BLD: add a Cython <3.0 constraint on Windows (32-bit Python tests crash)

rgommers · Sep 17, 2023 · b94f0c5 · b94f0c5
1 parent 05492d8
commit b94f0c5
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/pyproject.toml b/pyproject.toml
@@ -8,7 +8,9 @@
 build-backend = "mesonpy"
 requires = [
     "meson-python>=0.14.0",
-    "Cython>=0.29.35",  # when updating version, also update check in meson.build
+    # when updating Cython version, also update check in meson.build
+    "Cython>=0.29.35,<3.0; python_version>='3.12' and platform_system=='Windows'",
+    "Cython>=0.29.35; python_version<'3.12' or platform_system!='Windows'",
 
     # When numpy 2.0.0rc1 comes out, we should update this to build against 2.0,
     # and then runtime depend on the range 1.22.X to <2.3.