1 files changed, 14 insertions, 5 deletions
diff --git a/Source/cmGeneratorExpressionEvaluator.h b/Source/cmGeneratorExpressionEvaluator.h
index 5163ca0..04a2acd 100644
--- a/Source/cmGeneratorExpressionEvaluator.h
+++ b/Source/cmGeneratorExpressionEvaluator.h
@@ -15,6 +15,11 @@
 #include <vector>
 #include <string>
 
+#include "cmListFileCache.h"
+
+class cmTarget;
+class cmGeneratorTarget;
+
 //----------------------------------------------------------------------------
 struct cmGeneratorExpressionContext
 {
@@ -22,11 +27,13 @@ struct cmGeneratorExpressionContext
   std::set<cmTarget*> Targets;
   cmMakefile *Makefile;
   const char *Config;
-  cmTarget *Target;
+  cmGeneratorTarget *Target;
   bool Quiet;
   bool HadError;
 };
 
+struct cmGeneratorExpressionDAGChecker;
+
 //----------------------------------------------------------------------------
 struct cmGeneratorExpressionEvaluator
 {
@@ -41,8 +48,8 @@ struct cmGeneratorExpressionEvaluator
 
   virtual Type GetType() const = 0;
 
-  virtual std::string Evaluate(cmGeneratorExpressionContext *context
-                              ) const = 0;
+  virtual std::string Evaluate(cmGeneratorExpressionContext *context,
+                              cmGeneratorExpressionDAGChecker *) const = 0;
 
 private:
   cmGeneratorExpressionEvaluator(const cmGeneratorExpressionEvaluator &);
@@ -57,7 +64,8 @@ struct TextContent : public cmGeneratorExpressionEvaluator
 
   }
 
-  std::string Evaluate(cmGeneratorExpressionContext *) const
+  std::string Evaluate(cmGeneratorExpressionContext *,
+                       cmGeneratorExpressionDAGChecker *) const
   {
     return std::string(this->Content, this->Length);
   }
@@ -102,7 +110,8 @@ struct GeneratorExpressionContent : public cmGeneratorExpressionEvaluator
     return cmGeneratorExpressionEvaluator::Generator;
   }
 
-  std::string Evaluate(cmGeneratorExpressionContext *context) const;
+  std::string Evaluate(cmGeneratorExpressionContext *context,
+                       cmGeneratorExpressionDAGChecker *) const;
 
   std::string GetOriginalExpression() const;