[MacPorts] #65179: py-libxml2, py-cython: need to either blacklist gcc-4* or patch out -Wno-unused-result (was: py-libxml2: need to either blacklist gcc-4* or patch out -Wno-unused-result)

[MacPorts]

#65179: py-libxml2, py-cython: need to either blacklist gcc-4* or patch out -Wno-
unused-result
-------------------------------------+-------------------------------------
  Reporter:  barracuda156            |      Owner:  MarcusCalhoun-Lopez
      Type:  defect                  |     Status:  assigned
  Priority:  Normal                  |  Milestone:
 Component:  ports                   |    Version:  2.7.2
Resolution:                          |   Keywords:  powerpc, leopard,
      Port:  py39-libxml2,           |  snowleopard, rosetta
  py310-libxml2, py39-cython,        |
  py310-cython                       |
-------------------------------------+-------------------------------------
Changes (by barracuda156):

 * port:  py39-libxml2, py310-libxml2 => py39-libxml2, py310-libxml2,
     py39-cython, py310-cython


Old description:

> `gcc-4.2` does not understand this flag, and the build fails.
>
> {{{
> creating build/temp.macosx-10.6-ppc-cpython-310
> /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
> .org_macports_release_tarballs_ports_python_py-
> libxml2/py310-libxml2/work/compwrap/cc/usr/bin/gcc-4.2 -Wno-unused-result
> -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -pipe
> -Os -arch ppc -isysroot/ -D_REENTRANT=1 -I/opt/local/include/libxml2
> -I/opt/local/Library/Frameworks/Python.framework/Versions/3.10/include/python3.10
> -c libxml.c -o build/temp.macosx-10.6-ppc-cpython-310/libxml.o
> cc1: error: unrecognized command line option "-Wno-unused-result"
> error: command
> '/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
> .org_macports_release_tarballs_ports_python_py-
> libxml2/py310-libxml2/work/compwrap/cc/usr/bin/gcc-4.2' failed with exit
> code 1
> Command failed:  cd
> "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
> .org_macports_release_tarballs_ports_python_py-
> libxml2/py310-libxml2/work/libxml2-2.9.14/python" &&
> /opt/local/Library/Frameworks/Python.framework/Versions/3.10/bin/python3.10
> setup.py --no-user-cfg build -j4
> Exit code: 1
> Error: Failed to build py310-libxml2: command execution failed
> }}}

New description:

 `gcc-4.2` does not understand this flag, and the build fails.

 {{{
 creating build/temp.macosx-10.6-ppc-cpython-310
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_macports_release_tarballs_ports_python_py-
 libxml2/py310-libxml2/work/compwrap/cc/usr/bin/gcc-4.2 -Wno-unused-result
 -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -pipe
 -Os -arch ppc -isysroot/ -D_REENTRANT=1 -I/opt/local/include/libxml2
 -I/opt/local/Library/Frameworks/Python.framework/Versions/3.10/include/python3.10
 -c libxml.c -o build/temp.macosx-10.6-ppc-cpython-310/libxml.o
 cc1: error: unrecognized command line option "-Wno-unused-result"
 error: command
 '/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_macports_release_tarballs_ports_python_py-
 libxml2/py310-libxml2/work/compwrap/cc/usr/bin/gcc-4.2' failed with exit
 code 1
 Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_macports_release_tarballs_ports_python_py-
 libxml2/py310-libxml2/work/libxml2-2.9.14/python" &&
 /opt/local/Library/Frameworks/Python.framework/Versions/3.10/bin/python3.10
 setup.py --no-user-cfg build -j4
 Exit code: 1
 Error: Failed to build py310-libxml2: command execution failed
 }}}

 Same for py-cython:
 {{{
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_macports_release_tarballs_ports_python_py-
 cython/py310-cython/work/compwrap/cc/usr/bin/gcc-4.2 -Wno-unused-result
 -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -pipe
 -Os -m64 -arch ppc -arch ppc64 -isysroot/
 -I/opt/local/Library/Frameworks/Python.framework/Versions/3.10/include/python3.10
 -c
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_macports_release_tarballs_ports_python_py-
 cython/py310-cython/work/Cython-0.29.29/Cython/Plex/Scanners.c -o
 build/temp.macosx-10.5-ppc64-cpython-310/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_macports_release_tarballs_ports_python_py-
 cython/py310-cython/work/Cython-0.29.29/Cython/Plex/Scanners.o
 cc1: error: unrecognized command line option "-Wno-unused-result"
 cc1: error: unrecognized command line option "-Wno-unused-result"
 fatal error: lipo: can't open input file:
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_macports_release_tarballs_ports_python_py-
 cython/py310-cython/work/.tmp/cc6ta5kY.out (No such file or directory)
 error: command
 '/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_macports_release_tarballs_ports_python_py-
 cython/py310-cython/work/compwrap/cc/usr/bin/gcc-4.2' failed with exit
 code 1
 * Getting dependencies for wheel...
 * Building wheel...

 ERROR Backend subproccess exited when trying to invoke build_wheel
 }}}

--

-- 
Ticket URL: <https://trac.macports.org/ticket/65179#comment:2>
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