[MacPorts] #69690: M4 fails on Ventura due to depending on /usr/lib/libiconv.2.dylib instead of /opt/local version

[MacPorts]

#69690: M4 fails on Ventura due to depending on /usr/lib/libiconv.2.dylib instead
of /opt/local version
-------------------------+--------------------
  Reporter:  asvitkine   |      Owner:  (none)
      Type:  defect      |     Status:  closed
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:  worksforme  |   Keywords:
      Port:  m4          |
-------------------------+--------------------

Comment (by jmroot):

 The original error looks like the kind of thing you get if you have
 DYLD_LIBRARY_PATH set (or possibly some other DYLD_* variables). Don't use
 /usr/bin/env to check for this BTW, as it is a SIP-protected binary and
 will not see any DYLD_* environment variables.

-- 
Ticket URL: <https://trac.macports.org/ticket/69690#comment:7>
MacPorts <https://www.macports.org/>
Ports system for macOS