[MacPorts] #65759: librsvg @2.54.4: build fails for big sur; doc generation fails

[MacPorts]

#65759: librsvg @2.54.4: build fails for big sur; doc generation fails
----------------------+----------------------
  Reporter:  M-Rick   |      Owner:  mascguy
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.7.2
Resolution:           |   Keywords:
      Port:  librsvg  |
----------------------+----------------------

Comment (by mascguy):

 Replying to [comment:11 M-Rick]:
 > Replying to [comment:7 mascguy]:
 > > Ah, from the logs, I just noticed you installed MacPorts in a custom
 location:
 > Yes because I didn't want to break my existing MacPorts installation.

 No worries, everything should still work fine. Let me know how things
 look, after you've updated and retried the install.

-- 
Ticket URL: <https://trac.macports.org/ticket/65759#comment:12>
MacPorts <https://www.macports.org/>
Ports system for macOS