Applying /builder/shared-workdir/build/sdk/feeds/packages/lang/python/python-lxml/patches/001-downgrade-cython-requirement.patch using plaintext: 
patching file pyproject.toml
* Getting build dependencies for wheel...
<string>:67: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81.
/builder/shared-workdir/build/sdk/staging_dir/hostpkg/lib/python3.13/site-packages/setuptools/dist.py:759: SetuptoolsDeprecationWarning: License classifiers are deprecated.
!!

        ********************************************************************************
        Please consider removing the following classifiers in favor of a SPDX license expression:

        License :: OSI Approved :: BSD License

        See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
        ********************************************************************************

!!
  self._finalize_license_expression()
Building lxml version 5.4.0.
Building without Cython.
Building against libxml2 2.14.5 and libxslt 1.1.42
Building against libxml2/libxslt in the following directory: /builder/shared-workdir/build/sdk/staging_dir/target-aarch64_cortex-a72_musl/usr/lib
running egg_info
writing src/lxml.egg-info/PKG-INFO
writing dependency_links to src/lxml.egg-info/dependency_links.txt
writing requirements to src/lxml.egg-info/requires.txt
writing top-level names to src/lxml.egg-info/top_level.txt
reading manifest file 'src/lxml.egg-info/SOURCES.txt'
reading manifest template 'MANIFEST.in'
adding license file 'LICENSE.txt'
adding license file 'LICENSES.txt'
writing manifest file 'src/lxml.egg-info/SOURCES.txt'

ERROR Missing dependencies:
	Cython>=3.0.10
make[3]: *** [Makefile:51: /builder/shared-workdir/build/sdk/build_dir/target-aarch64_cortex-a72_musl/pypi/lxml-5.4.0/.built] Error 1
time: package/feeds/packages/python-lxml/compile#3.69#0.63#4.37