diff -Naur SRC_old/parse_making_ast.c SRC/parse_making_ast.c
--- SRC_old/parse_making_ast.c	2013-08-02 21:46:59.053272167 -0400
+++ SRC/parse_making_ast.c	2013-10-11 13:10:53.522662992 -0400
@@ -39,7 +39,7 @@
 
 extern int yylineno;
 
-STRING_CACHE *defines_for_file_sc;
+STRING_CACHE *defines_for_file_sc = NULL;
 STRING_CACHE **defines_for_module_sc;
 STRING_CACHE *modules_inputs_sc;
 STRING_CACHE *modules_outputs_sc;
@@ -221,7 +221,9 @@
  *-------------------------------------------------------------------------------------------*/
 void init_parser()
 {
-	defines_for_file_sc = sc_new_string_cache();
+	if (defines_for_file_sc == NULL) {
+	    defines_for_file_sc = sc_new_string_cache();
+	}
 
 	defines_for_module_sc = NULL;
 
@@ -265,7 +267,9 @@
 {
 	/* crrate a hash for defines so we can look them up when we find them */
 	defines_for_module_sc = (STRING_CACHE**)realloc(defines_for_module_sc, sizeof(STRING_CACHE*)*(num_modules+1));
-	defines_for_module_sc[num_modules] = sc_new_string_cache();
+	// if (defines_for_module_sc[num_modules] == NULL)
+	if (num_modules == 0)
+	    defines_for_module_sc[num_modules] = sc_new_string_cache();
 
 	/* create string caches to hookup PORTS with INPUT and OUTPUTs.  This is made per module and will be cleaned and remade at next_module */
 	modules_inputs_sc = sc_new_string_cache();
@@ -279,6 +283,7 @@
 {
 	/* cleanup the defines hash */
 	sc_free_string_cache(defines_for_file_sc);
+	defines_for_file_sc = NULL;
 }
 
 /*---------------------------------------------------------------------------------------------