From 7052618c7ed6e907434b2b6ef18e77b9d2644676 Mon Sep 17 00:00:00 2001
From: Janne Grunau <janne-libav@jannau.net>
Date: Fri, 23 Dec 2011 11:10:37 +0100
Subject: [PATCH] threads: check defines before using them in automatic thread
 detection

---
 libavcodec/pthread.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/pthread.c b/libavcodec/pthread.c
index 89141504f8..f842edf861 100644
--- a/libavcodec/pthread.c
+++ b/libavcodec/pthread.c
@@ -152,7 +152,7 @@ typedef struct FrameThreadContext {
 static int get_logical_cpus(AVCodecContext *avctx)
 {
     int ret, nb_cpus = 1;
-#if HAVE_SCHED_GETAFFINITY
+#if HAVE_SCHED_GETAFFINITY && defined(CPU_COUNT)
     cpu_set_t cpuset;
 
     CPU_ZERO(&cpuset);
@@ -165,7 +165,7 @@ static int get_logical_cpus(AVCodecContext *avctx)
     SYSTEM_INFO sysinfo;
     GetSystemInfo(&sysinfo);
     nb_cpus = sysinfo.dwNumberOfProcessors;
-#elif HAVE_SYSCTL
+#elif HAVE_SYSCTL && defined(HW_NCPU)
     int mib[2] = { CTL_HW, HW_NCPU };
     size_t len = sizeof(nb_cpus);
 
-- 
2.11.0