consilidate builds to use C/C++ 17 for all projects

Author: chcg

NppPlugin/project/NppPlugin.vcxproj

@@ -116,6 +116,8 @@
       <WarningLevel>Level4</WarningLevel>
       <DebugInformationFormat>EditAndContinue</DebugInformationFormat>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
@@ -129,6 +131,8 @@
       <WarningLevel>Level4</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='PythonDebug|Win32'">
@@ -142,6 +146,8 @@
       <WarningLevel>Level4</WarningLevel>
       <DebugInformationFormat>EditAndContinue</DebugInformationFormat>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='PythonDebug|x64'">
@@ -155,6 +161,8 @@
       <WarningLevel>Level4</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -166,6 +174,8 @@
       <WarningLevel>Level3</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
@@ -177,6 +187,8 @@
       <WarningLevel>Level3</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemGroup>

PythonScript.Tests/gtest.proj/gtest.vcxproj

@@ -122,6 +122,8 @@
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <MinimalRebuild>false</MinimalRebuild>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -139,6 +141,8 @@
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <MinimalRebuild>false</MinimalRebuild>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -156,6 +160,8 @@
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <MinimalRebuild>false</MinimalRebuild>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -173,6 +179,8 @@
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <MinimalRebuild>false</MinimalRebuild>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -191,6 +199,8 @@
       <AdditionalIncludeDirectories>..\gtest\googletest;..\gtest\googletest\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -211,6 +221,8 @@
       <AdditionalIncludeDirectories>..\gtest\googletest;..\gtest\googletest\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard_C>stdc17</LanguageStandard_C>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>