[MacPorts] #61752: py38-kiwisolver @1.3.1 does not build on PPC Leopard, Mac OS X 10.5.8, because of unrecognized command line option '-stdlib=libc++'

[MacPorts]

#61752: py38-kiwisolver @1.3.1 does not build on PPC Leopard, Mac OS X 10.5.8,
because of unrecognized command line option '-stdlib=libc++'
-----------------------+-----------------------------
 Reporter:  ballapete  |      Owner:  (none)
     Type:  defect     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:  2.6.4
 Keywords:  leopard    |       Port:  py38-kiwisolver
-----------------------+-----------------------------
 {{{
 DEBUG: system:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports
 .org_macports_release_tarballs_ports_python_py-
 kiwisolver/py38-kiwisolver/work/kiwi-1.3.1" &&
 /opt/local/Library/Frameworks/Python.framework/Versions/3.8/bin/python3.8
 setup.py --no-user-cfg build -j1
 running build
 running build_ext
 building 'kiwisolver' extension
 creating build
 creating build/temp.macosx-10.5-ppc-3.8
 creating build/temp.macosx-10.5-ppc-3.8/py
 /opt/local/bin/gcc-mp-7 -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/lib/python3.8
 /site-packages/cppy/include -I.
 -I/opt/local/Library/Frameworks/Python.framework/Versions/3.8/include/python3.8
 -c py/kiwisolver.cpp -o build/temp.macosx-10.5-ppc-3.8/py/kiwisolver.o
 -std=c++11 -stdlib=libc++
 gcc-mp-7: error: unrecognized command line option '-stdlib=libc++'
 error: command '/opt/local/bin/gcc-mp-7' 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-
 kiwisolver/py38-kiwisolver/work/kiwi-1.3.1" &&
 /opt/local/Library/Frameworks/Python.framework/Versions/3.8/bin/python3.8
 setup.py --no-user-cfg build -j1
 Exit code: 1
 Error: Failed to build py38-kiwisolver: command execution failed
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/61752>
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