diff --git a/lib/rossym/CMakeLists.txt b/lib/rossym/CMakeLists.txt
index 2989ea1615e..98e9ee4f881 100644
--- a/lib/rossym/CMakeLists.txt
+++ b/lib/rossym/CMakeLists.txt
@@ -1,5 +1,7 @@
 
-if(NOT MSVC)
+if(MSVC)
+add_library(rossym dummy.c)
+else()
 add_definitions(-D_NTSYSTEM_)
 list(APPEND SOURCE
     delete.c
diff --git a/lib/rossym/dummy.c b/lib/rossym/dummy.c
new file mode 100644
index 00000000000..03ded402ec3
--- /dev/null
+++ b/lib/rossym/dummy.c
@@ -0,0 +1 @@
+/* This file is intentionally left empty */