[MacPorts] #59464: building gcc 9 fails

[MacPorts]

#59464: building gcc 9 fails
-----------------------+--------------------
  Reporter:  lplatter  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.6.1
Resolution:            |   Keywords:
      Port:  gcc9      |
-----------------------+--------------------

Old description:

> building with
>
> sudo port -v -s install gcc9
>
> fails

New description:

 building with

 {{{
 sudo port -v -s install gcc9
 }}}

 fails

--

Comment (by ryandesign):

 The actual errors in the log are SDK related:

 {{{
 :info:build In file included from
 /Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/usr/include/_stdio.h:69,
 :info:build                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_gcc9/gcc9/work/build/gcc
 /include-fixed/stdio.h:78,
 :info:build                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_gcc9/gcc9/work/gcc-9.2.0/libgcc/../gcc/tsystem.h:87,
 :info:build                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_gcc9/gcc9/work/gcc-9.2.0/libgcc/libgcov.h:42,
 :info:build                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_gcc9/gcc9/work/gcc-9.2.0/libgcc
 /libgcov-merge.c:26:
 :info:build
 /Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/usr/include/sys/stdio.h:
 In function 'renameat':
 :info:build
 /Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/usr/include/sys/stdio.h:39:56:
 error: expected declaration specifiers before
 '__AVAILABILITY_INTERNAL__MAC_10_10'
 :info:build    39 | int     renameat(int, const char *, int, const char *)
 __OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
 :info:build       |
 ^~~~~~~~~~~~~~~~~~~~~~~~
 }}}

 comment:ticket:59133:10 says this was
 [changeset:368383b4263282656853b68965c3db455333c5bd/macports-ports fixed 2
 weeks ago]. You reported that you're using MacPorts 2.6.1. 2.6.2 was
 released a few days ago. Please run `sudo port selfupdate`, then try
 again.

-- 
Ticket URL: <https://trac.macports.org/ticket/59464#comment:3>
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