Merge branch 'backport-unity-object-libraries' into unity-object-libraries

1 files changed, 12 insertions, 1 deletions

diff --git a/Source/cmGlobalGenerator.cxx b/Source/cmGlobalGenerator.cxx
index 8dfc0ce..0e782f2 100644
--- a/Source/cmGlobalGenerator.cxx
+++ b/Source/cmGlobalGenerator.cxx
@@ -1566,13 +1566,24 @@ bool cmGlobalGenerator::AddAutomaticSources()
   for (cmLocalGenerator* lg : this->LocalGenerators) {
     lg->CreateEvaluationFileOutputs();
     for (const auto& gt : lg->GetGeneratorTargets()) {
-      if (gt->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
+      if (gt->GetType() == cmStateEnums::INTERFACE_LIBRARY ||
+          gt->GetType() == cmStateEnums::UTILITY ||
+          gt->GetType() == cmStateEnums::GLOBAL_TARGET) {
         continue;
       }
       lg->AddUnityBuild(gt.get());
       lg->AddPchDependencies(gt.get());
     }
   }
+  // The above transformations may have changed the classification of sources.
+  // Clear the source list and classification cache (KindedSources) of all
+  // targets so that it will be recomputed correctly by the generators later
+  // now that the above transformations are done for all targets.
+  for (cmLocalGenerator* lg : this->LocalGenerators) {
+    for (const auto& gt : lg->GetGeneratorTargets()) {
+      gt->ClearSourcesCache();
+    }
+  }
   return true;
 }