[MacPorts] #53866: xorg-libX11 1.6.4_0 fails on 10.8.5 with libc++ (was: xorg-libX11 fails on 10.8 with libc++)

[MacPorts]

#53866: xorg-libX11 1.6.4_0 fails on 10.8.5 with libc++
--------------------------+-----------------
  Reporter:  1-61803      |      Owner:
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  xorg-libX11  |
--------------------------+-----------------
Description changed by michaelld:

Old description:

> xorg-libX11 fails to configure on 10.8, when set to build from source
> with `libc++`.
>
> {{{
> :info:configure checking for cpp... /usr/bin/cpp
> :info:configure checking if /usr/bin/cpp requires -undef... xcrun: Error:
> could not stat active
> Xcode path '/Users/test/Desktop/Xcode.app/Contents/Developer'.
> (Permission denied)
> :info:configure xcrun: Error: could not stat active Xcode path
> '/Users/test/Desktop/Xcode.
> app/Contents/Developer'. (Permission denied)
> :info:configure xcrun: Error: could not stat active Xcode path
> '/Users/test/Desktop/Xcode.
> app/Contents/Developer'. (Permission denied)
> :info:configure configure: error: /usr/bin/cpp defines unix with or
> without -undef.  I don't know
> what to do.
> }}}
>
> It does build on the same system though, a 10.8 vanilla vm, when set to
> build from source with `libstdc++`, only adjustment being changing the
> path with `xcode-select`.
>
> There's a similar ticket under 10.12, closed as worksforme #52335. I
> attached the logs.

New description:

 xorg-libX11 1.6.4_0  fails to configure on 10.8.5, when set to build from
 source with `libc++`.

 {{{
 :info:configure checking for cpp... /usr/bin/cpp
 :info:configure checking if /usr/bin/cpp requires -undef... xcrun: Error:
 could not stat active
 Xcode path '/Users/test/Desktop/Xcode.app/Contents/Developer'. (Permission
 denied)
 :info:configure xcrun: Error: could not stat active Xcode path
 '/Users/test/Desktop/Xcode.
 app/Contents/Developer'. (Permission denied)
 :info:configure xcrun: Error: could not stat active Xcode path
 '/Users/test/Desktop/Xcode.
 app/Contents/Developer'. (Permission denied)
 :info:configure configure: error: /usr/bin/cpp defines unix with or
 without -undef.  I don't know
 what to do.
 }}}

 It does build on the same system though, a 10.8 vanilla vm, when set to
 build from source with `libstdc++`, only adjustment being changing the
 path with `xcode-select`.

 There's a similar ticket under 10.12, closed as worksforme #52335. I
 attached the logs.

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Ticket URL: <https://trac.macports.org/ticket/53866#comment:2>
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