[MacPorts] #71250: py312-msgpack fails to build with Xcode gcc: error: ‘for’ loop initial declaration used outside C99 mode

[MacPorts]

#71250: py312-msgpack fails to build with Xcode gcc: error: ‘for’ loop initial
declaration used outside C99 mode
-------------------------+-------------------------------------------------
 Reporter:               |      Owner:  (none)
  barracuda156           |
     Type:  defect       |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:  2.10.4
 Keywords:               |       Port:  py-msgpack, py312-msgpack,
                         |  py313-msgpack
-------------------------+-------------------------------------------------
 {{{
 * Building wheel...
 /opt/local/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12
 /site-packages/ptr/__init__.py:81: SetuptoolsDeprecationWarning: The test
 command is disabled and references to it are deprecated.
 !!

 ********************************************************************************
         Please remove any references to `setuptools.command.test` in all
 supported versions of the affected package.

         By 2024-Nov-15, you need to update your project and remove
 deprecated calls
         or your builds will no longer be supported.
 ********************************************************************************

 !!
   class PyTest(orig.test):
 running bdist_wheel
 running build
 running build_py
 creating build/lib.macosx-10.6-ppc-cpython-312/msgpack
 copying msgpack/__init__.py -> build/lib.macosx-10.6-ppc-
 cpython-312/msgpack
 copying msgpack/exceptions.py -> build/lib.macosx-10.6-ppc-
 cpython-312/msgpack
 copying msgpack/ext.py -> build/lib.macosx-10.6-ppc-cpython-312/msgpack
 copying msgpack/fallback.py -> build/lib.macosx-10.6-ppc-
 cpython-312/msgpack
 running build_ext
 INFO: Disabling color, you really want to install colorlog.
 Disabling color, you really want to install colorlog.
 building 'msgpack._cmsgpack' extension
 creating build/temp.macosx-10.6-ppc-cpython-312/msgpack
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_macports_release_tarballs_ports_python_py-
 msgpack/py312-msgpack/work/compwrap/cc/usr/bin/gcc-4.2 -fno-strict-
 overflow -Wsign-compare -fno-common -dynamic -DNDEBUG -g -O3 -Wall -pipe
 -Os -arch ppc -isysroot/ -I.
 -I/opt/local/Library/Frameworks/Python.framework/Versions/3.12/include/python3.12
 -c msgpack/_cmsgpack.c -o build/temp.macosx-10.6-ppc-
 cpython-312/msgpack/_cmsgpack.o
 In file included from msgpack/_cmsgpack.c:1300:
 msgpack/unpack.h: In function ‘unpack_callback_array’:
 msgpack/unpack.h:141: warning: comparison between signed and unsigned
 msgpack/unpack.h: In function ‘unpack_callback_map’:
 msgpack/unpack.h:176: warning: comparison between signed and unsigned
 msgpack/unpack.h: In function ‘unpack_callback_raw’:
 msgpack/unpack.h:234: warning: comparison between signed and unsigned
 msgpack/unpack.h: In function ‘unpack_callback_bin’:
 msgpack/unpack.h:254: warning: comparison between signed and unsigned
 In file included from msgpack/_cmsgpack.c:1300:
 msgpack/unpack.h: In function ‘unpack_callback_ext’:
 msgpack/unpack.h:308: warning: comparison between signed and unsigned
 In file included from msgpack/_cmsgpack.c:22596:
 /opt/local/Library/Frameworks/Python.framework/Versions/3.12/include/python3.12/internal/pycore_frame.h:
 In function ‘_PyFrame_Initialize’:
 /opt/local/Library/Frameworks/Python.framework/Versions/3.12/include/python3.12/internal/pycore_frame.h:134:
 error: ‘for’ loop initial declaration used outside C99 mode
 error: command
 '/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_macports_release_tarballs_ports_python_py-
 msgpack/py312-msgpack/work/compwrap/cc/usr/bin/gcc-4.2' failed with exit
 code 1

 ERROR Backend subprocess exited when trying to invoke build_wheel
 Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_macports_release_tarballs_ports_python_py-
 msgpack/py312-msgpack/work/msgpack-1.1.0" &&
 /opt/local/Library/Frameworks/Python.framework/Versions/3.12/bin/python3.12
 -m build --no-isolation --wheel --outdir
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_macports_release_tarballs_ports_python_py-msgpack/py312-msgpack/work
 Exit code: 1
 Error: Failed to build py312-msgpack: command execution failed
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/71250>
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