Index: lib/Fuzzer/test/CMakeLists.txt
===================================================================
--- lib/Fuzzer/test/CMakeLists.txt
+++ lib/Fuzzer/test/CMakeLists.txt
@@ -90,17 +90,19 @@
 
 set(TestBinaries ${TestBinaries} LLVMFuzzer-Unittest)
 
-add_subdirectory(dfsan)
+if(NOT APPLE)
+  add_subdirectory(dfsan)
 
-foreach(Test ${DFSanTests})
-  set(TestBinaries ${TestBinaries} LLVMFuzzer-${Test}-DFSan)
-endforeach()
-
-add_subdirectory(uninstrumented)
-
-foreach(Test ${UninstrumentedTests})
-  set(TestBinaries ${TestBinaries} LLVMFuzzer-${Test}-Uninstrumented)
-endforeach()
+  foreach(Test ${DFSanTests})
+    set(TestBinaries ${TestBinaries} LLVMFuzzer-${Test}-DFSan)
+  endforeach()
+
+  add_subdirectory(uninstrumented)
+
+  foreach(Test ${UninstrumentedTests})
+    set(TestBinaries ${TestBinaries} LLVMFuzzer-${Test}-Uninstrumented)
+  endforeach()
+endif()
 
 add_subdirectory(trace-bb)