[MacPorts] #69815: libjxl @0.10.2 does not build on PPC Leopard, Mac OS X 10.5.8, because of a lot of problems ld has

[MacPorts]

#69815: libjxl @0.10.2 does not build on PPC Leopard, Mac OS X 10.5.8, because of a
lot of problems ld has
------------------------+-------------------------
  Reporter:  ballapete  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.9.3
Resolution:             |   Keywords:  leopard ppc
      Port:  libjxl     |
------------------------+-------------------------

Comment (by ballapete):

 To check whether `dvisvgm @3.3` can exist without `MuPDF` I am performing
 a `make check` outside of MacPorts (just let it fetch and extract). I see
 here similar `ld warnings` when building with GCC7. (Plus a lot more.)
 Could the cause be that some files are compiled with `gcc` and others with
 `g++`? With `dvisvgm` a `libmd5.a` is used which is an item built from
 objects made by gcc or by g++…

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Ticket URL: <https://trac.macports.org/ticket/69815#comment:11>
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