1 files changed, 30 insertions, 10 deletions

diff --git a/Source/cmGeneratorTarget.h b/Source/cmGeneratorTarget.h
index 5ed8e5a..5e7cf12 100644
--- a/Source/cmGeneratorTarget.h
+++ b/Source/cmGeneratorTarget.h
@@ -75,8 +75,8 @@ public:
   bool GetPropertyAsBool(const std::string& prop) const;
   void GetSourceFiles(std::vector<cmSourceFile*>& files,
                       const std::string& config) const;
-  void GetSourceFilesWithoutObjectLibraries(std::vector<cmSourceFile*>& files,
-                                            const std::string& config) const;
+  std::vector<BT<cmSourceFile*>> GetSourceFiles(
+    std::string const& config) const;
 
   /** Source file kinds (classifications).
       Generators use this to decide how to treat a source file.  */
@@ -99,7 +99,7 @@ public:
   /** A source file paired with a kind (classification).  */
   struct SourceAndKind
   {
-    cmSourceFile* Source;
+    BT<cmSourceFile*> Source;
     SourceKind Kind;
   };
 
@@ -273,8 +273,7 @@ public:
 
   cmListFileBacktrace GetBacktrace() const;
 
-  std::set<std::string> const& GetUtilities() const;
-  cmListFileBacktrace const* GetUtilityBacktrace(const std::string& u) const;
+  std::set<BT<std::string>> const& GetUtilities() const;
 
   bool LinkLanguagePropagatesToDependents() const
   {
@@ -283,7 +282,7 @@ public:
 
   /** Get the macro to define when building sources in this target.
       If no macro should be defined null is returned.  */
-  const char* GetExportMacro() const;
+  const std::string* GetExportMacro() const;
 
   /** Get the soname of the target.  Allowed only for a shared library.  */
   std::string GetSOName(const std::string& config) const;
@@ -362,7 +361,8 @@ public:
   };
   TargetOrString ResolveTargetReference(std::string const& name) const;
 
-  cmLinkItem ResolveLinkItem(std::string const& name) const;
+  cmLinkItem ResolveLinkItem(std::string const& name,
+                             cmListFileBacktrace const& bt) const;
 
   // Compute the set of languages compiled by the target.  This is
   // computed every time it is called because the languages can change
@@ -408,34 +408,49 @@ public:
                                     std::string const& config) const;
 
   /** Get the include directories for this target.  */
-  std::vector<std::string> GetIncludeDirectories(
+  std::vector<BT<std::string>> GetIncludeDirectories(
     const std::string& config, const std::string& lang) const;
 
   void GetCompileOptions(std::vector<std::string>& result,
                          const std::string& config,
                          const std::string& language) const;
+  std::vector<BT<std::string>> GetCompileOptions(
+    std::string const& config, std::string const& language) const;
 
   void GetCompileFeatures(std::vector<std::string>& features,
                           const std::string& config) const;
+  std::vector<BT<std::string>> GetCompileFeatures(
+    std::string const& config) const;
 
   void GetCompileDefinitions(std::vector<std::string>& result,
                              const std::string& config,
                              const std::string& language) const;
+  std::vector<BT<std::string>> GetCompileDefinitions(
+    std::string const& config, std::string const& language) const;
 
   void GetLinkOptions(std::vector<std::string>& result,
                       const std::string& config,
                       const std::string& language) const;
+  std::vector<BT<std::string>> GetLinkOptions(
+    std::string const& config, std::string const& language) const;
+
   void GetStaticLibraryLinkOptions(std::vector<std::string>& result,
                                    const std::string& config,
                                    const std::string& language) const;
+  std::vector<BT<std::string>> GetStaticLibraryLinkOptions(
+    std::string const& config, std::string const& language) const;
 
   void GetLinkDirectories(std::vector<std::string>& result,
                           const std::string& config,
                           const std::string& language) const;
+  std::vector<BT<std::string>> GetLinkDirectories(
+    std::string const& config, std::string const& language) const;
 
   void GetLinkDepends(std::vector<std::string>& result,
                       const std::string& config,
                       const std::string& language) const;
+  std::vector<BT<std::string>> GetLinkDepends(
+    std::string const& config, std::string const& language) const;
 
   bool IsSystemIncludeDirectory(const std::string& dir,
                                 const std::string& config,
@@ -834,10 +849,15 @@ private:
                        std::vector<cmLinkItem>& items,
                        bool& hadHeadSensitiveCondition) const;
   void LookupLinkItems(std::vector<std::string> const& names,
+                       cmListFileBacktrace const& bt,
                        std::vector<cmLinkItem>& items) const;
 
-  void GetSourceFiles(std::vector<std::string>& files,
-                      const std::string& config) const;
+  std::vector<BT<std::string>> GetSourceFilePaths(
+    std::string const& config) const;
+  std::vector<BT<cmSourceFile*>> GetSourceFilesWithoutObjectLibraries(
+    std::string const& config) const;
+  void GetSourceFilesWithoutObjectLibraries(std::vector<cmSourceFile*>& files,
+                                            const std::string& config) const;
 
   struct HeadToLinkImplementationMap
     : public std::map<cmGeneratorTarget const*, cmOptionalLinkImplementation>