From d1b87d72f964ae57966c5f02ee9e32236bd59338 Mon Sep 17 00:00:00 2001
From: Gilles Khouzam <gillesk@microsoft.com>
Date: Fri, 2 Oct 2015 11:34:55 -0700
Subject: [PATCH] VS: Select Windows 10 Store SDK and toolset for VS 2015

---
 Source/cmGlobalVisualStudio14Generator.cxx | 63 ++++++++++++++++++++++
 Source/cmGlobalVisualStudio14Generator.h   |  7 +++
 2 files changed, 70 insertions(+)

diff --git a/Source/cmGlobalVisualStudio14Generator.cxx b/Source/cmGlobalVisualStudio14Generator.cxx
index 661dddd88..41825fb15 100644
--- a/Source/cmGlobalVisualStudio14Generator.cxx
+++ b/Source/cmGlobalVisualStudio14Generator.cxx
@@ -120,6 +120,34 @@ bool cmGlobalVisualStudio14Generator::InitializeWindows(cmMakefile* mf)
   return true;
 }
 
+//----------------------------------------------------------------------------
+bool cmGlobalVisualStudio14Generator::InitializeWindowsStore(cmMakefile* mf)
+{
+  std::ostringstream  e;
+  if(!this->SelectWindowsStoreToolset(this->DefaultPlatformToolset))
+    {
+    if(this->DefaultPlatformToolset.empty())
+      {
+      e << this->GetName() << " supports Windows Store '8.0', '8.1' and "
+        "'10.0', but not '" << this->SystemVersion <<
+        "'.  Check CMAKE_SYSTEM_VERSION.";
+      }
+    else
+      {
+      e << "A Windows Store component with CMake requires both the Windows "
+        << "Desktop SDK as well as the Windows Store '" << this->SystemVersion
+        << "' SDK. Please make sure that you have both installed";
+      }
+    mf->IssueMessage(cmake::FATAL_ERROR, e.str());
+    return false;
+    }
+  if (cmHasLiteralPrefix(this->SystemVersion, "10.0"))
+    {
+    return this->SelectWindows10SDK(mf);
+    }
+  return true;
+}
+
 //----------------------------------------------------------------------------
 bool cmGlobalVisualStudio14Generator::SelectWindows10SDK(cmMakefile* mf)
 {
@@ -138,6 +166,28 @@ bool cmGlobalVisualStudio14Generator::SelectWindows10SDK(cmMakefile* mf)
   return true;
 }
 
+//----------------------------------------------------------------------------
+bool
+cmGlobalVisualStudio14Generator::SelectWindowsStoreToolset(
+  std::string& toolset) const
+{
+  if (cmHasLiteralPrefix(this->SystemVersion, "10.0"))
+    {
+    if (this->IsWindowsStoreToolsetInstalled() &&
+        this->IsWindowsDesktopToolsetInstalled())
+      {
+      toolset = "v140";
+      return true;
+      }
+    else
+      {
+      return false;
+      }
+    }
+  return
+    this->cmGlobalVisualStudio12Generator::SelectWindowsStoreToolset(toolset);
+}
+
 //----------------------------------------------------------------------------
 void cmGlobalVisualStudio14Generator::WriteSLNHeader(std::ostream& fout)
 {
@@ -166,6 +216,19 @@ cmGlobalVisualStudio14Generator::IsWindowsDesktopToolsetInstalled() const
     vc14, cmSystemTools::KeyWOW64_32);
 }
 
+//----------------------------------------------------------------------------
+bool
+cmGlobalVisualStudio14Generator::IsWindowsStoreToolsetInstalled() const
+{
+  const char universal10Key[] =
+    "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\"
+    "VisualStudio\\14.0\\Setup\\Build Tools for Windows 10;SrcPath";
+
+  std::string win10SDK;
+  return cmSystemTools::ReadRegistryValue(universal10Key,
+    win10SDK, cmSystemTools::KeyWOW64_32);
+}
+
 //----------------------------------------------------------------------------
 std::string cmGlobalVisualStudio14Generator::GetWindows10SDKVersion()
 {
diff --git a/Source/cmGlobalVisualStudio14Generator.h b/Source/cmGlobalVisualStudio14Generator.h
index fcade852c..76c15d99c 100644
--- a/Source/cmGlobalVisualStudio14Generator.h
+++ b/Source/cmGlobalVisualStudio14Generator.h
@@ -31,6 +31,13 @@ public:
   virtual const char* GetToolsVersion() { return "14.0"; }
 protected:
   virtual bool InitializeWindows(cmMakefile* mf);
+  virtual bool InitializeWindowsStore(cmMakefile* mf);
+  virtual bool SelectWindowsStoreToolset(std::string& toolset) const;
+
+  // These aren't virtual because we need to check if the selected version
+  // of the toolset is installed
+  bool IsWindowsStoreToolsetInstalled() const;
+
   virtual const char* GetIDEVersion() { return "14.0"; }
   virtual bool SelectWindows10SDK(cmMakefile* mf);