opts.h (cl_option_state): New structure.

	* opts.h (cl_option_state): New structure.
	(get_option_state): Declare.
	* opts.c (get_option_state): New function.
	* toplev.c (option_affects_pch_p): New function.
	(default_get_pch_validity): Store the state of all options for which
	option_affects_pch_p returns true.
	(default_pch_valid_p): Check the state of those options here.
	Only check target_flags separately if targetm.check_pch_target_Flags
	is nonnull or if TARGET_SWITCHES is defined.

From-SVN: r100430

1 files changed, 9 insertions, 0 deletions

diff --git a/gcc/opts.h b/gcc/opts.h
index 1794f7b..962b1ca 100644
--- a/gcc/opts.h
+++ b/gcc/opts.h
@@ -52,6 +52,14 @@ struct cl_option
   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[];
@@ -77,6 +85,7 @@ extern unsigned num_in_fnames;
 
 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 print_filtered_help (unsigned int);
 
 #endif