From 0a2adeb5931f92697ab9f7451c7010b19c58ce92 Mon Sep 17 00:00:00 2001
From: Tim Edwards <tim@opencircuitdesign.com>
Date: Fri, 19 Mar 2021 13:57:11 -0400
Subject: [PATCH] Modified the "flatten" command to allow class "module" to be
 flattened.  This is marginally useful---since the "module" class is a black
 box, it is essentially the same as using the "ignore" command.

---
 base/flatten.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/base/flatten.c b/base/flatten.c
index 1f278ba..f53e16e 100644
--- a/base/flatten.c
+++ b/base/flatten.c
@@ -319,7 +319,7 @@ int flattenInstancesOf(char *name, int fnum, char *instance)
 	 Printf(" Flattening instance: %s, primitive = %s\n",
 			ParentParams->instance.name, (ChildCell->class == 
 			CLASS_SUBCKT) ? "no" : "yes");
-      if (ChildCell->class != CLASS_SUBCKT) {
+      if ((ChildCell->class != CLASS_SUBCKT) && (ChildCell->class != CLASS_MODULE)) {
 	   LastObj = ParentParams;
 	   continue;
       }