diff --git a/builds/msvc/build/buildall.bat b/builds/msvc/build/buildall.bat
new file mode 100644
index 00000000..3307af6d
--- /dev/null
+++ b/builds/msvc/build/buildall.bat
@@ -0,0 +1,10 @@
+@ECHO OFF
+
+CALL buildbase.bat ..\vs2013\libzmq.sln 12
+ECHO.
+CALL buildbase.bat ..\vs2012\libzmq.sln 11
+ECHO.
+CALL buildbase.bat ..\vs2010\libzmq.sln 10
+ECHO.
+
+PAUSE
\ No newline at end of file
diff --git a/builds/msvc/build/buildbase.bat b/builds/msvc/build/buildbase.bat
new file mode 100644
index 00000000..6563ccbd
--- /dev/null
+++ b/builds/msvc/build/buildbase.bat
@@ -0,0 +1,65 @@
+@ECHO OFF
+REM Usage: [buildbase.bat ..\vs2013\libzmq.sln 12]
+
+SET solution=%1
+SET version=%2
+
+SET log=build_%version%.log
+
+REM This breaks if visual studio is not installed or is installed to a non-default location.
+SET environment="C:\Program Files (x86)\Microsoft Visual Studio %version%.0\VC\vcvarsall.bat"
+
+ECHO Building: %solution%
+
+CALL %environment% x86 > nul
+ECHO Platform=x86
+
+ECHO Configuration=DynDebug
+msbuild /m /v:n /p:Configuration=DynDebug /p:Platform=Win32 %solution% > %log%
+IF errorlevel 1 GOTO error
+ECHO Configuration=DynRelease
+msbuild /m /v:n /p:Configuration=DynRelease /p:Platform=Win32 %solution% >> %log%
+IF errorlevel 1 GOTO error
+ECHO Configuration=LtcgDebug
+msbuild /m /v:n /p:Configuration=LtcgDebug /p:Platform=Win32 %solution% >> %log%
+IF errorlevel 1 GOTO error
+ECHO Configuration=LtcgRelease
+msbuild /m /v:n /p:Configuration=LtcgRelease /p:Platform=Win32 %solution% >> %log%
+IF errorlevel 1 GOTO error
+ECHO Configuration=StaticDebug
+msbuild /m /v:n /p:Configuration=StaticDebug /p:Platform=Win32 %solution% >> %log%
+IF errorlevel 1 GOTO error
+ECHO Configuration=StaticRelease
+msbuild /m /v:n /p:Configuration=StaticRelease /p:Platform=Win32 %solution% >> %log%
+IF errorlevel 1 GOTO error
+
+CALL %environment% x86_amd64 > nul
+ECHO Platform=x64
+
+ECHO Configuration=DynDebug
+msbuild /m /v:n /p:Configuration=DynDebug /p:Platform=x64 %solution% > %log%
+IF errorlevel 1 GOTO error
+ECHO Configuration=DynRelease
+msbuild /m /v:n /p:Configuration=DynRelease /p:Platform=x64 %solution% >> %log%
+IF errorlevel 1 GOTO error
+ECHO Configuration=LtcgDebug
+msbuild /m /v:n /p:Configuration=LtcgDebug /p:Platform=x64 %solution% >> %log%
+IF errorlevel 1 GOTO error
+ECHO Configuration=LtcgRelease
+msbuild /m /v:n /p:Configuration=LtcgRelease /p:Platform=x64 %solution% >> %log%
+IF errorlevel 1 GOTO error
+ECHO Configuration=StaticDebug
+msbuild /m /v:n /p:Configuration=StaticDebug /p:Platform=x64 %solution% >> %log%
+IF errorlevel 1 GOTO error
+ECHO Configuration=StaticRelease
+msbuild /m /v:n /p:Configuration=StaticRelease /p:Platform=x64 %solution% >> %log%
+IF errorlevel 1 GOTO error
+
+ECHO Complete: %solution%
+GOTO end
+
+:error
+ECHO *** ERROR, build terminated, see: %log%
+
+:end
+
diff --git a/builds/msvc/vs2010/inproc_lat/inproc_lat.props b/builds/msvc/vs2010/inproc_lat/inproc_lat.props
index 6732c319..f4a9371e 100644
--- a/builds/msvc/vs2010/inproc_lat/inproc_lat.props
+++ b/builds/msvc/vs2010/inproc_lat/inproc_lat.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2010/inproc_thr/inproc_thr.props b/builds/msvc/vs2010/inproc_thr/inproc_thr.props
index 70518a7b..494ae061 100644
--- a/builds/msvc/vs2010/inproc_thr/inproc_thr.props
+++ b/builds/msvc/vs2010/inproc_thr/inproc_thr.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2010/libsodium.import.props b/builds/msvc/vs2010/libsodium.import.props
index 9ac8df1e..f101769a 100644
--- a/builds/msvc/vs2010/libsodium.import.props
+++ b/builds/msvc/vs2010/libsodium.import.props
@@ -16,39 +16,12 @@
   <ItemDefinitionGroup>
     <ClCompile>
