diff --git a/uppsrc/umk/MacOs.cpp b/uppsrc/umk/MacOs.cpp
new file mode 100644
index 000000000..16de9442a
--- /dev/null
+++ b/uppsrc/umk/MacOs.cpp
@@ -0,0 +1,37 @@
+#include "umake.h"
+#include <Draw/Draw.h>
+
+#ifdef PLATFORM_COCOA
+
+namespace Upp { // Silence linker errors
+
+CommonFontInfo GetFontInfoSys(Font font)
+{
+	CommonFontInfo fi;
+	return fi;
+}
+
+GlyphInfo  GetGlyphInfoSys(Font font, int chr)
+{
+	GlyphInfo gi;
+	return gi;
+}
+
+Vector<FaceInfo> GetAllFacesSys()
+{
+	Vector<FaceInfo> r;
+	return r;
+}
+
+String GetFontDataSys(Font font)
+{
+	return String();
+}
+
+void RenderCharacterSys(FontGlyphConsumer& sw, double x, double y, int chr, Font font)
+{
+}
+
+};
+
+#endif
\ No newline at end of file
diff --git a/uppsrc/umk/umk.upp b/uppsrc/umk/umk.upp
index 09077fb49..8d0e221d6 100644
--- a/uppsrc/umk/umk.upp
+++ b/uppsrc/umk/umk.upp
@@ -4,6 +4,7 @@ uses
 	ide\Builders;
 
 file
+	MacOs.cpp,
 	umake.h,
 	Console.cpp,
 	IdeContext.cpp,