Index: llvm/trunk/lib/Fuzzer/test/CMakeLists.txt
===================================================================
--- llvm/trunk/lib/Fuzzer/test/CMakeLists.txt
+++ llvm/trunk/lib/Fuzzer/test/CMakeLists.txt
@@ -195,10 +195,20 @@
 
 set_target_properties(LLVMFuzzer-DSOTest PROPERTIES RUNTIME_OUTPUT_DIRECTORY
   "${CMAKE_BINARY_DIR}/lib/Fuzzer/test")
-set_target_properties(LLVMFuzzer-DSO1 PROPERTIES LIBRARY_OUTPUT_DIRECTORY
-  "${CMAKE_BINARY_DIR}/lib/Fuzzer/lib")
-set_target_properties(LLVMFuzzer-DSO2 PROPERTIES LIBRARY_OUTPUT_DIRECTORY
-  "${CMAKE_BINARY_DIR}/lib/Fuzzer/lib")
+
+if(MSVC)
+  set_output_directory(LLVMFuzzer-DSO1
+    BINARY_DIR "${CMAKE_BINARY_DIR}/lib/Fuzzer/test"
+    LIBRARY_DIR "${CMAKE_BINARY_DIR}/lib/Fuzzer/test")
+  set_output_directory(LLVMFuzzer-DSO2
+    BINARY_DIR "${CMAKE_BINARY_DIR}/lib/Fuzzer/test"
+    LIBRARY_DIR "${CMAKE_BINARY_DIR}/lib/Fuzzer/test")
+else(MSVC)
+  set_output_directory(LLVMFuzzer-DSO1
+    LIBRARY_DIR "${CMAKE_BINARY_DIR}/lib/Fuzzer/lib")
+  set_output_directory(LLVMFuzzer-DSO2
+    LIBRARY_DIR "${CMAKE_BINARY_DIR}/lib/Fuzzer/lib")
+endif()
 
 set(TestBinaries ${TestBinaries} LLVMFuzzer-DSOTest)
 
Index: llvm/trunk/lib/Fuzzer/test/DSO1.cpp
===================================================================
--- llvm/trunk/lib/Fuzzer/test/DSO1.cpp
+++ llvm/trunk/lib/Fuzzer/test/DSO1.cpp
@@ -2,7 +2,9 @@
 // License. See LICENSE.TXT for details.
 
 // Source code for a simple DSO.
-
+#ifdef _WIN32
+__declspec( dllexport )
+#endif
 int DSO1(int a) {
   if (a < 123456)
     return 0;
Index: llvm/trunk/lib/Fuzzer/test/DSO2.cpp
===================================================================
--- llvm/trunk/lib/Fuzzer/test/DSO2.cpp
+++ llvm/trunk/lib/Fuzzer/test/DSO2.cpp
@@ -2,7 +2,9 @@
 // License. See LICENSE.TXT for details.
 
 // Source code for a simple DSO.
-
+#ifdef _WIN32
+__declspec( dllexport )
+#endif
 int DSO2(int a) {
   if (a < 3598235)
     return 0;