       <AdditionalIncludeDirectories>$(ProjectDir)..\..\..\..\..\libsodium\src\libsodium\include;$(ProjectDir)..\..\..\..\..\libsodium\src\libsodium\include\sodium\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions Condition="'$(Linkage-libsodium)' == 'static' Or '$(Linkage-libsodium)' == 'ltcg'">SODIUM_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
-  </ItemDefinitionGroup>
-  
-  <ItemDefinitionGroup Condition="'$(Linkage-libsodium)' == 'static' Or '$(Linkage-libsodium)' == 'ltcg'">
-    <ClCompile>
-      <PreprocessorDefinitions>SODIUM_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-    </ClCompile>
-  </ItemDefinitionGroup>
-
-    <ItemDefinitionGroup Condition="'$(Linkage-libsodium)' == 'dynamic'">
-    <Link Condition="$(Configuration.IndexOf('Debug')) != -1">
-      <AdditionalDependencies>$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\libsodium10\libsodium.imp.lib;%(AdditionalDependencies)</AdditionalDependencies>
-    </Link>
-    <Link Condition="$(Configuration.IndexOf('Release')) != -1">
-      <AdditionalDependencies>$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Release\libsodium10\libsodium.imp.lib;%(AdditionalDependencies)</AdditionalDependencies>
-    </Link>
-  </ItemDefinitionGroup>
-
-  <ItemDefinitionGroup Condition="'$(Linkage-libsodium)' == 'static'">
-    <Link Condition="$(Configuration.IndexOf('Debug')) != -1">
-      <AdditionalDependencies>$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\libsodium10\libsodium.lib;%(AdditionalDependencies)</AdditionalDependencies>
-    </Link>
-    <Link Condition="$(Configuration.IndexOf('Release')) != -1">
-      <AdditionalDependencies>$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Release\libsodium10\libsodium.lib;%(AdditionalDependencies)</AdditionalDependencies>
-    </Link>
-  </ItemDefinitionGroup>
-
-  <ItemDefinitionGroup Condition="'$(Linkage-libsodium)' == 'ltcg'">
-    <Link Condition="$(Configuration.IndexOf('Debug')) != -1">
-      <AdditionalDependencies>$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\libsodium10\libsodium.ltcg.lib;%(AdditionalDependencies)</AdditionalDependencies>
-    </Link>
-    <Link Condition="$(Configuration.IndexOf('Release')) != -1">
-      <AdditionalDependencies>$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Release\libsodium10\libsodium.ltcg.lib;%(AdditionalDependencies)</AdditionalDependencies>
+    <Link>
+      <AdditionalDependencies>advapi32.lib;crypt32.lib;libsodium.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories Condition="$(Configuration.IndexOf('Debug')) != -1">$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\$(PlatformToolset)\$(Linkage-libsodium)\;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalLibraryDirectories Condition="$(Configuration.IndexOf('Release')) != -1">$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Release\$(PlatformToolset)\$(Linkage-libsodium)\;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
   </ItemDefinitionGroup>
 
@@ -56,15 +29,15 @@
 
   <Target Name="Linkage-libsodium-dynamic" AfterTargets="AfterBuild" Condition="'$(Linkage-libsodium)' == 'dynamic'">
     <Copy Condition="$(Configuration.IndexOf('Debug')) != -1"
-          SourceFiles="$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\libsodium10\libsodium.dll"
+          SourceFiles="$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\$(PlatformToolset)\dynamic\libsodium.dll"
           DestinationFiles="$(TargetDir)libsodium.dll"
           SkipUnchangedFiles="true" />
     <Copy Condition="$(Configuration.IndexOf('Debug')) != -1"
-          SourceFiles="$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\libsodium10\libsodium.pdb"
+          SourceFiles="$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\$(PlatformToolset)\dynamic\libsodium.pdb"
           DestinationFiles="$(TargetDir)libsodium.pdb"
           SkipUnchangedFiles="true" />
