[MacPorts] #68226: openmpi-default @4.1.4: failed to configure; 'ac_nonexistent.h' file not found

[MacPorts]

#68226: openmpi-default @4.1.4: failed to configure; 'ac_nonexistent.h' file not
found
------------------------------+--------------------
  Reporter:  chaochinyang     |      Owner:  (none)
      Type:  defect           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.8.1
Resolution:                   |   Keywords:
      Port:  openmpi-default  |
------------------------------+--------------------
Description changed by chaochinyang:

Old description:

> Failed to configure openmpi-default:
>
> {{{
> configure:7146: /usr/bin/clang -E
> -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX13.sdk conftest.c
> conftest.c:10:10: fatal error: 'ac_nonexistent.h' file not found
> #include <ac_nonexistent.h>
>          ^~~~~~~~~~~~~~~~~~
> 1 error generated.
> }}}

New description:

 Failed to configure openmpi-default after recent update of Xcode to 15.0:

 {{{
 configure:7146: /usr/bin/clang -E
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX13.sdk conftest.c
 conftest.c:10:10: fatal error: 'ac_nonexistent.h' file not found
 #include <ac_nonexistent.h>
          ^~~~~~~~~~~~~~~~~~
 1 error generated.
 }}}

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Ticket URL: <https://trac.macports.org/ticket/68226#comment:1>
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