diff options
Diffstat (limited to 'pym/_emerge/__init__.py')
| -rw-r--r-- | pym/_emerge/__init__.py | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/pym/_emerge/__init__.py b/pym/_emerge/__init__.py index f3fd95a4d..088dab630 100644 --- a/pym/_emerge/__init__.py +++ b/pym/_emerge/__init__.py @@ -1294,13 +1294,16 @@ class depgraph(object): if existing_node: e_type, myroot, e_cpv, e_status = existing_node if mykey == e_cpv: - # The existing node can be reused. It's okay for a - # node to depend on itself here if priority.satisfied - # is True, otherwise it is a circular dependency that - # can not be ignored. + # The existing node can be reused. self._parent_child_digraph.add(existing_node, myparent) - self.digraph.addnode(existing_node, myparent, - priority=priority) + # If a direct circular dependency is not an unsatisfied + # buildtime dependency then drop it here since otherwise + # it can skew the merge order calculation in an unwanted + # way. + if existing_node != myparent or \ + (priority.buildtime and not priority.satisfied): + self.digraph.addnode(existing_node, myparent, + priority=priority) return 1 else: if jbigkey in self._slot_collision_nodes: |