diff --git a/Tests/CustComDepend/CMakeLists.txt b/Tests/CustComDepend/CMakeLists.txt
index 40d8a6ba4..e4a332574 100644
--- a/Tests/CustComDepend/CMakeLists.txt
+++ b/Tests/CustComDepend/CMakeLists.txt
@@ -1,4 +1,5 @@
 project(CustComDepend)
+include_directories("${CustComDepend_SOURCE_DIR}")
 add_definitions(-D_CRT_SECURE_NO_DEPRECATE=1)
 set(EXECUTABLE_OUTPUT_PATH ${CustComDepend_BINARY_DIR}/bin)
 add_executable(foo foo.cxx)
diff --git a/Tests/CustComDepend/bar.h b/Tests/CustComDepend/bar.h
new file mode 100644
index 000000000..d462c9b5b
--- /dev/null
+++ b/Tests/CustComDepend/bar.h
@@ -0,0 +1,9 @@
+#ifdef _WIN32
+#  ifdef bar_EXPORTS
+#    define BAR_EXPORT  __declspec( dllexport )
+#  else
+#    define BAR_EXPORT  __declspec( dllimport )
+#  endif
+#else
+#  define BAR_EXPORT 
+#endif
diff --git a/Tests/CustComDepend/foo.cxx b/Tests/CustComDepend/foo.cxx
index 54471cca3..3c204f8a2 100644
--- a/Tests/CustComDepend/foo.cxx
+++ b/Tests/CustComDepend/foo.cxx
@@ -8,7 +8,7 @@ int main(int ac, char** av)
     {
     return -1;
     }
-  fprintf(fout, "int bar(){ return 10;}\n");
+  fprintf(fout, "#include <bar.h>\nBAR_EXPORT int bar(){ return 10;}\n");
   fclose(fout);
   return 0;
 }