Index: src/libstring/libstring.vcxproj
===================================================================
diff -u -r4635360505e8d113395dc8cc394dfb696747e197 -r45a7e805257e38e2158afdfae64ead288e9d945b
--- src/libstring/libstring.vcxproj	(.../libstring.vcxproj)	(revision 4635360505e8d113395dc8cc394dfb696747e197)
+++ src/libstring/libstring.vcxproj	(.../libstring.vcxproj)	(revision 45a7e805257e38e2158afdfae64ead288e9d945b)
@@ -195,9 +195,11 @@
       <AdditionalIncludeDirectories>../../ext</AdditionalIncludeDirectories>
       <DisableSpecificWarnings>4512;4714</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
-      <AdditionalOptions>/Zm150 /Zc:threadSafeInit- %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalOptions>/Zm150 %(AdditionalOptions)</AdditionalOptions>
       <LanguageStandard>stdcpp17</LanguageStandard>
       <EnforceTypeConversionRules>true</EnforceTypeConversionRules>
+      <ControlFlowGuard>Guard</ControlFlowGuard>
+      <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -221,9 +223,11 @@
       <AdditionalIncludeDirectories>..\..\ext\googletest\googletest\include;..\..\ext\googletest\googlemock\include;../../ext</AdditionalIncludeDirectories>
       <DisableSpecificWarnings>4512;4714</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
-      <AdditionalOptions>/Zm150 /Zc:threadSafeInit- %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalOptions>/Zm150 %(AdditionalOptions)</AdditionalOptions>
       <LanguageStandard>stdcpp17</LanguageStandard>
       <EnforceTypeConversionRules>true</EnforceTypeConversionRules>
+      <ControlFlowGuard>Guard</ControlFlowGuard>
+      <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -268,9 +272,11 @@
       <SDLCheck>true</SDLCheck>
       <AdditionalIncludeDirectories>../../ext</AdditionalIncludeDirectories>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
-      <AdditionalOptions>/Zm150 /Zc:threadSafeInit- %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalOptions>/Zm150 %(AdditionalOptions)</AdditionalOptions>
       <LanguageStandard>stdcpp17</LanguageStandard>
       <EnforceTypeConversionRules>true</EnforceTypeConversionRules>
+      <ControlFlowGuard>Guard</ControlFlowGuard>
+      <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -298,9 +304,11 @@
       <SDLCheck>true</SDLCheck>
       <AdditionalIncludeDirectories>..\..\ext\googletest\googletest\include;..\..\ext\googletest\googlemock\include;../../ext</AdditionalIncludeDirectories>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
-      <AdditionalOptions>/Zm150 /Zc:threadSafeInit- %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalOptions>/Zm150 %(AdditionalOptions)</AdditionalOptions>
       <LanguageStandard>stdcpp17</LanguageStandard>
       <EnforceTypeConversionRules>true</EnforceTypeConversionRules>
+      <ControlFlowGuard>Guard</ControlFlowGuard>
+      <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -341,9 +349,11 @@
       <AdditionalIncludeDirectories>../../ext</AdditionalIncludeDirectories>
       <DisableSpecificWarnings>4512;4714</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
-      <AdditionalOptions>/Zm150 /Zc:threadSafeInit- %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalOptions>/Zm150 %(AdditionalOptions)</AdditionalOptions>
       <LanguageStandard>stdcpp17</LanguageStandard>
       <EnforceTypeConversionRules>true</EnforceTypeConversionRules>
+      <ControlFlowGuard>Guard</ControlFlowGuard>
+      <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -369,9 +379,11 @@
       <AdditionalIncludeDirectories>..\..\ext\googletest\googletest\include;..\..\ext\googletest\googlemock\include;../../ext</AdditionalIncludeDirectories>
       <DisableSpecificWarnings>4512;4714</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
-      <AdditionalOptions>/Zm150 /Zc:threadSafeInit- %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalOptions>/Zm150 %(AdditionalOptions)</AdditionalOptions>
       <LanguageStandard>stdcpp17</LanguageStandard>
       <EnforceTypeConversionRules>true</EnforceTypeConversionRules>
+      <ControlFlowGuard>Guard</ControlFlowGuard>
+      <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -417,9 +429,11 @@
       <AdditionalIncludeDirectories>../../ext</AdditionalIncludeDirectories>
       <DisableSpecificWarnings>4512;4714</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
-      <AdditionalOptions>/Zm150 /Zc:threadSafeInit- %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalOptions>/Zm150 %(AdditionalOptions)</AdditionalOptions>
       <LanguageStandard>stdcpp17</LanguageStandard>
       <EnforceTypeConversionRules>true</EnforceTypeConversionRules>
+      <ControlFlowGuard>Guard</ControlFlowGuard>
+      <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -448,9 +462,11 @@
       <AdditionalIncludeDirectories>..\..\ext\googletest\googletest\include;..\..\ext\googletest\googlemock\include;../../ext</AdditionalIncludeDirectories>
       <DisableSpecificWarnings>4512;4714</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
-      <AdditionalOptions>/Zm150 /Zc:threadSafeInit- %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalOptions>/Zm150 %(AdditionalOptions)</AdditionalOptions>
       <LanguageStandard>stdcpp17</LanguageStandard>
       <EnforceTypeConversionRules>true</EnforceTypeConversionRules>
+      <ControlFlowGuard>Guard</ControlFlowGuard>
+      <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>