[MacPorts] #61757: py38-matplotlib @3.3.3 does not build on PPC Leopard, Mac OS X 10.5.8, because of "cc1obj: error: -Werror=unguarded-availability: No option -Wunguarded-availability"

[MacPorts]

#61757: py38-matplotlib @3.3.3 does not build on PPC Leopard, Mac OS X 10.5.8,
because of "cc1obj: error: -Werror=unguarded-availability: No option
-Wunguarded-availability"
-----------------------+-----------------------------
 Reporter:  ballapete  |      Owner:  (none)
     Type:  defect     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:  2.6.4
 Keywords:  leopard    |       Port:  py38-matplotlib
-----------------------+-----------------------------
 {{{
 /usr/bin/g++-4.2 -bundle -undefined dynamic_lookup -L/opt/local/lib
 -Wl,-headerpad_max_install_names -arch ppc -arch ppc -isysroot/
 build/temp.macosx-10.5-ppc-3.8/src/_ttconv.o
 build/temp.macosx-10.5-ppc-3.8/extern/ttconv/pprdrv_tt.o
 build/temp.macosx-10.5-ppc-3.8/extern/ttconv/pprdrv_tt2.o
 build/temp.macosx-10.5-ppc-3.8/extern/ttconv/ttutil.o -o
 build/lib.macosx-10.5-ppc-3.8/matplotlib/_ttconv.cpython-38-darwin.so
 building 'matplotlib.backends._macosx' extension
 /usr/bin/gcc-4.2 -fno-strict-aliasing -Wsign-compare -fno-common -dynamic
 -DNDEBUG -g -fwrapv -O3 -Wall -pipe -Os -arch ppc -isysroot/
 -I/opt/local/Library/Frameworks/Python.framework/Versions/3.8/include/python3.8
 -c src/_macosx.m -o build/temp.macosx-10.5-ppc-3.8/src/_macosx.o -Werror
 =unguarded-availability -fvisibility=hidden
 cc1obj: error: -Werror=unguarded-availability: No option -Wunguarded-
 availability
 error: command '/usr/bin/gcc-4.2' failed with exit status 1
 Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports
 .org_macports_release_tarballs_ports_python_py-
 matplotlib/py38-matplotlib/work/matplotlib-3.3.3" &&
 /opt/local/Library/Frameworks/Python.framework/Versions/3.8/bin/python3.8
 setup.py --no-user-cfg build
 Exit code: 1
 Error: Failed to build py38-matplotlib: command execution failed
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/61757>
MacPorts <https://www.macports.org/>
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