* class.c (add_method_1): Set both DECL_EXTERNAL and METHOD_NATIVE
	on native function.
	* jcf-parse.c (parse_class_file): Call build_jni_stub for native
	JNI methods.
	* expr.c (build_jni_stub): New function.
	* lang-specs.h: -fjni and -femit-class-file are incompatible.
	* parse.c: Rebuilt.
	* parse.y (java_complete_expand_methods): Expand a native method
	and call build_jni_stub if -fjni given.
	* lang-options.h: Document -fjni.
	* lang.c (flag_jni): New global.
	(lang_f_options): Added `jni' entry.
	* java-tree.h (soft_lookupjnimethod_node,
	soft_getjnienvnewframe_node, soft_jnipopsystemframe_node):
	Declare.
	(flag_jni): Declare.
	(build_jni_stub): Declare.
	(struct lang_decl): Added `native' flag.
	(METHOD_NATIVE): Redefined to use `native' field of lang specific
	structure.
	* decl.c (soft_lookupjnimethod_node, soft_getjnienvnewframe_node,
	soft_jnipopsystemframe_node): New globals.
	(init_decl_processing): Set them.  _Jv_InitClass only takes one
	argument.

	* java-tree.def: Put into `C' mode.

From-SVN: r33615