better error message

diff --git a/Cython/Compiler/Symtab.py b/Cython/Compiler/Symtab.py
index 5c70dcb35c9022fc31d3878a5386fefdeb17bba2..5b547b89b8fbe8527b888fa2b85b612e5e3396ea 100644 (file)
--- a/Cython/Compiler/Symtab.py
+++ b/Cython/Compiler/Symtab.py
@@ -440,7 +440,7 @@ class Scope:
         if api:
             entry.api = 1
         if not defining and not in_pxd and visibility != 'extern':
-            error(pos, "Non-extern C function declared but not defined")
+            error(pos, "Non-extern C function '%s' declared but not defined" % name)
         return entry
     
     def add_cfunction(self, name, type, pos, cname, visibility):