py-msgpack fails to build on 32-bit platforms: error: integer constant is too large for ‘long’ type

[barracuda156]

* Building wheel...
WARNING setuptools_scm._integration.setuptools pyproject.toml does not contain a tool.setuptools_scm section
running bdist_wheel
running build
running build_py
creating build
creating build/lib.macosx-10.6-ppc-cpython-312
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
cythonize: 'msgpack/_cmsgpack.pyx'
warning: msgpack/_unpacker.pyx:114:30: Assigning to 'char *' from 'const char *' discards const qualifier
building 'msgpack._cmsgpack' extension
creating build/temp.macosx-10.6-ppc-cpython-312
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 -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.cpp -o build/temp.macosx-10.6-ppc-cpython-312/msgpack/_cmsgpack.o
In file included from msgpack/pack.h:64,
                 from msgpack/_cmsgpack.cpp:1278:
msgpack/pack_template.h:779: error: integer constant is too large for ‘long’ type
In file included from msgpack/_cmsgpack.cpp:1283:
msgpack/unpack.h: In function ‘int unpack_callback_array(unpack_user*, unsigned int, PyObject**)’:
msgpack/unpack.h:141: warning: comparison between signed and unsigned integer expressions
msgpack/unpack.h: In function ‘int unpack_callback_map(unpack_user*, unsigned int, PyObject**)’:
msgpack/unpack.h:176: warning: comparison between signed and unsigned integer expressions
msgpack/unpack.h: In function ‘int unpack_callback_raw(unpack_user*, const char*, const char*, unsigned int, PyObject**)’:
msgpack/unpack.h:234: warning: comparison between signed and unsigned integer expressions
msgpack/unpack.h: In function ‘int unpack_callback_bin(unpack_user*, const char*, const char*, unsigned int, PyObject**)’:
msgpack/unpack.h:254: warning: comparison between signed and unsigned integer expressions
In file included from msgpack/_cmsgpack.cpp:1283:
msgpack/unpack.h: In function ‘int unpack_callback_ext(unpack_user*, const char*, const char*, unsigned int, PyObject**)’:
msgpack/unpack.h:308: warning: comparison between signed and unsigned integer expressions
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-1.0.8" && /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

[stromnov (Andrey Stromnov)]

I'm sorry, but I don't have access to a 32-bit system at the moment.

Could you try changing L to UL or ULL at the problem line in the header file?