I vaguely recall that windows jumps through various hoops for compatibility purposes when doing this.