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diff --git a/gcc/opts.h b/gcc/opts.h
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+/* Command line option handling.
+   Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008
+   Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#ifndef GCC_OPTS_H
+#define GCC_OPTS_H
+
+/* Specifies how a switch's VAR_VALUE relates to its FLAG_VAR.  */
+enum cl_var_type {
+  /* The switch is enabled when FLAG_VAR is nonzero.  */
+  CLVC_BOOLEAN,
+
+  /* The switch is enabled when FLAG_VAR == VAR_VALUE.  */
+  CLVC_EQUAL,
+
+  /* The switch is enabled when VAR_VALUE is not set in FLAG_VAR.  */
+  CLVC_BIT_CLEAR,
+
+  /* The switch is enabled when VAR_VALUE is set in FLAG_VAR.  */
+  CLVC_BIT_SET,
+
+  /* The switch takes a string argument and FLAG_VAR points to that
+     argument.  */
+  CLVC_STRING
+};
+
+struct cl_option
+{
+  const char *opt_text;
+  const char *help;
+  unsigned short back_chain;
+  unsigned char opt_len;
+  int neg_index;
+  unsigned int flags;
+  void *flag_var;
+  enum cl_var_type var_type;
+  int var_value;
+};
+
+/* Records that the state of an option consists of SIZE bytes starting
+   at DATA.  DATA might point to CH in some cases.  */
+struct cl_option_state {
+  const void *data;
+  size_t size;
+  char ch;
+};
+
+extern const struct cl_option cl_options[];
+extern const unsigned int cl_options_count;
+extern const char *const lang_names[];
+extern const unsigned int cl_lang_count;
+
+#define CL_PARAMS               (1 << 17) /* Fake entry.  Used to display --param info with --help.  */
+#define CL_WARNING		(1 << 18) /* Enables an (optional) warning message.  */
+#define CL_OPTIMIZATION		(1 << 19) /* Enables an (optional) optimization.  */
+#define CL_TARGET		(1 << 20) /* Target-specific option.  */
+#define CL_COMMON		(1 << 21) /* Language-independent.  */
+
+#define CL_MIN_OPTION_CLASS	CL_PARAMS
+#define CL_MAX_OPTION_CLASS	CL_COMMON
+
+/* From here on the bits describe attributes of the options.
+   Before this point the bits have described the class of the option.
+   This distinction is important because --help will not list options
+   which only have these higher bits set.  */
+
+#define CL_SAVE			(1 << 22) /* Target-specific option for attribute.  */
+#define CL_DISABLED		(1 << 23) /* Disabled in this configuration.  */
+#define CL_REPORT		(1 << 24) /* Report argument with -fverbose-asm  */
+#define CL_JOINED		(1 << 25) /* If takes joined argument.  */
+#define CL_SEPARATE		(1 << 26) /* If takes a separate argument.  */
+#define CL_REJECT_NEGATIVE	(1 << 27) /* Reject no- form.  */
+#define CL_MISSING_OK		(1 << 28) /* Missing argument OK (joined).  */
+#define CL_UINTEGER		(1 << 29) /* Argument is an integer >=0.  */
+#define CL_UNDOCUMENTED		(1 << 30) /* Do not output with --help.  */
+
+/* Input file names.  */
+
+extern const char **in_fnames;
+
+/* The count of input filenames.  */
+
+extern unsigned num_in_fnames;
+
+size_t find_opt (const char *input, int lang_mask);
+extern void prune_options (int *argcp, char ***argvp);
+extern void decode_options (unsigned int argc, const char **argv);
+extern int option_enabled (int opt_idx);
+extern bool get_option_state (int, struct cl_option_state *);
+
+extern void enable_warning_as_error (const char *arg, int value,
+				     unsigned int lang_mask);
+extern void print_ignored_options (void);
+#endif