Set WarningLevel to Level1 for Release, treat warnings as errors

Our vcxproj files set the WarningLevel to Level3, which is too verbose
for a code that needs to be portable.  That basically leads to ignoring
all the errors that MSVC produces.  This commits downgrades the
WarningLevel to Level1 and enables treating warnings as errors for
Release builds.  For the Debug builds the WarningLevel got upgraded to
Level4, and treating warnings as errors is explicitly disabled.

We should eventually make the code clean of all MSVC warnings, but it's
a long way to go for Level4, so it's more reasonable to start at Level1.

For reference[1], these are the warning levels as described by MSVC
documentation:

  * /W0 suppresses all warnings. It's equivalent to /w.
  * /W1 displays level 1 (severe) warnings. /W1 is the default setting
    in the command-line compiler.
  * /W2 displays level 1 and level 2 (significant) warnings.
  * /W3 displays level 1, level 2, and level 3 (production quality)
    warnings. /W3 is the default setting in the IDE.
  * /W4 displays level 1, level 2, and level 3 warnings, and all level 4
    (informational) warnings that aren't off by default. We recommend
    that you use this option to provide lint-like warnings. For a new
    project, it may be best to use /W4 in all compilations. This option
    helps ensure the fewest possible hard-to-find code defects.
  * /Wall displays all warnings displayed by /W4 and all other warnings
    that /W4 doesn't include — for example, warnings that are off by
    default.
  * /WX treats all compiler warnings as errors. For a new project, it
    may be best to use /WX in all compilations; resolving all warnings
    ensures the fewest possible hard-to-find code defects.

1. https://docs.microsoft.com/en-us/cpp/build/reference/compiler-option-warning-level?view=vs-2019

(cherry picked from commit 789d253e3d)

bin/check/win32/checkconf.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/check/win32/checktool.vcxproj.in

@@ -59,7 +59,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -77,7 +78,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/check/win32/checkzone.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -84,7 +85,8 @@ copy /Y named-checkzone.ilk named-compilezone.ilk
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/confgen/win32/confgentool.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -73,7 +74,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/confgen/win32/ddnsconfgen.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -84,7 +85,8 @@ copy /Y ddns-confgen.ilk tsig-keygen.ilk
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/confgen/win32/rndcconfgen.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/delv/win32/delv.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/dig/win32/dig.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/dig/win32/dighost.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -74,7 +75,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/dig/win32/host.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/dig/win32/nslookup.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@USE_READLINE_STATIC;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/dnssec/win32/dnssectool.vcxproj.in

@@ -62,7 +62,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -81,7 +82,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/dnssec/win32/dsfromkey.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -91,7 +92,8 @@ set PYTHONPATH=.
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/dnssec/win32/importkey.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/dnssec/win32/keyfromlabel.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/dnssec/win32/keygen.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/dnssec/win32/revoke.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/dnssec/win32/settime.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/dnssec/win32/signzone.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/dnssec/win32/verify.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/named/win32/named.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@@USE_GSSAPI@BUILDER="Visual Studio";_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/nsupdate/win32/nsupdate.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@@USE_GSSAPI@USE_READLINE_STATIC;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/pkcs11/win32/pk11destroy.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@PK11_LIB_LOCATION@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/pkcs11/win32/pk11keygen.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@PK11_LIB_LOCATION@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/pkcs11/win32/pk11list.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@PK11_LIB_LOCATION@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/pkcs11/win32/pk11tokens.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@PK11_LIB_LOCATION@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/rndc/win32/rndc.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/rndc/win32/rndcutil.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -74,7 +75,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tests/system/win32/bigkey.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tests/system/win32/feature-test.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tests/system/win32/gencheck.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tests/system/win32/keycreate.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tests/system/win32/keydelete.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tests/system/win32/lwtest.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tests/system/win32/pipequeries.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tests/win32/backtrace_test.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tests/win32/inter_test.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tests/win32/makejournal.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tests/win32/rwlock_test.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tests/win32/shutdown_test.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tests/win32/sock_test.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tests/win32/task_test.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tests/win32/timer_test.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tools/win32/arpaname.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>.\;..\..\..\;@LIBXML2_INC@..\..\..\lib\isc\win32;..\..\..\lib\isc\win32\include;..\..\..\lib\isc\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tools/win32/genrandom.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tools/win32/ischmacfixup.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tools/win32/journalprint.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tools/win32/mdig.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tools/win32/nsec3hash.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/tools/win32/rrchecker.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

bin/win32/BINDInstall/BINDInstall.vcxproj.in

@@ -56,7 +56,8 @@
     <ClCompile>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <PrecompiledHeader>Use</PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;@CRYPTO@@USE_GSSAPI@@USE_PYTHON@_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\..\..;..\include;..\..\..\include;..\..\named\win32\include;..\..\..\lib\isc\win32\include;..\..\..\lib\isc\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
@@ -83,7 +84,8 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>

doc/xsl/graphics/caution.eps

@@ -82,8 +82,8 @@ readbinarystring
 } if
 pop exch pop
 } bdf
-/_NXLevel2 defed { 
-_NXLevel2 not { 
+/_NXLevel1 defed { 
+_NXLevel1 not { 
 /colorimage where {
 userdict eq {
 /_rci false def 

