Index: src/chext/chext.vc140.vcxproj
===================================================================
diff -u -r7972b0944e0a947144fbdb93262f7d73ac528dc7 -r3e101bacf01b8bc7a0b5f52e98ce8227582558a2
--- src/chext/chext.vc140.vcxproj	(.../chext.vc140.vcxproj)	(revision 7972b0944e0a947144fbdb93262f7d73ac528dc7)
+++ src/chext/chext.vc140.vcxproj	(.../chext.vc140.vcxproj)	(revision 3e101bacf01b8bc7a0b5f52e98ce8227582558a2)
@@ -99,27 +99,35 @@
   </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="..\common\Boost.props" />
   </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Testing Release|Win32'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="..\common\Boost.props" />
   </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="..\common\Boost.props" />
   </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Testing Debug|Win32'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="..\common\Boost.props" />
   </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="..\common\Boost.props" />
   </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Testing Release|x64'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="..\common\Boost.props" />
   </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="..\common\Boost.props" />
   </ImportGroup>
   <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Testing Debug|x64'" Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="..\common\Boost.props" />
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup>
@@ -130,16 +138,12 @@
     <IntDir>$(SolutionDir)intermediate\$(PlatformToolset)\$(Platform)\$(ProjectName)_$(Configuration)\</IntDir>
     <IgnoreImportLibrary>true</IgnoreImportLibrary>
     <LinkIncremental>true</LinkIncremental>
-    <IncludePath>C:\dev\boost_1_58_0;$(IncludePath)</IncludePath>
-    <LibraryPath>C:\dev\boost_1_58_0\lib-$(VisualStudioVersion)\x32\lib;$(LibraryPath)</LibraryPath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Testing Debug|Win32'">
     <OutDir>$(SolutionDir)bin\$(Configuration)\</OutDir>
     <IntDir>$(SolutionDir)intermediate\$(PlatformToolset)\$(Platform)\$(ProjectName)_$(Configuration)\</IntDir>
     <IgnoreImportLibrary>true</IgnoreImportLibrary>
     <LinkIncremental>true</LinkIncremental>
-    <IncludePath>C:\dev\boost_1_58_0;$(IncludePath)</IncludePath>
-    <LibraryPath>C:\dev\boost_1_58_0\lib-$(VisualStudioVersion)\x32\lib;$(LibraryPath)</LibraryPath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <OutDir>$(SolutionDir)bin\$(Configuration)\</OutDir>
@@ -149,8 +153,6 @@
     <CodeAnalysisRuleSet>NativeRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <RunCodeAnalysis>false</RunCodeAnalysis>
     <TargetName>$(ProjectName)64</TargetName>
-    <IncludePath>C:\dev\boost_1_58_0;$(IncludePath)</IncludePath>
-    <LibraryPath>C:\dev\boost_1_58_0\lib-$(VisualStudioVersion)\x64\lib;$(LibraryPath)</LibraryPath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Testing Debug|x64'">
     <OutDir>$(SolutionDir)bin\$(Configuration)\</OutDir>
@@ -160,42 +162,32 @@
     <CodeAnalysisRuleSet>NativeRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <RunCodeAnalysis>false</RunCodeAnalysis>
     <TargetName>$(ProjectName)64</TargetName>
-    <IncludePath>C:\dev\boost_1_58_0;$(IncludePath)</IncludePath>
-    <LibraryPath>C:\dev\boost_1_58_0\lib-$(VisualStudioVersion)\x64\lib;$(LibraryPath)</LibraryPath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <OutDir>$(SolutionDir)bin\$(Configuration)\</OutDir>
     <IntDir>$(SolutionDir)intermediate\$(PlatformToolset)\$(Platform)\$(ProjectName)_$(Configuration)\</IntDir>
     <IgnoreImportLibrary>true</IgnoreImportLibrary>
     <LinkIncremental>false</LinkIncremental>
-    <IncludePath>C:\dev\boost_1_58_0;$(IncludePath)</IncludePath>
-    <LibraryPath>C:\dev\boost_1_58_0\lib-$(VisualStudioVersion)\x32\lib;$(LibraryPath)</LibraryPath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Testing Release|Win32'">
     <OutDir>$(SolutionDir)bin\$(Configuration)\</OutDir>
     <IntDir>$(SolutionDir)intermediate\$(PlatformToolset)\$(Platform)\$(ProjectName)_$(Configuration)\</IntDir>
     <IgnoreImportLibrary>true</IgnoreImportLibrary>
     <LinkIncremental>false</LinkIncremental>
-    <IncludePath>C:\dev\boost_1_58_0;$(IncludePath)</IncludePath>
-    <LibraryPath>C:\dev\boost_1_58_0\lib-$(VisualStudioVersion)\x32\lib;$(LibraryPath)</LibraryPath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <OutDir>$(SolutionDir)bin\$(Configuration)\</OutDir>
     <IntDir>$(SolutionDir)intermediate\$(PlatformToolset)\$(Platform)\$(ProjectName)_$(Configuration)\</IntDir>
     <IgnoreImportLibrary>true</IgnoreImportLibrary>
     <LinkIncremental>false</LinkIncremental>
     <TargetName>$(ProjectName)64</TargetName>
-    <IncludePath>C:\dev\boost_1_58_0;$(IncludePath)</IncludePath>
-    <LibraryPath>C:\dev\boost_1_58_0\lib-$(VisualStudioVersion)\x64\lib;$(LibraryPath)</LibraryPath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Testing Release|x64'">
     <OutDir>$(SolutionDir)bin\$(Configuration)\</OutDir>
     <IntDir>$(SolutionDir)intermediate\$(PlatformToolset)\$(Platform)\$(ProjectName)_$(Configuration)\</IntDir>
     <IgnoreImportLibrary>true</IgnoreImportLibrary>
     <LinkIncremental>false</LinkIncremental>
     <TargetName>$(ProjectName)64</TargetName>
-    <IncludePath>C:\dev\boost_1_58_0;$(IncludePath)</IncludePath>
-    <LibraryPath>C:\dev\boost_1_58_0\lib-$(VisualStudioVersion)\x64\lib;$(LibraryPath)</LibraryPath>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <Midl>