diff options
Diffstat (limited to 'build/cxx/rule.cxx')
-rw-r--r-- | build/cxx/rule.cxx | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/build/cxx/rule.cxx b/build/cxx/rule.cxx index e0e5c0f..9228994 100644 --- a/build/cxx/rule.cxx +++ b/build/cxx/rule.cxx @@ -126,17 +126,20 @@ namespace build // code (below) takes care of the ones it is adding. // // When cleaning, ignore prerequisites that are not in the same - // or a subdirectory of ours. + // or a subdirectory of our strong amalgamation. // + const dir_path* amlg ( + a.operation () != clean_id + ? nullptr + : &t.strong_scope ().path ()); + for (prerequisite_member p: group_prerequisite_members (a, t)) { target& pt (p.search ()); - if (a.operation () == clean_id && !pt.dir.sub (t.dir)) + if (a.operation () == clean_id && !pt.dir.sub (*amlg)) continue; - build::match (a, pt); - // A dependency on a library is there so that we can get its // cxx.export.poptions. In particular, making sure it is // executed before us will only restrict parallelism. But we @@ -144,8 +147,18 @@ namespace build // populated; see append_lib_options() above. // if (pt.is_a<lib> () || pt.is_a<liba> () || pt.is_a<libso> ()) + { + // @@ The fact that we match but never execute messes up + // the dependents count. This is a workaround, not a + // solution. + // + if (a.operation () == update_id) + build::match (a, pt); + continue; + } + build::match (a, pt); t.prerequisite_targets.push_back (&pt); } @@ -932,6 +945,14 @@ namespace build // Process prerequisites: do rule chaining for C and C++ source // files as well as search and match. // + // When cleaning, ignore prerequisites that are not in the same + // or a subdirectory of our strong amalgamation. + // + const dir_path* amlg ( + a.operation () != clean_id + ? nullptr + : &t.strong_scope ().path ()); + for (prerequisite_member p: group_prerequisite_members (a, t)) { bool group (!p.prerequisite.belongs (t)); // Group's prerequisite. @@ -943,7 +964,7 @@ namespace build // pt = &p.search (); - if (a.operation () == clean_id && !pt->dir.sub (t.dir)) + if (a.operation () == clean_id && !pt->dir.sub (*amlg)) continue; // Skip. // If this is the obj{} or lib{} target group, then pick the @@ -1042,9 +1063,9 @@ namespace build target& ot (search (o_type, d, *cp.tk.name, nullptr, cp.scope)); // If we are cleaning, check that this target is in the same or - // a subdirectory of ours. + // a subdirectory of our strong amalgamation. // - if (a.operation () == clean_id && !ot.dir.sub (t.dir)) + if (a.operation () == clean_id && !ot.dir.sub (*amlg)) { // If we shouldn't clean obj{}, then it is fair to assume // we shouldn't clean cxx{} either (generated source will |