Keep track of properties used to determine linker libraries.

Those properties can't later be implicitly defined by the interface
of those link libraries.

1 files changed, 4 insertions, 0 deletions

diff --git a/Source/cmGeneratorExpression.h b/Source/cmGeneratorExpression.h
index dcdfefb..b58dde5 100644
--- a/Source/cmGeneratorExpression.h
+++ b/Source/cmGeneratorExpression.h
@@ -83,6 +83,9 @@ public:
   std::set<cmTarget*> const& GetTargets() const
     { return this->Targets; }
 
+  std::map<cmStdString, cmStdString> const& GetSeenTargetProperties() const
+    { return this->SeenTargetProperties; }
+
   ~cmCompiledGeneratorExpression();
 
   std::string GetInput() const
@@ -110,6 +113,7 @@ private:
   bool NeedsParsing;
 
   mutable std::set<cmTarget*> Targets;
+  mutable std::map<cmStdString, cmStdString> SeenTargetProperties;
   mutable std::string Output;
 };