Unreal Engine Issues

UE-137267

/std:c++17 key is hidden in generated .vcxproj after adding it to the BuildConfiguration.xml

/std:c++17 key is hidden in generated .vcxproj after adding it to the BuildConfiguration.xml

Description

As far as I can tell this is a regression.
After including C++17 in the build configuration it shouldn't be hidden in the .vcxproj?

Steps to Reproduce
  1. Create a new C++ project
  2. Specify use of C++17 in BuildConfiguration.xml 
    <?xml version="1.0" encoding="utf-8" ?>
<Configuration xmlns="https://www.unrealengine.com/BuildConfiguration">
<BuildConfiguration>
<CppStandard>Cpp17</CppStandard>
</BuildConfiguration>
</Configuration>
  3. Generate project files (right click on .uproject -> Generate Visual Studio project files

Expected Results:
Generated .vcxproj file should look this way:

<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Development_Editor|x64'">
...
<AdditionalOptions>/std:c++17</AdditionalOptions>
</PropertyGroup>
<ItemGroup>
<ClCompile Include="..\..\Source\RollingGame27\MyActor.cpp">
...
<AdditionalOptions>$(AdditionalOptions) /Yu"$(SolutionDir)Intermediate\Build\Win64\RollingGame27Editor\Development\Engine\SharedPCH.Engine.ShadowErrors.h"</AdditionalOptions>
</ClCompile>
</ItemGroup>

or

<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Development_Editor|x64'">
...
<AdditionalOptions>/std:c++17</AdditionalOptions>
</PropertyGroup>
<ItemGroup>
<ClCompile Include="..\..\Source\RollingGame27\MyActor.cpp">
...
<AdditionalOptions>/std:c++17 /Yu"$(SolutionDir)Intermediate\Build\Win64\RollingGame27Editor\Development\Engine\SharedPCH.Engine.ShadowErrors.h"</AdditionalOptions>
</ClCompile>
</ItemGroup>

Actual Results:
Generated .vcxproj file contains following code:

<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Development_Editor|x64'">
...
<AdditionalOptions>/std:c++17</AdditionalOptions>
</PropertyGroup>
<ItemGroup>
<ClCompile Include="..\..\Source\RollingGame27\MyActor.cpp">
...
<AdditionalOptions>/Yu"$(SolutionDir)Intermediate\Build\Win64\RollingGame27Editor\Development\Engine\SharedPCH.Engine.ShadowErrors.h"</AdditionalOptions>
</ClCompile>
</ItemGroup>
Community References

Request a info about UE-127172 bug tracker

What is UAID?

How does TextureRenderTarget2D get TArray<uint8> type data?

Why does the REMOVE method of map container remove elements have memory leaks?

How do I set a material as a post-processing material?

What is the cause of the packaging error falling back to 'GameUserSettings' in ue5?

Do I need to call Destory method to remove components from Actor when Destory method to remove Actor?

How to delete some elements correctly when deleting an array loop?

Where can I download the source address of the deployment cotum service associated with the PixelStream plugin?

What is the difference between Camera and CineCamera?

Have Comments or More Details?

There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-137267 in the post.

1
Login to Vote
Fixed
ComponentUE - Foundation - Cpp Tools
Affects Versions4.27
Target Fix5.0
Fix Commit18573913
Release Commit18573913
CreatedDec 10, 2021
ResolvedJan 13, 2022
UpdatedJan 26, 2023
View Jira Issue