From 85f619d7a434e9d72ad9efa622127a996546646b Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sun, 21 Oct 2018 21:31:46 -0400
Subject: slbt_exec_link_finalize_argument_vector(): remove redundant -L
 arguments.

---
 src/logic/slbt_exec_link.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src')

diff --git a/src/logic/slbt_exec_link.c b/src/logic/slbt_exec_link.c
index ed45d67..d5ebf71 100644
--- a/src/logic/slbt_exec_link.c
+++ b/src/logic/slbt_exec_link.c
@@ -693,6 +693,20 @@ static int slbt_exec_link_finalize_argument_vector(
 				}
 			}
 
+		/* -L argument? */
+		} else if ((parg[0][0] == '-') && (parg[0][1] == 'L')) {
+			/* find a previous occurence of this -L argument */
+			for (rarg=0, larg=aargv; !rarg && (larg<aarg); larg++)
+				if (!strcmp(*larg,*parg))
+					rarg = larg;
+
+			/* repeated -L argument? */
+			if (rarg) {
+				parg++;
+			} else {
+				*aarg++ = *parg++;
+			}
+
 		/* placeholder argument? */
 		} else if (!strncmp(*parg,"-USLIBTOOL_PLACEHOLDER_",23)) {
 			parg++;
-- 
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