From 0a1cb9ca99cc42c41a62d70cc842fbdc4966862f Mon Sep 17 00:00:00 2001
From: Tim Edwards <tim@opencircuitdesign.com>
Date: Mon, 26 Oct 2020 11:41:36 -0400
Subject: [PATCH] Added a method to ignore a specific device extraction
 combination by setting the model name to "Ignore" in the tech file.

---
 VERSION            | 2 +-
 extract/ExtBasic.c | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/VERSION b/VERSION
index fbf1f18d..ff64910e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-8.3.72
+8.3.73
diff --git a/extract/ExtBasic.c b/extract/ExtBasic.c
index b273c5ab..7d9aa667 100644
--- a/extract/ExtBasic.c
+++ b/extract/ExtBasic.c
@@ -1857,6 +1857,14 @@ extOutputDevices(def, transList, outFile)
 #endif
 	extTransRec.tr_devrec = devptr;
 
+	/* Model type "Ignore" in the techfile indicates a device   */
+	/* to be ignored (i.e., a specific combination of layers    */
+	/* does not form an extractable device, or overlaps another */
+	/* device type that should take precedence).		    */
+
+	if (!strcmp(devptr->exts_deviceName, "Ignore"))
+	    continue;
+
 	/* Original-style FET record backward compatibility */
 	if (devptr->exts_deviceClass != DEV_FET)
 	    fprintf(outFile, "device ");