     <Copy Condition="$(Configuration.IndexOf('Release')) != -1"
-          SourceFiles="$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Release\libsodium10\libsodium.dll"
+          SourceFiles="$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Release\$(PlatformToolset)\dynamic\libsodium.dll"
           DestinationFiles="$(TargetDir)libsodium.dll"
           SkipUnchangedFiles="true" />
   </Target>
diff --git a/builds/msvc/vs2010/libzmq/libzmq.props b/builds/msvc/vs2010/libzmq/libzmq.props
index d053dceb..a6986280 100644
--- a/builds/msvc/vs2010/libzmq/libzmq.props
+++ b/builds/msvc/vs2010/libzmq/libzmq.props
@@ -21,7 +21,7 @@
   
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\src\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\src\</Command>
     </PreBuildEvent>
     <ClCompile>
       <AdditionalIncludeDirectories>$(ProjectDir)..\..\..\..\include\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
diff --git a/builds/msvc/vs2010/local_lat/local_lat.props b/builds/msvc/vs2010/local_lat/local_lat.props
index bf058718..3f4f641c 100644
--- a/builds/msvc/vs2010/local_lat/local_lat.props
+++ b/builds/msvc/vs2010/local_lat/local_lat.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2010/local_thr/local_thr.props b/builds/msvc/vs2010/local_thr/local_thr.props
index 5d05fd6b..05779efe 100644
--- a/builds/msvc/vs2010/local_thr/local_thr.props
+++ b/builds/msvc/vs2010/local_thr/local_thr.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2010/remote_lat/remote_lat.props b/builds/msvc/vs2010/remote_lat/remote_lat.props
index bed64a4a..c36dba6c 100644
--- a/builds/msvc/vs2010/remote_lat/remote_lat.props
+++ b/builds/msvc/vs2010/remote_lat/remote_lat.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2010/remote_thr/remote_thr.props b/builds/msvc/vs2010/remote_thr/remote_thr.props
index 5a52f4cd..2bc1832e 100644
--- a/builds/msvc/vs2010/remote_thr/remote_thr.props
+++ b/builds/msvc/vs2010/remote_thr/remote_thr.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2012/inproc_lat/inproc_lat.props b/builds/msvc/vs2012/inproc_lat/inproc_lat.props
index 6732c319..f4a9371e 100644
--- a/builds/msvc/vs2012/inproc_lat/inproc_lat.props
+++ b/builds/msvc/vs2012/inproc_lat/inproc_lat.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2012/inproc_thr/inproc_thr.props b/builds/msvc/vs2012/inproc_thr/inproc_thr.props
index 70518a7b..494ae061 100644
--- a/builds/msvc/vs2012/inproc_thr/inproc_thr.props
+++ b/builds/msvc/vs2012/inproc_thr/inproc_thr.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2012/libsodium.import.props b/builds/msvc/vs2012/libsodium.import.props
index 5ef05ecf..f101769a 100644
--- a/builds/msvc/vs2012/libsodium.import.props
+++ b/builds/msvc/vs2012/libsodium.import.props
@@ -16,39 +16,12 @@
   <ItemDefinitionGroup>
     <ClCompile>
       <AdditionalIncludeDirectories>$(ProjectDir)..\..\..\..\..\libsodium\src\libsodium\include;$(ProjectDir)..\..\..\..\..\libsodium\src\libsodium\include\sodium\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions Condition="'$(Linkage-libsodium)' == 'static' Or '$(Linkage-libsodium)' == 'ltcg'">SODIUM_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
-  </ItemDefinitionGroup>
-  
-  <ItemDefinitionGroup Condition="'$(Linkage-libsodium)' == 'static' Or '$(Linkage-libsodium)' == 'ltcg'">
-    <ClCompile>
-      <PreprocessorDefinitions>SODIUM_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-    </ClCompile>
-  </ItemDefinitionGroup>
-
-    <ItemDefinitionGroup Condition="'$(Linkage-libsodium)' == 'dynamic'">
-    <Link Condition="$(Configuration.IndexOf('Debug')) != -1">
-      <AdditionalDependencies>$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\libsodium11\libsodium.imp.lib;%(AdditionalDependencies)</AdditionalDependencies>
-    </Link>
