diff options
Diffstat (limited to 'libcpp/expr.c')
| -rw-r--r-- | libcpp/expr.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/libcpp/expr.c b/libcpp/expr.c index 9df75332c05..9e89dd9574a 100644 --- a/libcpp/expr.c +++ b/libcpp/expr.c @@ -637,6 +637,20 @@ parse_defined (cpp_reader *pfile) "this use of \"defined\" may not be portable"); _cpp_mark_macro_used (node); + if (!(node->flags & NODE_USED)) + { + node->flags |= NODE_USED; + if (node->type == NT_MACRO) + { + if (pfile->cb.used_define) + pfile->cb.used_define (pfile, pfile->directive_line, node); + } + else + { + if (pfile->cb.used_undef) + pfile->cb.used_undef (pfile, pfile->directive_line, node); + } + } /* A possible controlling macro of the form #if !defined (). _cpp_parse_expr checks there was no other junk on the line. */ |