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-rw-r--r--libcpp/directives.cc11
1 files changed, 10 insertions, 1 deletions
diff --git a/libcpp/directives.cc b/libcpp/directives.cc
index 4104d51..802bd8c 100644
--- a/libcpp/directives.cc
+++ b/libcpp/directives.cc
@@ -158,7 +158,7 @@ static void cpp_pop_definition (cpp_reader *, struct def_pragma_macro *);
D(elifndef, T_ELIFNDEF, STDC2X, COND | ELIFDEF) \
D(error, T_ERROR, STDC89, 0) \
D(pragma, T_PRAGMA, STDC89, IN_I) \
- D(warning, T_WARNING, EXTENSION, 0) \
+ D(warning, T_WARNING, STDC2X, 0) \
D(include_next, T_INCLUDE_NEXT, EXTENSION, INCL | EXPAND) \
D(ident, T_IDENT, EXTENSION, IN_I) \
D(import, T_IMPORT, EXTENSION, INCL | EXPAND) /* ObjC */ \
@@ -385,6 +385,15 @@ directive_diagnostics (cpp_reader *pfile, const directive *dir, int indented)
&& !(dir == &dtable[T_IMPORT] && CPP_OPTION (pfile, objc))
&& CPP_PEDANTIC (pfile))
cpp_error (pfile, CPP_DL_PEDWARN, "#%s is a GCC extension", dir->name);
+ else if (dir == &dtable[T_WARNING])
+ {
+ if (CPP_PEDANTIC (pfile) && !CPP_OPTION (pfile, warning_directive))
+ cpp_error (pfile, CPP_DL_PEDWARN,
+ "#%s before C2X is a GCC extension", dir->name);
+ else if (CPP_OPTION (pfile, cpp_warn_c11_c2x_compat) > 0)
+ cpp_warning (pfile, CPP_W_C11_C2X_COMPAT,
+ "#%s before C2X is a GCC extension", dir->name);
+ }
else if (((dir->flags & DEPRECATED) != 0
|| (dir == &dtable[T_IMPORT] && !CPP_OPTION (pfile, objc)))
&& CPP_OPTION (pfile, cpp_warn_deprecated))