-    <Link Condition="$(Configuration.IndexOf('Release')) != -1">
-      <AdditionalDependencies>$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Release\libsodium11\libsodium.imp.lib;%(AdditionalDependencies)</AdditionalDependencies>
-    </Link>
-  </ItemDefinitionGroup>
-
-  <ItemDefinitionGroup Condition="'$(Linkage-libsodium)' == 'static'">
-    <Link Condition="$(Configuration.IndexOf('Debug')) != -1">
-      <AdditionalDependencies>$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\libsodium11\libsodium.lib;%(AdditionalDependencies)</AdditionalDependencies>
-    </Link>
-    <Link Condition="$(Configuration.IndexOf('Release')) != -1">
-      <AdditionalDependencies>$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Release\libsodium11\libsodium.lib;%(AdditionalDependencies)</AdditionalDependencies>
-    </Link>
-  </ItemDefinitionGroup>
-
-  <ItemDefinitionGroup Condition="'$(Linkage-libsodium)' == 'ltcg'">
-    <Link Condition="$(Configuration.IndexOf('Debug')) != -1">
-      <AdditionalDependencies>$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\libsodium11\libsodium.ltcg.lib;%(AdditionalDependencies)</AdditionalDependencies>
-    </Link>
-    <Link Condition="$(Configuration.IndexOf('Release')) != -1">
-      <AdditionalDependencies>$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Release\libsodium11\libsodium.ltcg.lib;%(AdditionalDependencies)</AdditionalDependencies>
+    <Link>
+      <AdditionalDependencies>advapi32.lib;crypt32.lib;libsodium.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories Condition="$(Configuration.IndexOf('Debug')) != -1">$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\$(PlatformToolset)\$(Linkage-libsodium)\;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalLibraryDirectories Condition="$(Configuration.IndexOf('Release')) != -1">$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Release\$(PlatformToolset)\$(Linkage-libsodium)\;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
   </ItemDefinitionGroup>
 
@@ -56,15 +29,15 @@
 
   <Target Name="Linkage-libsodium-dynamic" AfterTargets="AfterBuild" Condition="'$(Linkage-libsodium)' == 'dynamic'">
     <Copy Condition="$(Configuration.IndexOf('Debug')) != -1"
-          SourceFiles="$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\libsodium11\libsodium.dll"
+          SourceFiles="$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\$(PlatformToolset)\dynamic\libsodium.dll"
           DestinationFiles="$(TargetDir)libsodium.dll"
           SkipUnchangedFiles="true" />
     <Copy Condition="$(Configuration.IndexOf('Debug')) != -1"
-          SourceFiles="$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\libsodium11\libsodium.pdb"
+          SourceFiles="$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\$(PlatformToolset)\dynamic\libsodium.pdb"
           DestinationFiles="$(TargetDir)libsodium.pdb"
           SkipUnchangedFiles="true" />
     <Copy Condition="$(Configuration.IndexOf('Release')) != -1"
-          SourceFiles="$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Release\libsodium11\libsodium.dll"
+          SourceFiles="$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Release\$(PlatformToolset)\dynamic\libsodium.dll"
           DestinationFiles="$(TargetDir)libsodium.dll"
           SkipUnchangedFiles="true" />
   </Target>
diff --git a/builds/msvc/vs2012/libzmq/libzmq.props b/builds/msvc/vs2012/libzmq/libzmq.props
index d053dceb..a6986280 100644
--- a/builds/msvc/vs2012/libzmq/libzmq.props
+++ b/builds/msvc/vs2012/libzmq/libzmq.props
@@ -21,7 +21,7 @@
   
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\src\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\src\</Command>
     </PreBuildEvent>
     <ClCompile>
