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 }
-#   endif
-#  endif
 # endif
 #endif
 
@@ -391,44 +193,17 @@ __mempcpy_small (void *__dest, char __src1,
 /* Return pointer to C in S.  */
 #ifndef _HAVE_STRING_ARCH_strchr
 extern void *__rawmemchr (const void *__s, int __c);
-# if __GNUC_PREREQ (3, 2)
 #  define strchr(s, c) \
   (__extension__ (__builtin_constant_p (c) && !__builtin_constant_p (s)	      \
 		  && (c) == '\0'					      \

 # define _weak_hidden_alias(name, aliasname) \
   extern __typeof (name) aliasname \
-    __attribute__ ((weak, alias (#name), __visibility__ ("hidden")));
+    __attribute__ ((weak, alias (#name), __visibility__ ("hidden"))) \
+    __attribute_copy__ (name);
 
 /* Declare SYMBOL as weak undefined symbol (resolved to 0 if not defined).  */
 # define weak_extern(symbol) _weak_extern (weak symbol)
@@ -528,7 +536,8 @@ for linking")