diff options
Diffstat (limited to 'gcc/cpplib.c')
| -rw-r--r-- | gcc/cpplib.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/gcc/cpplib.c b/gcc/cpplib.c index c87572a..935a0e0 100644 --- a/gcc/cpplib.c +++ b/gcc/cpplib.c @@ -545,6 +545,9 @@ do_undef (pfile) if (node->flags & NODE_WARN) cpp_error (pfile, DL_WARNING, "undefining \"%s\"", NODE_NAME (node)); + if (CPP_OPTION (pfile, warn_unused_macros)) + _cpp_warn_if_unused_macro (pfile, node, NULL); + _cpp_free_definition (node); } check_eol (pfile); @@ -1331,10 +1334,11 @@ do_ifdef (pfile) const cpp_hashnode *node = lex_macro_node (pfile); if (node) - skip = node->type != NT_MACRO; - - if (node) - check_eol (pfile); + { + skip = node->type != NT_MACRO; + _cpp_mark_macro_used (node); + check_eol (pfile); + } } push_conditional (pfile, skip, T_IFDEF, 0); @@ -1351,11 +1355,13 @@ do_ifndef (pfile) if (! pfile->state.skipping) { node = lex_macro_node (pfile); - if (node) - skip = node->type == NT_MACRO; if (node) - check_eol (pfile); + { + skip = node->type == NT_MACRO; + _cpp_mark_macro_used (node); + check_eol (pfile); + } } push_conditional (pfile, skip, T_IFNDEF, node); |