       <AdditionalIncludeDirectories>$(ProjectDir)..\..\..\..\include\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
diff --git a/builds/msvc/vs2012/local_lat/local_lat.props b/builds/msvc/vs2012/local_lat/local_lat.props
index bf058718..3f4f641c 100644
--- a/builds/msvc/vs2012/local_lat/local_lat.props
+++ b/builds/msvc/vs2012/local_lat/local_lat.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2012/local_thr/local_thr.props b/builds/msvc/vs2012/local_thr/local_thr.props
index 5d05fd6b..05779efe 100644
--- a/builds/msvc/vs2012/local_thr/local_thr.props
+++ b/builds/msvc/vs2012/local_thr/local_thr.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2012/remote_lat/remote_lat.props b/builds/msvc/vs2012/remote_lat/remote_lat.props
index bed64a4a..c36dba6c 100644
--- a/builds/msvc/vs2012/remote_lat/remote_lat.props
+++ b/builds/msvc/vs2012/remote_lat/remote_lat.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2012/remote_thr/remote_thr.props b/builds/msvc/vs2012/remote_thr/remote_thr.props
index 5a52f4cd..2bc1832e 100644
--- a/builds/msvc/vs2012/remote_thr/remote_thr.props
+++ b/builds/msvc/vs2012/remote_thr/remote_thr.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2013/inproc_lat/inproc_lat.props b/builds/msvc/vs2013/inproc_lat/inproc_lat.props
index 6732c319..f4a9371e 100644
--- a/builds/msvc/vs2013/inproc_lat/inproc_lat.props
+++ b/builds/msvc/vs2013/inproc_lat/inproc_lat.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2013/inproc_thr/inproc_thr.props b/builds/msvc/vs2013/inproc_thr/inproc_thr.props
index 70518a7b..494ae061 100644
--- a/builds/msvc/vs2013/inproc_thr/inproc_thr.props
+++ b/builds/msvc/vs2013/inproc_thr/inproc_thr.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2013/libsodium.import.props b/builds/msvc/vs2013/libsodium.import.props
index dc854609..f101769a 100644
--- a/builds/msvc/vs2013/libsodium.import.props
+++ b/builds/msvc/vs2013/libsodium.import.props
@@ -18,32 +18,10 @@
       <AdditionalIncludeDirectories>$(ProjectDir)..\..\..\..\..\libsodium\src\libsodium\include;$(ProjectDir)..\..\..\..\..\libsodium\src\libsodium\include\sodium\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PreprocessorDefinitions Condition="'$(Linkage-libsodium)' == 'static' Or '$(Linkage-libsodium)' == 'ltcg'">SODIUM_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
-  </ItemDefinitionGroup>
-
-  <ItemDefinitionGroup Condition="'$(Linkage-libsodium)' == 'dynamic'">
-    <Link Condition="$(Configuration.IndexOf('Debug')) != -1">
-      <AdditionalDependencies>$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\libsodium12\libsodium.imp.lib;%(AdditionalDependencies)</AdditionalDependencies>
-    </Link>
-    <Link Condition="$(Configuration.IndexOf('Release')) != -1">
-      <AdditionalDependencies>$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Release\libsodium12\libsodium.imp.lib;%(AdditionalDependencies)</AdditionalDependencies>
-    </Link>
-  </ItemDefinitionGroup>
-
-  <ItemDefinitionGroup Condition="'$(Linkage-libsodium)' == 'static'">
-    <Link Condition="$(Configuration.IndexOf('Debug')) != -1">
-      <AdditionalDependencies>$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\libsodium12\libsodium.lib;%(AdditionalDependencies)</AdditionalDependencies>
-    </Link>
-    <Link Condition="$(Configuration.IndexOf('Release')) != -1">
-      <AdditionalDependencies>$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Release\libsodium12\libsodium.lib;%(AdditionalDependencies)</AdditionalDependencies>
-    </Link>
-  </ItemDefinitionGroup>
-
-  <ItemDefinitionGroup Condition="'$(Linkage-libsodium)' == 'ltcg'">
-    <Link Condition="$(Configuration.IndexOf('Debug')) != -1">
-      <AdditionalDependencies>$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\libsodium12\libsodium.ltcg.lib;%(AdditionalDependencies)</AdditionalDependencies>
