fix build wheel on PyPy 3.8 (#139)

Author: lexdene

libmc/__init__.py

@@ -33,8 +33,8 @@
     __file__ as _libmc_so_file
 )
 
-__VERSION__ = "1.4.9"
-__version__ = "1.4.9"
+__VERSION__ = "1.4.10"
+__version__ = "1.4.10"
 __author__ = "mckelvin"
 __email__ = "[email protected]"
 __date__ = "Fri Jun  7 06:16:00 2024 +0800"

setup.py

@@ -99,8 +99,15 @@ def find_version(*file_paths):
         "License :: OSI Approved :: BSD License",
         "Topic :: Software Development :: Libraries",
     ],
-    # Support for the basestring type is new in Cython 0.20.
-    setup_requires=["Cython >= 0.20"],
+    setup_requires=[
+        # Support for the basestring type is new in Cython 0.20.
+        'Cython >= 0.20 ; implementation_name != "pypy"',
+        'Cython >= 0.20 ; implementation_name == "pypy" and python_version > "3.8"',
+
+        # compile error in PyPy 3.8 with Cython 3.1.2
+        # error: 'PyDescr_NewMember' was not declared in this scope
+        'Cython >= 0.20, < 3.1; implementation_name == "pypy" and python_version <= "3.8"',
+    ],
     ext_modules=[
         Extension(
             "libmc._client",

src/version.go

@@ -1,6 +1,6 @@
 package golibmc
 
-const _Version = "1.4.9"
+const _Version = "1.4.10"
 const _Author = "mckelvin"
 const _Email = "[email protected]"
 const _Date = "Fri Jun  7 06:16:00 2024 +0800"