Merge topic 'vs10-sln-msbuild-workaround'

e1442ac Avoid msbuild ".\" idiosyncrasy that builds multiple configs (#11594)
42a2e9d Revert "Avoid msbuild idiosyncrasy that builds multiple configs" (#11633)
2c2eee6 Revert "Remove unused parameter "root" in some VS generator methods"

Source/cmGlobalVisualStudio71Generator.cxx

@@ -110,7 +110,7 @@ void cmGlobalVisualStudio71Generator
   this->GetTargetSets(projectTargets, originalTargets, root, generators);
   OrderedTargetDependSet orderedProjectTargets(projectTargets);
 
-  this->WriteTargetsToSolution(fout, orderedProjectTargets);
+  this->WriteTargetsToSolution(fout, root, orderedProjectTargets);
 
   bool useFolderProperty = this->UseFolderProperty();
   if (useFolderProperty)
@@ -182,8 +182,8 @@ cmGlobalVisualStudio71Generator::WriteProject(std::ostream& fout,
   std::string guid = this->GetGUID(dspname);
   fout << project
        << dspname << "\", \""
-       << this->ConvertToSolutionPath(dir)
-       << "\\" << dspname << ext << "\", \"{" << guid << "}\"\n";
+       << this->ConvertToSolutionPath(dir) << (dir[0]? "\\":"")
+       << dspname << ext << "\", \"{" << guid << "}\"\n";
   fout << "\tProjectSection(ProjectDependencies) = postProject\n";
   this->WriteProjectDepends(fout, dspname, dir, t);
   fout << "\tEndProjectSection\n";
@@ -196,8 +196,8 @@ cmGlobalVisualStudio71Generator::WriteProject(std::ostream& fout,
     const char* uname = ui->second.c_str();
     fout << "Project(\"{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}\") = \""
          << uname << "\", \""
-         << this->ConvertToSolutionPath(dir)
-         << "\\" << uname << ".vcproj" << "\", \"{"
+         << this->ConvertToSolutionPath(dir) << (dir[0]? "\\":"")
+         << uname << ".vcproj" << "\", \"{"
          << this->GetGUID(uname) << "}\"\n"
          << "\tProjectSection(ProjectDependencies) = postProject\n"
          << "\t\t{" << guid << "} = {" << guid << "}\n"

Source/cmGlobalVisualStudio7Generator.cxx

@@ -270,6 +270,7 @@ void cmGlobalVisualStudio7Generator::WriteTargetConfigurations(
 
 void cmGlobalVisualStudio7Generator::WriteTargetsToSolution(
     std::ostream& fout,
+    cmLocalGenerator* root,
     OrderedTargetDependSet const& projectTargets)
 {
   for(OrderedTargetDependSet::const_iterator tt =
@@ -296,6 +297,12 @@ void cmGlobalVisualStudio7Generator::WriteTargetsToSolution(
         {
         cmMakefile* tmf = target->GetMakefile();
         std::string dir = tmf->GetStartOutputDirectory();
+        dir = root->Convert(dir.c_str(),
+                            cmLocalGenerator::START_OUTPUT);
+        if(dir == ".")
+          {
+          dir = ""; // msbuild cannot handle ".\" prefix
+          }
         this->WriteProject(fout, vcprojName, dir.c_str(),
                            *target);
         written = true;
@@ -385,7 +392,7 @@ void cmGlobalVisualStudio7Generator
   this->GetTargetSets(projectTargets, originalTargets, root, generators);
   OrderedTargetDependSet orderedProjectTargets(projectTargets);
 
-  this->WriteTargetsToSolution(fout, orderedProjectTargets);
+  this->WriteTargetsToSolution(fout, root, orderedProjectTargets);
 
   bool useFolderProperty = this->UseFolderProperty();
   if (useFolderProperty)
@@ -511,8 +518,8 @@ void cmGlobalVisualStudio7Generator::WriteProject(std::ostream& fout,
 
   fout << project
        << dspname << "\", \""
-       << this->ConvertToSolutionPath(dir)
-       << "\\" << dspname << ext << "\", \"{"
+       << this->ConvertToSolutionPath(dir) << (dir[0]? "\\":"")
+       << dspname << ext << "\", \"{"
        << this->GetGUID(dspname) << "}\"\nEndProject\n";
 
   UtilityDependsMap::iterator ui = this->UtilityDepends.find(&target);
@@ -521,8 +528,8 @@ void cmGlobalVisualStudio7Generator::WriteProject(std::ostream& fout,
     const char* uname = ui->second.c_str();
     fout << "Project(\"{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}\") = \""
          << uname << "\", \""
-         << this->ConvertToSolutionPath(dir)
-         << "\\" << uname << ".vcproj" << "\", \"{"
+         << this->ConvertToSolutionPath(dir) << (dir[0]? "\\":"")
+         << uname << ".vcproj" << "\", \"{"
          << this->GetGUID(uname) << "}\"\n"
          << "EndProject\n";
     }

Source/cmGlobalVisualStudio7Generator.h

@@ -118,6 +118,7 @@ protected:
 
   virtual void WriteTargetsToSolution(
     std::ostream& fout,
+    cmLocalGenerator* root,
     OrderedTargetDependSet const& projectTargets);
   virtual void WriteTargetDepends(
     std::ostream& fout,