doc/xsl/graphics/important.eps

@@ -82,8 +82,8 @@ readbinarystring
 } if
 pop exch pop
 } bdf
-/_NXLevel2 defed { 
-_NXLevel2 not { 
+/_NXLevel1 defed { 
+_NXLevel1 not { 
 /colorimage where {
 userdict eq {
 /_rci false def 

doc/xsl/graphics/note.eps

@@ -82,8 +82,8 @@ readbinarystring
 } if
 pop exch pop
 } bdf
-/_NXLevel2 defed { 
-_NXLevel2 not { 
+/_NXLevel1 defed { 
+_NXLevel1 not { 
 /colorimage where {
 userdict eq {
 /_rci false def 

doc/xsl/graphics/tip.eps

@@ -82,8 +82,8 @@ readbinarystring
 } if
 pop exch pop
 } bdf
-/_NXLevel2 defed { 
-_NXLevel2 not { 
+/_NXLevel1 defed { 
+_NXLevel1 not { 
 /colorimage where {
 userdict eq {
 /_rci false def 

doc/xsl/graphics/warning.eps

@@ -82,8 +82,8 @@ readbinarystring
 } if
 pop exch pop
 } bdf
-/_NXLevel2 defed { 
-_NXLevel2 not { 
+/_NXLevel1 defed { 
+_NXLevel1 not { 
 /colorimage where {
 userdict eq {
 /_rci false def 

lib/bind9/win32/libbind9.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;USE_MD5;@CRYPTO@_DEBUG;_WINDOWS;_USRDLL;LIBBIND9_EXPORTS;%(PreprocessorDefinitions);%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>./;../../../;include;../include;../../isc/win32;../../isc/win32/include;../../isc/include;../../isccfg/include;../../dns/include;@LIBXML2_INC@@OPENSSL_INC@@GEOIP_INC@%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

lib/dns/win32/gen.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>.\;..\..\..\;..\..\isc\win32;..\..\isc\win32\include;..\..\isc\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
@@ -83,7 +84,8 @@ gen -s . &gt; code.h
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@BUILD_PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

lib/dns/win32/libdns.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>BIND9;WIN32;USE_MD5;@CRYPTO@@USE_GSSAPI@@USE_ISC_SPNEGO@_DEBUG;_WINDOWS;_USRDLL;LIBDNS_EXPORTS;%(PreprocessorDefinitions);%(PreprocessorDefinitions);%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>.\;..\..\..\;include;..\include;..\..\isc;..\..\isc\win32;..\..\isc\win32\include;..\..\isc\include;@LIBXML2_INC@@OPENSSL_INC@@GSSAPI_INC@@GEOIP_INC@%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

lib/irs/win32/libirs.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;USE_MD5;@CRYPTO@_DEBUG;_WINDOWS;_USRDLL;LIBIRS_EXPORTS;%(PreprocessorDefinitions);%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>.\;..\..\..\;include;..\include;..\..\isc\win32;..\..\isc\win32\include;..\..\isc\include;..\..\isccfg\include;..\..\dns\include;@LIBXML2_INC@@OPENSSL_INC@@GEOIP_INC@%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

lib/isc/win32/libisc.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
 @IF PKCS11
       <PreprocessorDefinitions>BIND9;@CRYPTO@@PK11_LIB_LOCATION@WIN32;_DEBUG;_WINDOWS;_USRDLL;LIBISC_EXPORTS;%(PreprocessorDefinitions);%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -145,7 +146,8 @@ copy InstallFiles ..\Build\Debug\
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

lib/isccc/win32/libisccc.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;USE_MD5;@CRYPTO@_DEBUG;_WINDOWS;_USRDLL;LIBISCCC_EXPORTS;%(PreprocessorDefinitions);%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>.\;..\..\..\;@LIBXML2_INC@@OPENSSL_INC@include;..\include;..\..\isc\win32;..\..\isc\win32\include;..\..\isc\include;..\..\dns\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

lib/isccfg/win32/libisccfg.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;USE_MD5;@CRYPTO@_DEBUG;_WINDOWS;_USRDLL;LIBISCCFG_EXPORTS;%(PreprocessorDefinitions);%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>.\;..\..\..\;include;..\include;..\..\isc\win32;..\..\isc\win32\include;..\..\isc\include;..\..\dns\include;@LIBXML2_INC@@GEOIP_INC@%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
@@ -78,7 +79,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

lib/lwres/win32/liblwres.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;USE_MD5;@CRYPTO@_DEBUG;_WINDOWS;_USRDLL;LIBLWRES_EXPORTS;%(PreprocessorDefinitions);%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>.\;..\..\lwres\win32\include;..\..\..\;include;..\include;..\..\isc\win32;..\..\isc\win32\include;..\..\isc\include;..\..\dns\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
@@ -77,7 +78,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

lib/samples/win32/async.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

lib/samples/win32/gai.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

lib/samples/win32/nsprobe.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

lib/samples/win32/request.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

lib/samples/win32/resolve.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

lib/samples/win32/update.vcxproj.in

@@ -54,7 +54,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -76,7 +77,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>

lib/win32/bindevt/bindevt.vcxproj.in

@@ -58,7 +58,8 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
+      <TreatWarningAsError>false</TreatWarningAsError>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;BINDEVT_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\include;..\..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
@@ -85,7 +86,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|@PLATFORM@'">
     <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level1</WarningLevel>
+      <TreatWarningAsError>true</TreatWarningAsError>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <Optimization>MaxSpeed</Optimization>