1 files changed, 3 insertions, 1 deletions
diff --git a/gnumake.h b/gnumake.h
index 168f370..8c622b7 100644
--- a/gnumake.h
+++ b/gnumake.h
@@ -28,7 +28,9 @@ typedef struct
 
 
 #ifdef _WIN32
-# ifndef GMK_EXPORT
+# ifdef GMK_BUILDING_MAKE
+#  define GMK_EXPORT  __declspec(dllexport)
+# else
 #  define GMK_EXPORT  __declspec(dllimport)
 # endif
 #else