diff --git a/w32api/Makefile b/w32api/Makefile
new file mode 100755
index 0000000..1fd1841
--- /dev/null
+++ b/w32api/Makefile
@@ -0,0 +1,10 @@
+TARGET_ARCH = -mno-cygwin
+CFLAGS = $(WARNINGS) $(DEFINES) $(INCLUDES)
+DEFINES = -DWIN32_LEAN_AND_MEAN
+INCLUDES = -I${LUA}/src
+WARNINGS = -W -Wall
+LUA = /home/mark/src/lang/lua/lua-5.1
+LUALIBS = -L$(LUA)/src -llua51
+
+osex.dll: osex.o
+	$(CC) -shared -o $@ osex.o $(LUALIBS) /c/windows/system32/msvcrt.dll