[MacPorts] #71579: Arpack does not compile for clang17 on MacOS 14.7.1

[MacPorts]

#71579: Arpack does not compile for clang17 on MacOS 14.7.1
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 Reporter:  stefanoaz  |      Owner:  (none)
     Type:  defect     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:
 Keywords:             |       Port:  build 3.9.1
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 The workaround to get it to compile, was to force compile on clang18 as
 follows:

 sudo port install arpack configure.cxx=clang++-mp-18

 This has been true for some other packages as well: boost176 and graphviz

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Ticket URL: <https://trac.macports.org/ticket/71579>
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