From eb492a412dfa4bd69a5029d202ba19b23644d06e Mon Sep 17 00:00:00 2001
From: vrokas <vrokas@4a8a32a2-be11-0410-ad9d-d568d2c75423>
Date: Tue, 20 Jul 2004 12:50:09 +0000
Subject: [PATCH] * src/pic16/glue.c (pic16_emitRegularMap): unused functions
 marked as external are not declared as extern to reduce overhead while
 linking

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@3387 4a8a32a2-be11-0410-ad9d-d568d2c75423
---
 src/pic16/glue.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/pic16/glue.c b/src/pic16/glue.c
index d92db723..f59f1536 100644
--- a/src/pic16/glue.c
+++ b/src/pic16/glue.c
@@ -142,6 +142,12 @@ pic16emitRegularMap (memmap * map, bool addPublics, bool arFlag)
 
 		/* if extern then add to externs */
 		if (IS_EXTERN (sym->etype)) {
+			
+			/* reduce overhead while linking by not declaring
+			 * extern unused external functions (usually declared
+			 * in header files) */
+			if(IS_FUNC(sym->type) && !sym->used)continue;
+			
 			checkAddSym(&externs, sym);
 			continue;
 		}
-- 
2.47.2