[MacPorts] #63137: gromacs: Error: clang-5.0 is not supported on this macOS release (Darwin 20). (was: Processing of port gromacs failed)

[MacPorts]

#63137: gromacs: Error: clang-5.0 is not supported on this macOS release (Darwin
20).
----------------------+----------------------
  Reporter:  rikta43  |      Owner:  dstrubbe
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.7.1
Resolution:           |   Keywords:  bigsur
      Port:  gromacs  |
----------------------+----------------------
Changes (by ryandesign):

 * status:  new => assigned
 * priority:  High => Normal
 * owner:  (none) => dstrubbe
 * keywords:   => bigsur
 * type:  request => defect
 * port:   => gromacs


Old description:

> I am trying to install gromacs using macports but been receving following
> error : (Package used : MacPorts-2.7.1-11-BigSur.pkg)
>
> Error: clang-5.0 is not supported on this macOS release (Darwin 20).
> Error: Failed to fetch clang-5.0: Unsupported macOS version
> Error: See
> /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_llvm-5.0/clang-5.0/main.log
> for details.
> Error: Follow https://guide.macports.org/#project.tickets if you believe
> there
> is a bug.
> Error: Processing of port gromacs failed
>
> can you help please !!

New description:

 I am trying to install gromacs using macports but been receving following
 error : (Package used : MacPorts-2.7.1-11-BigSur.pkg)

 {{{
 Error: clang-5.0 is not supported on this macOS release (Darwin 20).
 Error: Failed to fetch clang-5.0: Unsupported macOS version
 Error: See
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_llvm-5.0/clang-5.0/main.log
 for details.
 Error: Follow https://guide.macports.org/#project.tickets if you believe
 there is a bug.
 Error: Processing of port gromacs failed
 }}}

 can you help please !!

--

Comment:

 The message is correct: clang 5.0 is not supported on macOS 11 or later.

 Then the question is why gromacs is requiring the (by now quite old) clang
 5.0 and how do we allow it to use a newer clang.

-- 
Ticket URL: <https://trac.macports.org/ticket/63137#comment:1>
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