From: Mark Stapp <mjs@voltanet.io>
Date: Fri, 19 Feb 2021 16:09:52 +0000 (-0500)
Subject: build: test program needs to be warning-free
X-Git-Tag: frr-8.0.1~374^2
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=c00471326e1ec03850a08f74b7ce879a997940c7;p=mirror_frr.git

build: test program needs to be warning-free

One of the configure-time test programs produces a warning with
gcc 9 (at least), so it fails if -Werror is enabled. Fix that.

Signed-off-by: Mark Stapp <mjs@voltanet.io>
---

diff --git a/m4/ax_pthread.m4 b/m4/ax_pthread.m4
index d383ad5c6..b7872d987 100644
--- a/m4/ax_pthread.m4
+++ b/m4/ax_pthread.m4
@@ -219,7 +219,7 @@ for flag in $ax_pthread_flags; do
         # functions on Solaris that doesn't have a non-functional libc stub.
         # We try pthread_create on general principles.
         AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
-                        static void routine(void *a) { a = 0; }
+                        static void routine(void *a) { if (a) a = 0; }
                         static void *start_routine(void *a) { return a; }],
                        [pthread_t th; pthread_attr_t attr;
                         pthread_create(&th, 0, start_routine, 0);