From 311f61e1b4d508eb31c4c82c3dcd8137da4111d4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Reimar=20D=C3=B6ffinger?= <Reimar.Doeffinger@gmx.de>
Date: Mon, 30 Dec 2013 00:47:12 +0100
Subject: [PATCH] configure: check that pthreads is compatible with compiler.
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In particular the mutex initialization for example won't actually
compile with e.g. gcc 2.95.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
---
 configure | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure b/configure
index 2604ae7bb4..de2d87a4ee 100755
--- a/configure
+++ b/configure
@@ -4359,6 +4359,7 @@ if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
     elif ! check_func pthread_join && ! check_func pthread_create; then
         disable pthreads
     fi
+    check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads
 fi
 
 for thread in $THREADS_LIST; do