[MacPorts] #63453: libffi @3.4.2_0 does not tell port gcc7 (and possibly libgcc7?) need to be rebuilt

[MacPorts]

#63453: libffi @3.4.2_0 does not tell port gcc7 (and possibly libgcc7?) need to be
rebuilt
------------------------+---------------------
  Reporter:  ballapete  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:  leopard
      Port:  libffi     |
------------------------+---------------------

Comment (by ballapete):

 While building `libgcc7`:

 {{{
 Process:         xmlcatalog [56074]
 Path:            xmlcatalog
 Identifier:      xmlcatalog
 Version:         ??? (???)
 Code Type:       PPC (Native)
 Parent Process:  sh [56073]

 Interval Since Last Report:          138102 sec
 Crashes Since Last Report:           74
 Per-App Interval Since Last Report:  0 sec
 Per-App Crashes Since Last Report:   1

 Date/Time:       2021-09-05 14:25:20.511 +0200
 OS Version:      Mac OS X 10.5.8 (9L31a)
 Report Version:  6
 Anonymous UUID:  B98EE308-F5B2-4632-9B82-ECEF2D42D0B9

 Exception Type:  EXC_BREAKPOINT (SIGTRAP)
 Exception Codes: 0x0000000000000001, 0x000000008fe0105c
 Crashed Thread:  0

 Dyld Error Message:
   Symbol not found: ___once_proxy
   Referenced from: /opt/local/lib/libicuuc.67.dylib
   Expected in: /usr/lib/libstdc++.6.dylib
 }}}

 while `Configuring stage 1 in ppc-apple-darwin9/libgomp`. Presumingly.

-- 
Ticket URL: <https://trac.macports.org/ticket/63453#comment:3>
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