diff options
Diffstat (limited to 'libbuild2/cc')
| -rw-r--r-- | libbuild2/cc/link-rule.cxx | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/libbuild2/cc/link-rule.cxx b/libbuild2/cc/link-rule.cxx index c186751..f8414c9 100644 --- a/libbuild2/cc/link-rule.cxx +++ b/libbuild2/cc/link-rule.cxx @@ -483,10 +483,15 @@ namespace build2 return false; } - if (!(r.seen_x || r.seen_c || r.seen_obj || r.seen_lib)) + // Sometimes we may need to have a binless library whose only purpose is + // to export dependencies on other libraries (potentially in a platform- + // specific manner; think the whole -pthread mess). So allow a library + // without any sources with a hint. + // + if (!(r.seen_x || r.seen_c || r.seen_obj || r.seen_lib || !hint.empty ())) { - l4 ([&]{trace << "no " << x_lang << ", C, or obj/lib prerequisite " - << "for target " << t;}); + l4 ([&]{trace << "no " << x_lang << ", C, obj/lib prerequisite or " + << "hint for target " << t;}); return false; } |