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-rw-r--r--meta/recipes-devtools/python/python3-pyyaml/0001-Fix-builds-with-Cython-3.patch54
1 files changed, 54 insertions, 0 deletions
diff --git a/meta/recipes-devtools/python/python3-pyyaml/0001-Fix-builds-with-Cython-3.patch b/meta/recipes-devtools/python/python3-pyyaml/0001-Fix-builds-with-Cython-3.patch
new file mode 100644
index 0000000000..a87d588b6a
--- /dev/null
+++ b/meta/recipes-devtools/python/python3-pyyaml/0001-Fix-builds-with-Cython-3.patch
@@ -0,0 +1,54 @@
+From 9cc23db56add79357b8f8257fe6fc0d6879d4579 Mon Sep 17 00:00:00 2001
+From: "Andrew J. Hesford" <ajh@sideband.org>
+Date: Fri, 21 Jul 2023 09:50:00 -0400
+Subject: [PATCH] Fix builds with Cython 3
+
+This is a *de minimis* fix for building with Cython 3. Recent Cython<3
+releases provided `Cython.Distutils.build_ext` as an alias to
+`Cython.Distutils.old_build_ext.old_build_ext`; Cython 3 drops this
+alias and instead uses a wholly new `Cython.Distutils.build_ext` that
+does not provide the `cython_sources` function used in `setup.py`.
+
+Explicitly importing `old_build_ext` preserves the existing behavior for
+recent Cython<3 and uses the correct behavior for Cython 3. Should the
+import fail (*e.g.*, because the version of Cython available predates
+the availability of `old_build_ext`), the import falls back to just
+`Cython.Distutils.build_ext`.
+
+Signed-off-by: Andrew J. Hesford <ajh@sideband.org>
+Upstream-Status: Denied [https://github.com/yaml/pyyaml/pull/731]
+Signed-off-by: Alexander Kanavin <alex@linutronix.de>
+---
+ pyproject.toml | 2 +-
+ setup.py | 6 +++++-
+ 2 files changed, 6 insertions(+), 2 deletions(-)
+
+diff --git a/pyproject.toml b/pyproject.toml
+index 4bc04c0..2bf5ec8 100644
+--- a/pyproject.toml
++++ b/pyproject.toml
+@@ -1,3 +1,3 @@
+ [build-system]
+-requires = ["setuptools", "wheel", "Cython<3.0"]
++requires = ["setuptools", "wheel", "Cython"]
+ build-backend = "setuptools.build_meta"
+diff --git a/setup.py b/setup.py
+index 65b0ea0..4461580 100644
+--- a/setup.py
++++ b/setup.py
+@@ -82,7 +82,11 @@ if 'sdist' in sys.argv or os.environ.get('PYYAML_FORCE_CYTHON') == '1':
+ with_cython = True
+ try:
+ from Cython.Distutils.extension import Extension as _Extension
+- from Cython.Distutils import build_ext as _build_ext
++ try:
++ from Cython.Distutils.old_build_ext import old_build_ext as _build_ext
++ except ImportError:
++ from Cython.Distutils import build_ext as _build_ext
++
+ with_cython = True
+ except ImportError:
+ if with_cython:
+--
+2.39.2
+