From: Jory A. Pratt <anarchy@gentoo.org>

set pthread name for non glibc systems

diff --git a/js/src/threading/posix/Thread.cpp b/js/src/threading/posix/Thread.cpp
--- a/js/src/threading/posix/Thread.cpp
+++ b/js/src/threading/posix/Thread.cpp
@@ -155,18 +155,20 @@
   int rv;
 #ifdef XP_DARWIN
   rv = pthread_setname_np(name);
 #elif defined(__DragonFly__) || defined(__FreeBSD__) || defined(__OpenBSD__)
   pthread_set_name_np(pthread_self(), name);
   rv = 0;
 #elif defined(__NetBSD__)
   rv = pthread_setname_np(pthread_self(), "%s", (void*)name);
-#else
+#elif defined(__GLIBC__)
   rv = pthread_setname_np(pthread_self(), name);
+#else
+  rv = 0;
 #endif
   MOZ_RELEASE_ASSERT(!rv);
 }
 
 void js::ThisThread::GetName(char* nameBuffer, size_t len) {
   MOZ_RELEASE_ASSERT(len >= 16);
 
   int rv = -1;