PR tree-optimize/22348

[pf3gnuchains/gcc-fork.git] / gcc / c-common.h

diff --git a/gcc/c-common.h b/gcc/c-common.h
index fabb67e..4e8485a 100644 (file)
--- a/gcc/c-common.h
+++ b/gcc/c-common.h
@@ -925,5 +925,15 @@ extern void init_pp_output (FILE *);
 extern void preprocess_file (cpp_reader *);
 extern void pp_file_change (const struct line_map *);
 extern void pp_dir_change (cpp_reader *, const char *);
+extern bool check_missing_format_attribute (tree, tree);
+
+/* In order for the format checking to accept the C frontend
+   diagnostic framework extensions, you must include this file before
+   toplev.h, not after.  The C front end formats are a subset of those
+   for C++, so they are the appropriate set to use in common code;
+   cp-tree.h overrides this for C++.  */
+#ifndef GCC_DIAG_STYLE
+#define GCC_DIAG_STYLE __gcc_cdiag__
+#endif
 
 #endif /* ! GCC_C_COMMON_H */