[MacPorts] #61546: avr-gdb fails to build on macOS 11 Big Sur

[MacPorts]

#61546: avr-gdb fails to build on macOS 11 Big Sur
----------------------+--------------------
  Reporter:  neilt    |      Owner:  (none)
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.6.4
Resolution:           |   Keywords:
      Port:  avr-gdb  |
----------------------+--------------------

Comment (by neilt):

 I can confirm that changing the following lines in the Portfiles allows it
 to compile to apparent completion and installs.  Had a lot of non-fatal
 errors, but it did not stop the compile or install. This is at least
 better that what exists as of 16 June 2021.

 {{{
 version             10.2
 checksums           rmd160  dccb69f3f90b8f6d00cf0485162673bde9c299ad \
                     sha256
 aaa1223d534c9b700a8bec952d9748ee1977513f178727e1bee520ee000b4f29
 }}}

 {{{
 iMac macports_local % avr-gdb
 Python Exception <class 'ModuleNotFoundError'> No module named 'gdb':
 avr-gdb: warning:
 Could not load the Python gdb module from `/opt/local/share/gdb/python'.
 Limited Python support is available from the _gdb module.
 Suggest passing --data-directory=/path/to/gdb/data-directory.
 GNU gdb (GDB) 10.2
 Copyright (C) 2021 Free Software Foundation, Inc.
 License GPLv3+: GNU GPL version 3 or later
 <http://gnu.org/licenses/gpl.html>
 This is free software: you are free to change and redistribute it.
 There is NO WARRANTY, to the extent permitted by law.
 Type "show copying" and "show warranty" for details.
 This GDB was configured as "--host=x86_64-apple-darwin20.5.0
 --target=avr".
 Type "show configuration" for configuration details.
 For bug reporting instructions, please see:
 <https://www.gnu.org/software/gdb/bugs/>.
 Find the GDB manual and other documentation resources online at:
     <http://www.gnu.org/software/gdb/documentation/>.

 For help, type "help".
 Type "apropos word" to search for commands related to "word".
 (gdb)
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/61546#comment:3>
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