diff --git a/project/jni/lzma/jniwrapperstuff.h b/project/jni/lzma/jniwrapperstuff.h
new file mode 100644
index 000000000..6a37980aa
--- /dev/null
+++ b/project/jni/lzma/jniwrapperstuff.h
@@ -0,0 +1,13 @@
+
+/* JNI-C++ wrapper stuff */
+#ifndef _JNI_WRAPPER_STUFF_H_
+#define _JNI_WRAPPER_STUFF_H_
+
+#ifndef SDL_JAVA_PACKAGE_PATH
+#error You have to define SDL_JAVA_PACKAGE_PATH to your package path with dots replaced with underscores, for example "com_example_SanAngeles"
+#endif
+#define JAVA_EXPORT_NAME2(name,package) Java_##package##_##name
+#define JAVA_EXPORT_NAME1(name,package) JAVA_EXPORT_NAME2(name,package)
+#define JAVA_EXPORT_NAME(name) JAVA_EXPORT_NAME1(name,SDL_JAVA_PACKAGE_PATH)
+
+#endif