jcf-io.c (find_class): Use saw_java_source to determine when to look for `.java'...

jcf-io.c (find_class): Use saw_java_source to determine when to look for `.java' file.

	* jcf-io.c (find_class): Use saw_java_source to determine when to
	look for `.java' file.
	* jcf-parse.c (saw_java_source): New global.
	(yyparse): Set it if `.java' file seen.
	* Make-lang.in (JAVA_SRCS): Added jcf-path.c.
	(GCJH_SOURCES): Likewise.
	* Makefile.in (datadir): New macro.
	(libjava_zip): Likewise.
	(JAVA_OBJS): Added jcf-path.o.
	(../jcf-dump$(exeext)): Depend on and link with jcf-depend.o.
	(../gcjh$(exeext)): Likewise.
	(jcf-path.o): New target.
	* java-tree.h (fix_classpath): Removed decl.
	* jcf-parse.c (fix_classpath): Removed.
	(load_class): Don't call fix_classpath.
	* parse.y (read_import_dir): Don't call fix_classpath.
	* lex.h: Don't mention classpath.
	* lex.c (java_init_lex): Don't initialize classpath.
	* jcf-io.c (classpath): Removed global.
	(find_class): Use jcf_path iteration functions.  Correctly search
	class path for .java file.
	(open_in_zip): New argument `is_system'.
	* jcf-dump.c (main): Call jcf_path_init.  Recognize all new
	classpath-related options.
	* lang.c (lang_decode_option): Handle -fclasspath, -fCLASSPATH,
	and -I.
	(lang_init): Call jcf_path_init.
	* lang-options.h: Mention -I, -fclasspath, and -fCLASSPATH.
	* lang-specs.h: Handle -I.  Minor cleanup to -M options.
	Correctly put braces around second string in each entry.
	* gjavah.c (main): Call jcf_path_init.  Recognize all the new
	classpath-related options.
	(help): Updated for new options.
	* jcf.h: Declare functions from jcf-path.c.  Don't mention
	`classpath' global.
	* jcf-path.c: New file.
	* jcf-depend.c: Include jcf.h.
	* jcf-write.c (localvar_alloc): Returns `void'.
	(localvar_free): Removed unused variable.
	* lang.c (OBJECT_SUFFIX): Define if not already defined.
	(init_parse): Use OBJECT_SUFFIX, not ".o".

From-SVN: r23219