ENH: Made cmSourceFile::GetDepends return reference to const so dependencies can be added only by an access method in cmSourceFile.

Source/cmCPluginAPI.cxx

@@ -555,7 +555,7 @@ void CCONV cmSourceFileSetProperty(void *arg,const char *prop,
 void CCONV cmSourceFileAddDepend(void *arg, const char *depend)
 {
   cmSourceFile *sf = static_cast<cmSourceFile *>(arg);
-  sf->GetDepends().push_back(depend);
+  sf->AddDepend(depend);
 }
 
 void CCONV cmSourceFileSetName(void *arg, const char* name, const char* dir,

Source/cmFLTKWrapUICommand.cxx

@@ -94,8 +94,8 @@ bool cmFLTKWrapUICommand::InitialPass(std::vector<std::string> const& args)
                                            no_working_dir);
 
       cmSourceFile *sf = this->Makefile->GetSource(cxxres.c_str());
-      sf->GetDepends().push_back(hname);
-      sf->GetDepends().push_back(origname);
+      sf->AddDepend(hname.c_str());
+      sf->AddDepend(origname.c_str());
       this->GeneratedSourcesClasses.push_back(sf);
       }
     }

Source/cmQTWrapCPPCommand.cxx

@@ -82,7 +82,7 @@ bool cmQTWrapCPPCommand::InitialPass(std::vector<std::string> const& argsIn)
         }
       this->WrapHeaders.push_back(hname);
       // add starting depends
-      file.GetDepends().push_back(hname);
+      file.AddDepend(hname.c_str());
       this->WrapClasses.push_back(file);
       if (sourceListValue.size() > 0)
         {

Source/cmQTWrapUICommand.cxx

@@ -86,10 +86,10 @@ bool cmQTWrapUICommand::InitialPass(std::vector<std::string> const& argsIn)
       std::string hname = header_file.GetFullPath();
       this->WrapUserInterface.push_back(origname);
       // add starting depends
-      moc_file.GetDepends().push_back(hname);
-      source_file.GetDepends().push_back(hname);
-      source_file.GetDepends().push_back(origname);
-      header_file.GetDepends().push_back(origname);
+      moc_file.AddDepend(hname.c_str());
+      source_file.AddDepend(hname.c_str());
+      source_file.AddDepend(origname.c_str());
+      header_file.AddDepend(origname.c_str());
       this->WrapHeadersClasses.push_back(header_file);
       this->WrapSourcesClasses.push_back(source_file);
       this->WrapMocClasses.push_back(moc_file);

Source/cmSourceFile.h

@@ -102,7 +102,7 @@ public:
    * Return the vector that holds the list of dependencies
    */
   const std::vector<std::string> &GetDepends() const {return this->Depends;}
-  std::vector<std::string> &GetDepends() {return this->Depends;}
+  void AddDepend(const char* d) { this->Depends.push_back(d); }
 
   /**
    * Get the source name without last extension