compile fix for ancient tbb versions without task_arean support

RenderKit · Nov 21, 2016 · 4714fd1 · 4714fd1
1 parent ad2afaa
commit 4714fd1
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/kernels/bvh/bvh_builder_twolevel.cpp b/kernels/bvh/bvh_builder_twolevel.cpp
@@ -137,7 +137,7 @@ namespace embree
         /* compute PrimRefs */
         prims.resize(refs.size());
 
-#if defined(TASKING_TBB) && defined(__AVX512F__)
+#if defined(TASKING_TBB) && defined(__AVX512F__) && USE_TASK_ARENA
         tbb::task_arena limited(32);
         limited.execute([&]
 #endif
@@ -186,7 +186,7 @@ namespace embree
             bvh->set(root,LBBox3fa(pinfo.geomBounds),numPrimitives);
           }
         }
-#if defined(TASKING_TBB) && defined(__AVX512F__)
+#if defined(TASKING_TBB) && defined(__AVX512F__) && USE_TASK_ARENA
           );
 #endif