[MacPorts] #55709: libcxx @5.0.1_1+universal: upgrade failure on Leopard

[MacPorts]

#55709: libcxx @5.0.1_1+universal:  upgrade failure on Leopard
---------------------+-------------------------------
  Reporter:  potmj   |      Owner:  jeremyhu
      Type:  defect  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.4.2
Resolution:          |   Keywords:  leopard universal
      Port:  libcxx  |
---------------------+-------------------------------
Changes (by ryandesign):

 * cc: jeremyhu (removed)
 * status:  new => assigned
 * owner:   => jeremyhu


Old description:

> After successfully building libcxx @5.0.1_0+universal, as part of slowly
> working through [https://trac.macports.org/wiki/LibcxxOnOlderSystems],
> further ports now want to upgrade the libcxx dependent.
> {{{
> port -v installed libcxx
> The following ports are currently installed:
>   libcxx @3.9.1_0-universal platform='darwin 9' archs='i386'
> date='2017-09-09T16:36:04+1200'
>   libcxx @3.9.1_1-universal platform='darwin 9' archs='i386'
> date='2017-12-28T01:13:04+1300'
>   libcxx @5.0.1_0-universal platform='darwin 9' archs='i386'
> date='2017-12-30T09:05:22+1300'
>   libcxx @5.0.1_0+universal (active) platform='darwin 9' archs='i386 ppc
> x86_64' date='2018-01-09T09:07:46+1300'
> }}}
> It looks like +universal is now inserting  whole lot of gcc unsupported
> options like:-
> {{{
> cc1plus: error: unrecognized command line option "-std=c++11"
> cc1plus: error: unrecognized command line option "-stdlib=libc++"
> }}}
> I can't see why @5.0.1_0 worked, & @5.0.1_1 does not.  I think I have
> wound back all the macports.conf changes correctly, so don't see why it
> is asking for -stdlib=libc++ with Xcode gcc (e.g. have commented out with
> `#cxx_stdlib         libc++`).

New description:

 After successfully building libcxx @5.0.1_0+universal, as part of slowly
 working through LibcxxOnOlderSystems, further ports now want to upgrade
 the libcxx dependent.
 {{{
 port -v installed libcxx
 The following ports are currently installed:
   libcxx @3.9.1_0-universal platform='darwin 9' archs='i386'
 date='2017-09-09T16:36:04+1200'
   libcxx @3.9.1_1-universal platform='darwin 9' archs='i386'
 date='2017-12-28T01:13:04+1300'
   libcxx @5.0.1_0-universal platform='darwin 9' archs='i386'
 date='2017-12-30T09:05:22+1300'
   libcxx @5.0.1_0+universal (active) platform='darwin 9' archs='i386 ppc
 x86_64' date='2018-01-09T09:07:46+1300'
 }}}
 It looks like +universal is now inserting  whole lot of gcc unsupported
 options like:-
 {{{
 cc1plus: error: unrecognized command line option "-std=c++11"
 cc1plus: error: unrecognized command line option "-stdlib=libc++"
 }}}
 I can't see why @5.0.1_0 worked, & @5.0.1_1 does not.  I think I have
 wound back all the macports.conf changes correctly, so don't see why it is
 asking for `-stdlib=libc++` with Xcode gcc (e.g. have commented out with
 `#cxx_stdlib         libc++`).

--

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Ticket URL: <https://trac.macports.org/ticket/55709#comment:3>
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