2009-04-14  Diego Novillo  <dnovillo@google.com>
	    Le-Chun Wu  <lcwu@google.com>

	* configure.ac: Add --enable-plugin support.
	Define ENABLE_PLUGIN and PLUGINLIBS when specified.
	* Makefile.in (PLUGIN_H): Define.
	Export ENABLE_PLUGIN and GMPINC to site.exp.
	Add PLUGINLIBS to link command.
	Add/modify dependencies for plugin.o and files including plugin.h.
	(plugin.o): New.
	* config.in: Regenerate.
	
	* opts.c (common_handle_option): Handle OPT_fplugin_ and
	OPT_fplugin_arg_.

2009-04-14  Le-Chun Wu  <lcwu@google.com>

	* tree-pass.h (register_one_dump_file): Add a prototype for
	register_one_dump_file.
	* toplev.c (compile_file): Call initialize_plugins.
	(do_compile): Call invoke_plugin_callbacks.
	(toplev_main): Call invoke_plugin_callbacks.
	* common.opt: Add -fplugin= and -fplugin-arg-.
	* gcc-plugin.h: New public header file for plugins to include.
	* plugin.c: New source file.
	* plugin.h: New internal header file.
	* passes.c (register_one_dump_file): Make it external.
	
	* c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.

2009-04-14  Diego Novillo  <dnovillo@google.com>

	* doc/plugins.texi: New.
	* doc/gccint.texi: Add reference to Plugins chapter.
	* doc/invoke.texi: Document -fplugin and -fplugin-arg
	* diagnostic.c (diagnostic_report_diagnostic): Warn about
	loaded plugins, if any.
	* timevar.def (TV_PLUGIN_INIT): Define.
	(TV_PLUGIN_RUN): Define.
	* plugin.c: Include timevar.h
	(plugins_active_p): New.
	(dump_active_plugins): New.
	(debug_active_plugins): New.


cp/ChangeLog

2009-04-14  Le-Chun Wu  <lcwu@google.com>

	* Make-lang.in: Modify dependencies of files including plugin.h.
	* decl.c (finish_function): Call invoke_plugin_callbacks.
	* parser.c (cp_parser_type_specifier): Call invoke_plugin_callbacks.

From-SVN: r146059