--- binutils-2.25.1/gold/gold-threads.cc.orig	2015-10-20 22:39:36.371169400 +0100
+++ binutils-2.25.1/gold/gold-threads.cc	2015-10-20 22:39:38.182772700 +0100
@@ -101,7 +101,7 @@
   int err = pthread_mutexattr_init(&attr);
   if (err != 0)
     gold_fatal(_("pthead_mutextattr_init failed: %s"), strerror(err));
-#ifdef PTHREAD_MUTEX_ADAPTIVE_NP
+#if defined(PTHREAD_MUTEX_ADAPTIVE_NP) && !defined(_WIN32)
   err = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP);
   if (err != 0)
     gold_fatal(_("pthread_mutexattr_settype failed: %s"), strerror(err));