[SM-2007110916004418433] Applied by clifford

[submaster@rocklinux.org]

SubMaster Action:
Applied by clifford

On Patch [2007110916004418433]:

Clifford Wolf:
	Added default fallbacks for missing PREFIX config variables
	(they are missing if the packages are configured-out but built manually)



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https://www.rocklinux.net/submaster/?mode=patch&uid=2007110916004418433