[MacPorts] #49258: libgcc processing fail - OSX 10.11

[MacPorts]

#49258: libgcc processing fail - OSX 10.11
------------------------+-------------------
  Reporter:  sdstowe@…  |      Owner:  mww@…
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.3.4
Resolution:             |   Keywords:
      Port:  libgcc     |
------------------------+-------------------

Comment (by macports@…):

 Good news everyone.  More details in the `macports_Capi_*_2015-10-30`
 attachments above.

 I'm on Mac OS 11.1, Xcode 7.1 and MacPorts 2.3.4.

 I did (suboptimal order, but it worked):
 {{{
 $ sudo port clean all
 ...
 $ sudo port uninstall installed
 ...
 $ port installed
 No ports are installed.
 $ sudo port install libgcc
 }}}

 It worked.  Here is the list of ports I had when that finished:
 {{{
 $ port installed
 The following ports are currently installed:
   cctools @870_0+llvm37 (active)
   dyld-headers @239.3_0 (active)
   expat @2.1.0_0 (active)
   gettext @0.19.6_0 (active)
   gmp @6.0.0_1 (active)
   gperf @3.0.4_2 (active)
   isl @0.14.1_0 (active)
   ld64 @2_0 (active)
   ld64-latest @253.3_0+llvm37 (active)
   libcxx @3.6.0_0 (active)
   libedit @20150325-3.1_0 (active)
   libffi @3.2.1_0 (active)
   libgcc @5.2.0_0 (active)
   libiconv @1.14_0 (active)
   libmacho-headers @870_0 (active)
   libmpc @1.0.3_0 (active)
   libunwind-headers @3.6.0_0 (active)
   llvm-3.7 @3.7.0_0 (active)
   llvm_select @1.0_0 (active)
   mpfr @3.1.3_0 (active)
   ncurses @6.0_0 (active)
   xz @5.2.2_0 (active)
   zlib @1.2.8_0 (active)
 $
 }}}

 I was suspecting the version of `ld64` I had used last week didn't handle
 the new `.tbd` files that El Capitan and Xcode 7 use.  I don't seem to
 have saved last week's list of port versions, but maybe `ld64-latest` is
 more up-to-date this week.  I do have a Time Machine backup from before
 clearing if anyone wants me to dig for the previous version number.  I'm
 curious why I have two versions of `ld64` after running just one `port
 install` command.

-- 
Ticket URL: <https://trac.macports.org/ticket/49258#comment:4>
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