1. Fix breakage due to incorrect objformat-related change.
2. While at it, add a WITHOUT_USE_PERL knob that avoids spamming
/usr/bin; it is meant for those who do cross-installs and such.
No version bump.
Pointy hat to: kris 
Reported by: many 
PR: 104524 
Submitted by: Nick Hibma <email@example.com>