The compile fails with the following error:
"argument format specified for non-function"
It's due to a lack of a feature in gcc 3.0.x
That features only appear in gcc 3.1
As seen in cvsweb:
RCS file: /cvs/gcc/gcc/gcc/c-format.c,v
retrieving revision 1.1.4.1
retrieving revision 1.17
diff -u -r1.1.4.1 -r1.17
--- gcc/gcc/c-format.c	2001/03/02 19:51:56	1.1.4.1 gcc_3_0_4_release
+++ gcc/gcc/c-format.c	2002/02/20 22:54:32	1.17 gcc_3_1_release
....
   tree argument;
-  unsigned int arg_num;
-
-  if (TREE_CODE (decl) != FUNCTION_DECL)
-    {
-      error_with_decl (decl,
-		       "argument format specified for non-function `%s'");
-      return;
-    }
+  unsigned HOST_WIDE_INT arg_num;
....