VS: Generate ToolsVersion matching each VS version

The MSBuild version for each Visual Studio generator isn't 4.0.  With
Visual Studo 2013 the ToolsVersion moved from being tied to the .NET
framework and now has its own version number.

3 files changed, 28 insertions, 12 deletions

diff --git a/Source/cmGlobalVisualStudio10Generator.h b/Source/cmGlobalVisualStudio10Generator.h
index 0a95091..31e122e 100644
--- a/Source/cmGlobalVisualStudio10Generator.h
+++ b/Source/cmGlobalVisualStudio10Generator.h
@@ -81,6 +81,9 @@ public:
 
   void PathTooLong(cmTarget* target, cmSourceFile* sf,
                    std::string const& sfRel);
+
+  virtual const char* GetToolsVersion() { return "4.0"; }
+
 protected:
   virtual const char* GetIDEVersion() { return "10.0"; }
 
diff --git a/Source/cmGlobalVisualStudio12Generator.h b/Source/cmGlobalVisualStudio12Generator.h
index 064e310..8c8aeb1 100644
--- a/Source/cmGlobalVisualStudio12Generator.h
+++ b/Source/cmGlobalVisualStudio12Generator.h
@@ -31,6 +31,11 @@ public:
 
   /** TODO: VS 12 user macro support. */
   virtual std::string GetUserMacrosDirectory() { return ""; }
+
+  //in Visual Studio 2013 they detached the MSBuild tools version
+  //from the .Net Framework version and instead made it have it's own
+  //version number
+  virtual const char* GetToolsVersion() { return "12.0"; }
 protected:
   virtual const char* GetIDEVersion() { return "12.0"; }
 private:
diff --git a/Source/cmVisualStudio10TargetGenerator.cxx b/Source/cmVisualStudio10TargetGenerator.cxx
index ea05347..a26b291 100644
--- a/Source/cmVisualStudio10TargetGenerator.cxx
+++ b/Source/cmVisualStudio10TargetGenerator.cxx
@@ -216,12 +216,16 @@ void cmVisualStudio10TargetGenerator::Generate()
   // Write the encoding header into the file
   char magic[] = {0xEF,0xBB, 0xBF};
   this->BuildFileStream->write(magic, 3);
-  this->WriteString("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n",0);
-  this->WriteString("<Project DefaultTargets=\"Build\" "
-                    "ToolsVersion=\"4.0\" "
-                    "xmlns=\"http://schemas.microsoft.com/"
-                    "developer/msbuild/2003\">\n",
-                    0);
+
+  //get the tools version to use
+  const std::string toolsVer(this->GlobalGenerator->GetToolsVersion());
+  std::string project_defaults="<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
+  project_defaults.append("<Project DefaultTargets=\"Build\" ToolsVersion=\"");
+  project_defaults.append(toolsVer +"\" ");
+  project_defaults.append(
+          "xmlns=\"http://schemas.microsoft.com/developer/msbuild/2003\">\n");
+  this->WriteString(project_defaults.c_str(),0);
+
   this->WriteProjectConfigurations();
   this->WriteString("<PropertyGroup Label=\"Globals\">\n", 1);
   this->WriteString("<ProjectGUID>", 2);
@@ -716,12 +720,16 @@ void cmVisualStudio10TargetGenerator::WriteGroups()
   fout.write(magic, 3);
   cmGeneratedFileStream* save = this->BuildFileStream;
   this->BuildFileStream = & fout;
-  this->WriteString("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
-                    "<Project "
-                    "ToolsVersion=\"4.0\" "
-                    "xmlns=\"http://schemas.microsoft.com/"
-                    "developer/msbuild/2003\">\n",
-                    0);
+
+  //get the tools version to use
+  const std::string toolsVer(this->GlobalGenerator->GetToolsVersion());
+  std::string project_defaults="<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
+  project_defaults.append("<Project ToolsVersion=\"");
+  project_defaults.append(toolsVer +"\" ");
+  project_defaults.append(
+        "xmlns=\"http://schemas.microsoft.com/developer/msbuild/2003\">\n");
+  this->WriteString(project_defaults.c_str(),0);
+
   for(ToolSourceMap::const_iterator ti = this->Tools.begin();
       ti != this->Tools.end(); ++ti)
     {