Problem: curve not enabled by default in Visual Studio.

builds/msvc/vs2010/inproc_lat/inproc_lat.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2010/inproc_thr/inproc_thr.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2010/libzmq/libzmq.vcxproj

@@ -66,6 +66,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
     <ClInclude Include="..\..\resource.h" />

builds/msvc/vs2010/local_lat/local_lat.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2010/local_thr/local_thr.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2010/remote_lat/remote_lat.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2010/remote_thr/remote_thr.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2012/inproc_lat/inproc_lat.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2012/inproc_thr/inproc_thr.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2012/libzmq/libzmq.vcxproj

@@ -66,6 +66,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
     <ClInclude Include="..\..\resource.h" />

builds/msvc/vs2012/local_lat/local_lat.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2012/local_thr/local_thr.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2012/remote_lat/remote_lat.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2012/remote_thr/remote_thr.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2013/inproc_lat/inproc_lat.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2013/inproc_thr/inproc_thr.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2013/libzmq/libzmq.vcxproj

@@ -66,6 +66,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
     <ClInclude Include="..\..\resource.h" />

builds/msvc/vs2013/local_lat/local_lat.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2013/local_thr/local_thr.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2013/remote_lat/remote_lat.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2013/remote_thr/remote_thr.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2015/inproc_lat/inproc_lat.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2015/inproc_thr/inproc_thr.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2015/libzmq/libzmq.vcxproj

@@ -66,6 +66,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
     <ClInclude Include="..\..\resource.h" />

builds/msvc/vs2015/local_lat/local_lat.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2015/local_thr/local_thr.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2015/remote_lat/remote_lat.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2015/remote_thr/remote_thr.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2017/inproc_lat/inproc_lat.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2017/inproc_thr/inproc_thr.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2017/libzmq/libzmq.vcxproj

@@ -66,6 +66,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
     <ClInclude Include="..\..\resource.h" />

builds/msvc/vs2017/local_lat/local_lat.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2017/local_thr/local_thr.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2017/remote_lat/remote_lat.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>

builds/msvc/vs2017/remote_thr/remote_thr.vcxproj

@@ -63,6 +63,9 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup>
+    <Option-tweet>true</Option-tweet>
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\platform.hpp" />
   </ItemGroup>