diff --git a/src/base/main/libSupport.c b/src/base/main/libSupport.c
index 8c92a5953..dfcc0988d 100644
--- a/src/base/main/libSupport.c
+++ b/src/base/main/libSupport.c
@@ -26,6 +26,9 @@
 
 ABC_NAMESPACE_IMPL_START
 
+#if defined(ABC_NO_DYNAMIC_LINKING)
+#define WIN32
+#endif
 
 #ifndef WIN32
 # include <sys/types.h>