Evaluation of TRANSITIVE_LINK_PROPERTIES isn't considered a usage

Fixes #26108

Source/cmGeneratorTarget.h

@@ -264,6 +264,7 @@ public:
   {
     Compile, // Usage requirements for compiling.  Excludes $<LINK_ONLY>.
     Link,    // Usage requirements for linking.  Includes $<LINK_ONLY>.
+    LinkInterfaceEval,
   };
 
   cmLinkInterfaceLibraries const* GetLinkInterfaceLibraries(

Source/cmGeneratorTarget_Link.cxx

@@ -392,7 +392,7 @@ void cmGeneratorTarget::CheckLinkLibraries() const
   // should be a subset of LinkInterfaceMap (with LINK_ONLY left out).
   for (auto const& hmp : this->LinkInterfaceMap) {
     for (auto const& hmi : hmp.second) {
-      if (!hmi.second.LibrariesDone) {
+      if (!hmi.second.LibrariesDone || hmi.second.LinkOnlyEval) {
         continue;
       }
       for (cmLinkItem const& item : hmi.second.Libraries) {
@@ -642,6 +642,7 @@ cmLinkInterface const* cmGeneratorTarget::GetLinkInterface(
   if (secondPass) {
     iface = cmOptionalLinkInterface();
   }
+  iface.LinkOnlyEval = false;
   if (!iface.LibrariesDone) {
     iface.LibrariesDone = true;
     this->ComputeLinkInterfaceLibraries(config, iface, head, UseTo::Link);
@@ -765,6 +766,7 @@ const cmLinkInterfaceLibraries* cmGeneratorTarget::GetLinkInterfaceLibraries(
   }
 
   cmOptionalLinkInterface& iface = hm[head];
+  iface.LinkOnlyEval = (usage == UseTo::LinkInterfaceEval);
   if (!iface.LibrariesDone) {
     iface.LibrariesDone = true;
     this->ComputeLinkInterfaceLibraries(config, iface, head, usage);
@@ -1034,6 +1036,7 @@ const cmLinkInterface* cmGeneratorTarget::GetImportLinkInterface(
   if (secondPass) {
     iface = cmOptionalLinkInterface();
   }
+  iface.LinkOnlyEval = (usage == UseTo::LinkInterfaceEval);
   if (!iface.AllDone) {
     iface.AllDone = true;
     iface.LibrariesDone = true;

Source/cmGeneratorTarget_TransitiveProperty.cxx

@@ -286,7 +286,8 @@ cmGeneratorTarget::GetCustomTransitiveProperties(std::string const& config,
         }
       }
     };
-    addTransitiveProperties("TRANSITIVE_LINK_PROPERTIES", UseTo::Link);
+    addTransitiveProperties("TRANSITIVE_LINK_PROPERTIES",
+                            UseTo::LinkInterfaceEval);
     addTransitiveProperties("TRANSITIVE_COMPILE_PROPERTIES", UseTo::Compile);
     i = ctpm.emplace(config, std::move(ctp)).first;
   }

Source/cmLinkItem.h

@@ -120,6 +120,7 @@ struct cmLinkInterface : public cmLinkInterfaceLibraries
 
 struct cmOptionalLinkInterface : public cmLinkInterface
 {
+  bool LinkOnlyEval = false;
   bool LibrariesDone = false;
   bool AllDone = false;
   bool Exists = false;