1 files changed, 12 insertions, 5 deletions
diff --git a/lib/sanitizer_common/sanitizer_mac.cc b/lib/sanitizer_common/sanitizer_mac.cc
index 98c5b94112cf..39a5c7e8d24f 100644
--- a/lib/sanitizer_common/sanitizer_mac.cc
+++ b/lib/sanitizer_common/sanitizer_mac.cc
@@ -109,6 +109,10 @@ uptr internal_readlink(const char *path, char *buf, uptr bufsize) {
   return readlink(path, buf, bufsize);
 }
 
+uptr internal_unlink(const char *path) {
+  return unlink(path);
+}
+
 uptr internal_sched_yield() {
   return sched_yield();
 }
@@ -213,10 +217,6 @@ uptr GetPageSize() {
   return sysconf(_SC_PAGESIZE);
 }
 
-BlockingMutex::BlockingMutex(LinkerInitialized) {
-  // We assume that OS_SPINLOCK_INIT is zero
-}
-
 BlockingMutex::BlockingMutex() {
   internal_memset(this, 0, sizeof(*this));
 }
@@ -298,7 +298,11 @@ MacosVersion GetMacosVersionInternal() {
         case '2': return MACOS_VERSION_MOUNTAIN_LION;
         case '3': return MACOS_VERSION_MAVERICKS;
         case '4': return MACOS_VERSION_YOSEMITE;
-        default: return MACOS_VERSION_UNKNOWN;
+        default:
+          if (IsDigit(version[1]))
+            return MACOS_VERSION_UNKNOWN_NEWER;
+          else
+            return MACOS_VERSION_UNKNOWN;
       }
     }
     default: return MACOS_VERSION_UNKNOWN;
@@ -321,6 +325,9 @@ uptr GetRSS() {
   return 0;
 }
 
+void *internal_start_thread(void (*func)(void *arg), void *arg) { return 0; }
+void internal_join_thread(void *th) { }
+
 }  // namespace __sanitizer
 
 #endif  // SANITIZER_MAC