1 files changed, 4 insertions, 2 deletions
diff --git a/Source/cmGeneratorTarget.cxx b/Source/cmGeneratorTarget.cxx
index f1ab85c..d8a7c39 100644
--- a/Source/cmGeneratorTarget.cxx
+++ b/Source/cmGeneratorTarget.cxx
@@ -1213,8 +1213,10 @@ bool cmGeneratorTarget::IsInBuildSystem() const
     case cmStateEnums::GLOBAL_TARGET:
       return true;
     case cmStateEnums::INTERFACE_LIBRARY:
-      // An INTERFACE library is in the build system if it has SOURCES.
-      if (!this->SourceEntries.empty()) {
+      // An INTERFACE library is in the build system if it has SOURCES or
+      // HEADER_SETS.
+      if (!this->SourceEntries.empty() ||
+          !this->Target->GetHeaderSetsEntries().empty()) {
         return true;
       }
       break;