bpo-41111: xxlimited.c defines Py_LIMITED_API (GH-25151)

xxlimited.c and xxlimited_35.c now define the Py_LIMITED_API macro,
rather than having to do it in the build recipe.

Co-authored-by: Hai Shi <[email protected]>

Author: vstinner

Modules/xxlimited.c

@@ -55,6 +55,8 @@
           pass
    */
 
+#define Py_LIMITED_API 0x030a0000
+
 #include "Python.h"
 
 // Module state

Modules/xxlimited_35.c

@@ -5,10 +5,12 @@
  * See the xxlimited module for an extension module template.
  */
 
-/* Xxo objects */
+#define Py_LIMITED_API 0x03050000
 
 #include "Python.h"
 
+/* Xxo objects */
+
 static PyObject *ErrorObject;
 
 typedef struct {

PCbuild/xxlimited.vcxproj

@@ -93,9 +93,6 @@
     <_ProjectFileVersion>10.0.30319.1</_ProjectFileVersion>
   </PropertyGroup>
   <ItemDefinitionGroup>
-    <ClCompile>
-      <PreprocessorDefinitions>%(PreprocessorDefinitions);Py_LIMITED_API=0x030A0000</PreprocessorDefinitions>
-    </ClCompile>
     <Link>
       <AdditionalDependencies>wsock32.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>

PCbuild/xxlimited_35.vcxproj

@@ -93,9 +93,6 @@
     <_ProjectFileVersion>10.0.30319.1</_ProjectFileVersion>
   </PropertyGroup>
   <ItemDefinitionGroup>
-    <ClCompile>
-      <PreprocessorDefinitions>%(PreprocessorDefinitions);Py_LIMITED_API=0x03060000</PreprocessorDefinitions>
-    </ClCompile>
     <Link>
       <AdditionalDependencies>wsock32.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>

setup.py

@@ -1865,10 +1865,8 @@ def detect_modules(self):
 ##         self.add(Extension('xx', ['xxmodule.c']))
 
         # Limited C API
-        self.add(Extension('xxlimited', ['xxlimited.c'],
-                           define_macros=[('Py_LIMITED_API', '0x030a0000')]))
-        self.add(Extension('xxlimited_35', ['xxlimited_35.c'],
-                           define_macros=[('Py_LIMITED_API', '0x03050000')]))
+        self.add(Extension('xxlimited', ['xxlimited.c']))
+        self.add(Extension('xxlimited_35', ['xxlimited_35.c']))
 
     def detect_tkinter_fromenv(self):
         # Build _tkinter using the Tcl/Tk locations specified by