build: Add de-duplication for non-result targets in get_all_link_deps

1 files changed, 6 insertions, 3 deletions

diff --git a/mesonbuild/build.py b/mesonbuild/build.py
index 4a1a8189c..906f55289 100644
--- a/mesonbuild/build.py
+++ b/mesonbuild/build.py
@@ -1174,20 +1174,23 @@ class BuildTarget(Target):
         at link time, see get_dependencies() for that.
         """
         result: OrderedSet[BuildTargetTypes] = OrderedSet()
+        nonresults: T.Set[BuildTargetTypes] = set()
         stack: T.Deque[BuildTargetTypes] = deque()
         stack.appendleft(self)
         while stack:
             t = stack.pop()
-            if t in result:
+            if t in result or t in nonresults:
                 continue
             if isinstance(t, CustomTargetIndex):
                 stack.appendleft(t.target)
                 continue
             if isinstance(t, SharedLibrary):
                 result.add(t)
+            else:
+                nonresults.add(t)
             if isinstance(t, BuildTarget):
-                stack.extendleft(t.link_targets)
-                stack.extendleft(t.link_whole_targets)
+                stack.extendleft((t2 for t2 in t.link_targets if t2 not in nonresults))
+                stack.extendleft((t2 for t2 in t.link_whole_targets if t2 not in nonresults))
         return list(result)
 
     @lru_cache(maxsize=None)