-    </Link>
-    <Link Condition="$(Configuration.IndexOf('Release')) != -1">
-      <AdditionalDependencies>$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Release\libsodium12\libsodium.ltcg.lib;%(AdditionalDependencies)</AdditionalDependencies>
+    <Link>
+      <AdditionalDependencies>advapi32.lib;crypt32.lib;libsodium.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories Condition="$(Configuration.IndexOf('Debug')) != -1">$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\$(PlatformToolset)\$(Linkage-libsodium)\;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalLibraryDirectories Condition="$(Configuration.IndexOf('Release')) != -1">$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Release\$(PlatformToolset)\$(Linkage-libsodium)\;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
   </ItemDefinitionGroup>
 
@@ -51,15 +29,15 @@
 
   <Target Name="Linkage-libsodium-dynamic" AfterTargets="AfterBuild" Condition="'$(Linkage-libsodium)' == 'dynamic'">
     <Copy Condition="$(Configuration.IndexOf('Debug')) != -1"
-          SourceFiles="$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\libsodium12\libsodium.dll"
+          SourceFiles="$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\$(PlatformToolset)\dynamic\libsodium.dll"
           DestinationFiles="$(TargetDir)libsodium.dll"
           SkipUnchangedFiles="true" />
     <Copy Condition="$(Configuration.IndexOf('Debug')) != -1"
-          SourceFiles="$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\libsodium12\libsodium.pdb"
+          SourceFiles="$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Debug\$(PlatformToolset)\dynamic\libsodium.pdb"
           DestinationFiles="$(TargetDir)libsodium.pdb"
           SkipUnchangedFiles="true" />
     <Copy Condition="$(Configuration.IndexOf('Release')) != -1"
-          SourceFiles="$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Release\libsodium12\libsodium.dll"
+          SourceFiles="$(ProjectDir)..\..\..\..\..\libsodium\bin\$(PlatformName)\Release\$(PlatformToolset)\dynamic\libsodium.dll"
           DestinationFiles="$(TargetDir)libsodium.dll"
           SkipUnchangedFiles="true" />
   </Target>
diff --git a/builds/msvc/vs2013/libzmq/libzmq.props b/builds/msvc/vs2013/libzmq/libzmq.props
index d053dceb..a6986280 100644
--- a/builds/msvc/vs2013/libzmq/libzmq.props
+++ b/builds/msvc/vs2013/libzmq/libzmq.props
@@ -21,7 +21,7 @@
   
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\src\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\src\</Command>
     </PreBuildEvent>
     <ClCompile>
       <AdditionalIncludeDirectories>$(ProjectDir)..\..\..\..\include\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
diff --git a/builds/msvc/vs2013/local_lat/local_lat.props b/builds/msvc/vs2013/local_lat/local_lat.props
index bf058718..3f4f641c 100644
--- a/builds/msvc/vs2013/local_lat/local_lat.props
+++ b/builds/msvc/vs2013/local_lat/local_lat.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2013/local_thr/local_thr.props b/builds/msvc/vs2013/local_thr/local_thr.props
index 5d05fd6b..05779efe 100644
--- a/builds/msvc/vs2013/local_thr/local_thr.props
+++ b/builds/msvc/vs2013/local_thr/local_thr.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2013/remote_lat/remote_lat.props b/builds/msvc/vs2013/remote_lat/remote_lat.props
index bed64a4a..c36dba6c 100644
--- a/builds/msvc/vs2013/remote_lat/remote_lat.props
+++ b/builds/msvc/vs2013/remote_lat/remote_lat.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2013/remote_thr/remote_thr.props b/builds/msvc/vs2013/remote_thr/remote_thr.props
index 5a52f4cd..2bc1832e 100644
--- a/builds/msvc/vs2013/remote_thr/remote_thr.props
+++ b/builds/msvc/vs2013/remote_thr/remote_thr.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>