threads: check defines before using them in automatic thread detection

13 years ago · 7052618c7e
parent 846dca1aa3
commit 7052618c7e
1 changed files with 2 additions and 2 deletions
--- 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);