diff options
Diffstat (limited to 'libcpp/expr.c')
| -rw-r--r-- | libcpp/expr.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libcpp/expr.c b/libcpp/expr.c index 61bc1b21af18..a4cf75059583 100644 --- a/libcpp/expr.c +++ b/libcpp/expr.c @@ -1031,9 +1031,11 @@ parse_defined (cpp_reader *pfile) if (node) { - if (pfile->context != initial_context && CPP_PEDANTIC (pfile)) - cpp_error (pfile, CPP_DL_WARNING, - "this use of \"defined\" may not be portable"); + if ((pfile->context != initial_context + || initial_context != &pfile->base_context) + && CPP_OPTION (pfile, warn_expansion_to_defined)) + cpp_pedwarning (pfile, CPP_W_EXPANSION_TO_DEFINED, + "this use of \"defined\" may not be portable"); _cpp_mark_macro_used (node); if (!(node->flags & NODE_USED)) |