char *saw_gc = 0;
char *saw_gc ATTRIBUTE_UNUSED = 0;
lang_specific_driver (fn, in_argc, in_argv, in_added_libraries)     void (*fn)();     int *in_argc;     char ***in_argv;     int *in_added_libraries;{  int i, j;  /* If non-zero, the user gave us the `-v' flag.  */   int saw_verbose_flag = 0;  /* This will be 0 if we encounter a situation where we should not     link in libgcj.  */  int library = 1;#if COMBINE_INPUTS  /* This will be 1 if multiple input files (.class and/or .java)     should be passed to a single jc1 invocation. */  int combine_inputs = 0;  /* Index of last .java or .class argument. */  int last_input_index;  /* A buffer containing the concatenation of the inputs files     (e.g. "foo.java&bar.class&baz.class"). if combine_inputs. */  char* combined_inputs_buffer;  /* Next available location in combined_inputs_buffer. */  int combined_inputs_pos;  /* Number of .java and .class source file arguments seen. */  int java_files_count = 0;  int class_files_count = 0;  /* Cumulative length of the  .java and .class source file names. */  int java_files_length = 0;  int class_files_length = 0;#endif  /* The number of arguments being added to what's in argv, other than     libraries.  We use this to track the number of times we've inserted     -xc++/-xnone.  */  int added = 2;  /* Used to track options that take arguments, so we don't go wrapping     those with -xc++/-xnone.  */  char *quote = NULL;  /* The new argument list will be contained in this.  */  char **arglist;  /* Non-zero if we saw a `-xfoo' language specification on the     command line.  Used to avoid adding our own -xc++ if the user     already gave a language for the file.  */  int saw_speclang = 0;  /* "-lm" or "-lmath" if it appears on the command line.  */  char *saw_math = 0;  /* "-lc" if it appears on the command line.  */  char *saw_libc = 0;  /* "-lgcjgc" if it appears on the command line.  */  char *saw_gc = 0;  /* Saw `-l' option for the thread library.  */  char *saw_threadlib = 0;  /* Saw `-lgcj' on command line.  */  int saw_libgcj = 0;  /* Saw -C or -o option, respectively. */  int saw_C = 0;  int saw_o = 0;  /* Saw some -O* or -g* option, respectively. */  int saw_O = 0;  int saw_g = 0;  /* An array used to flag each argument that needs a bit set for     LANGSPEC, MATHLIB, WITHLIBC, or GCLIB.  */  int *args;  /* The total number of arguments with the new stuff.  */  int argc;  /* The argument list.  */  char **argv;  /* The number of libraries added in.  */  int added_libraries;  /* The total number of arguments with the new stuff.  */  int num_args = 1;  /* Non-zero if linking is supposed to happen.  */  int will_link = 1;  /* The argument we use to specify the spec file.  */  char *spec_file = NULL;  argc = *in_argc;  argv = *in_argv;  added_libraries = *in_added_libraries;  args = (int *) xmalloc (argc * sizeof (int));  bzero ((char *) args, argc * sizeof (int));  for (i = 1; i < argc; i++)    {      /* If the previous option took an argument, we swallow it here.  */      if (quote)	{	  quote = NULL;	  args[i] |= PARAM_ARG;	  continue;	}      /* We don't do this anymore, since we don't get them with minus	 signs on them.  */      if (argv[i][0] == '\0' || argv[i][1] == '\0')	continue;      if (argv[i][0] == '-')	{	  if (library != 0 && (strcmp (argv[i], "-nostdlib") == 0			       || strcmp (argv[i], "-nodefaultlibs") == 0))	    {	      library = 0;	    }	  else if (strncmp (argv[i], "-fmain=", 7) == 0)	    {	      main_class_name = argv[i] + 7;	      added--;	    }	  else if (strcmp (argv[i], "-v") == 0)	    {	      saw_verbose_flag = 1;	      if (argc == 2)		{		  /* If they only gave us `-v', don't try to link		     in libgcj.  */ 		  library = 0;		}	    }	  else if (strncmp (argv[i], "-x", 2) == 0)	    saw_speclang = 1;	  else if (strcmp (argv[i], "-C") == 0)	    {	      saw_C = 1;#if COMBINE_INPUTS	      combine_inputs = 1;#endif	      if (library != 0)		added -= 2;	      library = 0;	      will_link = 0;	    }	  else if (argv[i][1] == 'g')	    saw_g = 1;	  else if (argv[i][1] == 'O')	    saw_O = 1;	  else if (((argv[i][2] == '\0'		     && (char *)strchr ("bBVDUoeTuIYmLiA", argv[i][1]) != NULL)		    || strcmp (argv[i], "-Tdata") == 0))	    {	      if (strcmp (argv[i], "-o") == 0)		saw_o = 1;	      quote = argv[i];	    }	  else if (strcmp(argv[i], "-classpath") == 0		   || strcmp(argv[i], "-CLASSPATH") == 0)	    {	      quote = argv[i];	      added -= 1;	    }	  else if (library != 0 		   && ((argv[i][2] == '\0'			&& (char *) strchr ("cSEM", argv[i][1]) != NULL)		       || strcmp (argv[i], "-MM") == 0))	    {	      /* Don't specify libraries if we won't link, since that would		 cause a warning.  */	      library = 0;	      added -= 2;	      /* Remember this so we can confirm -fmain option.  */	      will_link = 0;	    }	  else if (strcmp (argv[i], "-d") == 0)	    {	      /* `-d' option is for javac compatibility.  */	      quote = argv[i];	      added -= 1;	    }	  else if (strcmp (argv[i], "-fsyntax-only") == 0		   || strcmp (argv[i], "--syntax-only") == 0)	    {	      library = 0;	      will_link = 0;	      continue;	    }	  else	    /* Pass other options through.  */	    continue;	}      else	{#if COMBINE_INPUTS	  int len; #endif	  if (saw_speclang)	    {	      saw_speclang = 0;	      continue;	    }#if COMBINE_INPUTS	  len = strlen (argv[i]);	  if (len > 5 && strcmp (argv[i] + len - 5, ".java") == 0)	    {	      args[i] |= JAVA_FILE_ARG;	      java_files_count++;	      java_files_length += len;	      last_input_index = i;	    }	  if (len > 6 && strcmp (argv[i] + len - 6, ".class") == 0)	    {	      args[i] |= CLASS_FILE_ARG;	      class_files_count++;	      class_files_length += len;	      last_input_index = i;	    }#endif	}    }  if (quote)    (*fn) ("argument to `%s' missing\n", quote);  num_args = argc + added;  if (saw_C)    {      num_args += 3;#if COMBINE_INPUTS      class_files_length = 0;      num_args -= class_files_count;      num_args += 2;  /* For -o NONE. */#endif      if (saw_o)	(*fn) ("cannot specify both -C and -o");    }#if COMBINE_INPUTS  if (saw_o && java_files_count + (saw_C ? 0 : class_files_count) > 1)    combine_inputs = 1;  if (combine_inputs)    {      int len = java_files_length + java_files_count - 1;      num_args -= java_files_count;      num_args++;  /* Add one for the combined arg. */      if (class_files_length > 0)	{	  len += class_files_length + class_files_count - 1;	  num_args -= class_files_count;	}      combined_inputs_buffer = (char*) xmalloc (len);      combined_inputs_pos = 0;    }  /* If we know we don't have to do anything, bail now.  */#endif#if 0  if (! added && ! library && main_class_name == NULL && ! saw_C)    {      free (args);      return;    }#endif  if (main_class_name)    {      lang_specific_extra_outfiles++;    }  if (saw_g + saw_O == 0)    num_args++;  if (will_link)    num_args++;  arglist = (char **) xmalloc ((num_args + 1) * sizeof (char *));  for (i = 0, j = 0; i < argc; i++, j++)    {      arglist[j] = argv[i];      if ((args[i] & PARAM_ARG) || i == 0)	continue;      if (strcmp (argv[i], "-classpath") == 0	  || strcmp (argv[i], "-CLASSPATH") == 0)	{	  char* patharg	    = (char*) xmalloc (strlen (argv[i]) + strlen (argv[i+1]) + 3);	  sprintf (patharg, "-f%s=%s", argv[i]+1, argv[i+1]);	  arglist[j] = patharg;	  i++;	  continue;	}      if (strcmp (argv[i], "-d") == 0)	{	  char *patharg = (char *) xmalloc (sizeof ("-foutput-class-dir=")					    + strlen (argv[i + 1]) + 1);	  sprintf (patharg, "-foutput-class-dir=%s", argv[i + 1]);	  arglist[j] = patharg;	  ++i;	  continue;	}      if (will_link && spec_file == NULL && strncmp (argv[i], "-L", 2) == 0)	spec_file = find_spec_file (argv[i] + 2);      if (strncmp (argv[i], "-fmain=", 7) == 0)	{	  if (! will_link)	    (*fn) ("cannot specify `main' class when not linking");	  --j;	  continue;	}      if ((args[i] & CLASS_FILE_ARG) && saw_C)	{	  --j;	  continue;	}#if COMBINE_INPUTS      if (combine_inputs && (args[i] & (CLASS_FILE_ARG|JAVA_FILE_ARG)) != 0)	{	  if (combined_inputs_pos > 0)	    combined_inputs_buffer[combined_inputs_pos++] = '&';	  strcpy (&combined_inputs_buffer[combined_inputs_pos], argv[i]);	  combined_inputs_pos += strlen (argv[i]);	  --j;	  continue;	}#endif  }#if COMBINE_INPUTS  if (combine_inputs)    {      combined_inputs_buffer[combined_inputs_pos] = '\0';#if 0      if (! saw_C)#endif      arglist[j++] = combined_inputs_buffer;    }#endif  /* If we saw no -O or -g option, default to -g1, for javac compatibility. */  if (saw_g + saw_O == 0)    arglist[j++] = "-g1";  /* Read the specs file corresponding to libgcj, but only if linking.     If we didn't find the spec file on the -L path, then we hope it     is somewhere in the standard install areas.  */  if (will_link)    arglist[j++] = spec_file == NULL ? "-specs=libgcj.spec" : spec_file;  if (saw_C)    {      arglist[j++] = "-fsyntax-only";      arglist[j++] = "-femit-class-files";      arglist[j++] = "-S";#if COMBINE_INPUTS      arglist[j++] = "-o";      arglist[j++] = "NONE";#endif    }  arglist[j] = NULL;  *in_argc = j;  *in_argv = arglist;  *in_added_libraries = added_libraries;}