From: Ngie Cooper <yanegomi@gmail.com>
Date: Thu, 14 Jul 2016 05:32:09 +0000 (-0700)
Subject: Remove optarg, opterr, and optind definitions to quell -Wshadow warnings
X-Git-Tag: release-1.7.0-rc1~53
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=45cb42fe4dbb768d4f1d64f671c866b68119e114;p=thirdparty%2Fldns.git

Remove optarg, opterr, and optind definitions to quell -Wshadow warnings

They are by POSIX definition made available with unistd.h

Reported by: clang 3.8.0, gcc 5.3.0
Signed-off-by: Ngie Cooper <yanegomi@gmail.com>
---

diff --git a/drill/configure.ac b/drill/configure.ac
index b7fe2aee..a11d131f 100644
--- a/drill/configure.ac
+++ b/drill/configure.ac
@@ -258,9 +258,6 @@ AH_BOTTOM([
 #include <ws2tcpip.h>
 #endif
 
-extern char *optarg;
-extern int optind, opterr;
-
 #ifndef EXIT_FAILURE
 #define EXIT_FAILURE  1
 #endif