From 41262498ff89ef48e5ce4823b2fc2dc514a3eb0c Mon Sep 17 00:00:00 2001
From: Luca Barbato <lu_zero@gentoo.org>
Date: Sun, 23 Apr 2017 14:10:20 +0000
Subject: [PATCH] configure: Fix sem_timedwait probe

It requires pthreads.
---
 configure | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure b/configure
index 967d7d9a10..c7d0363618 100755
--- a/configure
+++ b/configure
@@ -4693,7 +4693,7 @@ if ! disabled pthreads && ! enabled w32threads; then
 fi
 
 enabled pthreads &&
-    check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)"
+    check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs
 
 disabled  zlib || check_lib  zlib  zlib.h      zlibVersion -lz
 disabled bzlib || check_lib bzlib bzlib.h BZ2_bzlibVersion -lbz2