fix #9673.

boostorg · Feb 26, 2014 · 82379f8 · 82379f8
1 parent 9d1c957
commit 82379f8
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/win32/thread.cpp b/src/win32/thread.cpp
@@ -420,6 +420,7 @@ namespace boost
     unsigned thread::physical_concurrency() BOOST_NOEXCEPT
     {
         unsigned cores = 0;
+#if !(defined(__MINGW32__) || defined (__MINGW64__))
         DWORD size = 0;
 
         GetLogicalProcessorInformation(NULL, &size);
@@ -436,6 +437,7 @@ namespace boost
             if (buffer[i].Relationship == RelationProcessorCore)
                 ++cores;
         }
+#endif
         return cores;
     }