fix public C-APIs: was missing macro definition of __Pyx_PyIdentifier_FromString()

Cython/Compiler/ModuleNode.py

@@ -236,6 +236,7 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
                     cname = env.mangle(Naming.varptr_prefix, entry.name)
                     h_code.putln("static %s = 0;" %  type.declaration_code(cname))
                     h_code.putln("#define %s (*%s)" % (entry.name, cname))
+            h_code.put(UtilityCode.load_cached("PyIdentifierFromString", "ModuleSetupCode.c").proto)
             h_code.put(import_module_utility_code.impl)
             if api_vars:
                 h_code.put(voidptr_import_utility_code.impl)
@@ -2374,7 +2375,8 @@ bad:
     return 0;
 }
 #endif
-""")
+""",
+requires=[UtilityCode.load_cached("PyIdentifierFromString", "ModuleSetupCode.c")])
 
 #------------------------------------------------------------------------------------
 
@@ -2435,7 +2437,8 @@ bad:
     return NULL;
 }
 #endif
-""")
+""",
+requires=[UtilityCode.load_cached("PyIdentifierFromString", "ModuleSetupCode.c")])
 
 #------------------------------------------------------------------------------------
 

Cython/Utility/ModuleSetupCode.c

@@ -83,12 +83,10 @@
 
 #if PY_MAJOR_VERSION < 3
   #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
-  #define __Pyx_PyIdentifier_FromString(s) PyString_FromString(s)
   #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
           PyCode_New(a, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
 #else
   #define __Pyx_BUILTIN_MODULE_NAME "builtins"
-  #define __Pyx_PyIdentifier_FromString(s) PyUnicode_FromString(s)
   #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
           PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
 #endif
@@ -369,3 +367,14 @@ static int __Pyx_check_binary_version(void) {
     }
     return 0;
 }
+
+/////////////// PyIdentifierFromString.proto ///////////////
+
+#if !defined(__Pyx_PyIdentifier_FromString)
+#if PY_MAJOR_VERSION < 3
+  #define __Pyx_PyIdentifier_FromString(s) PyString_FromString(s)
+#else
+  #define __Pyx_PyIdentifier_FromString(s) PyUnicode_FromString(s)
+#endif
+#endif
+