From abd444f9ce3ab83975215571656fef1cdcd3cbe2 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Wed, 24 Mar 2021 21:33:46 -0600
Subject: [PATCH] candump.c:  Must not extern optind, et al

optined, et al, are not longer simple globals variables (after incubator-nuttx PR 3170).  Redundantly externing them in application code now results in compilation errors.
---
 canutils/candump/candump.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/canutils/candump/candump.c b/canutils/candump/candump.c
index b040c1542..7b3074cc3 100644
--- a/canutils/candump/candump.c
+++ b/canutils/candump/candump.c
@@ -111,8 +111,6 @@ const int canfd_on = 1;
 const char anichar[MAXANI] = {'|', '/', '-', '\\'};
 const char extra_m_info[4][4] = {"- -", "B -", "- E", "B E"};
 
-extern int optind, opterr, optopt;
-
 static volatile int running = 1;
 
 static void print_usage(char *prg)