"#include errors detected. Consider updating..." && "cannot open source file "initializer_list" | Unexpected Intellisense errors occuring on v1.22.11 in Unreal project #12940
Labels
bug
by design
Feature: Configuration
An issue related to configuring the extension or IntelliSense
Language Service
regression
A bug that didn't exist in a previous release
verified
Bug has been reproduced
Milestone
Comments
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@ChrisLFieldsII I'm seeing the C++ system include paths from clang++ being missing and only these. e.g. not /Library/Developer/CommandLineTools/SDKs/MacOSX14.4.sdk/usr/include/c++/v1 Can you confirm that 1.18.5 shows the additional c++ system includes in the Log Diagnostics output? Also, it sounds like you're saying the bug repros with 1.19.9 as well? With 1.22.11, with C_Cpp.loggingLevel set to "Debug" do you see any error messages related to quering clang++ in the "C++" logging pane? Can you provide the output of running ...but 1.19.9 was released in March and so far I've only seen 1 other Unreal Engine user report this issue with 1.19.4 in #12049 . |
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@sean-mcmanus I see that as well now, great eyes! I am attaching the Log Diagnostics from version I believe you are referring to I switched to this version and have the same issue reported in |
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@ChrisLFieldsII It looks like the bug is caused by -isysroot not being applied to the mac Framework. |
sean-mcmanus
added
bug
Language Service
regression
@sean-mcmanus I gotcha. That makes sense. I completely forgot to post the results of running the command you wanted me to. It did have an error Attaching a pic & text of the results in case that helps. |
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It's a regression from https://github.com/microsoft/vscode-cpptools/releases/tag/v1.19.3 (doesn't repro with 1.19.2) from internal PR 524107 -- but it sounds like it was a "by design" change such that the compilerArgs from the compile_commands.json are used instead of the compilerArgs from c_cpp_properties.json, so your @ChrisLFieldsII I'm guessing @ChrisLFieldsII Are you able to fix it such that -isystem is used in the compile_commands.json/.rsp files? i.e. maybe file a bug on Unreal? |
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@ChrisLFieldsII #11889 suggests we could add a new property to c_cpp_properties.json to get the <1.19.2 behavior -- would you be able set that new property or are the compilerPath/compilerArgs being generated/overwritten by the Unreal tools? We might also be able to add a C_Cpp. setting instead to configure the behavior. |
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@sean-mcmanus I see, #11889 does seem to indicate the issue which is the @sean-mcmanus I looked through #11889 and did not see the potential property you referenced so I was not able to try that Here is what the compileCommands_Default.json looked like which UE generated and causes the reported issueHere is what I updated compileCommands_Default.json to which resolved the reported issue on version 1.22.11 of the extension by ensuring each command passes the `-isysroot` flag
I could potentially file a bug against UE for the Here is the CharacterMovement.1.rsp for the record. It does not include the `-isysroot` |
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@ChrisLFieldsII Yeah, I think getting Unreal to add |
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@ChrisLFieldsII The We can look into filing a bug on Unreal Engine (or you could). They've fixed configuration generation issues for us in the past. Also, in case you didn't know, Visual Studio 2022 has a bunch of Unreal Engine specific features that aren't in VS Code so that is generally recommended for those projects: https://learn.microsoft.com/en-us/visualstudio/gamedev/unreal/get-started/vs-tools-unreal-overview, https://devblogs.microsoft.com/cppblog/unreal-engine-cpp-game-development-made-easy-visual-studio-2022/ |
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@sean-mcmanus Ok got it, that all makes sense to me including the fix being the Unreal generated That would be awesome if someone more educated with the extension filed the bug on Unreal Engine. I'm still fairly new to UE and C++ 😅 Sweet, I'll have to check out Visual Studio 2022 on my Windows machine. I didn't know about some of the extra features it has |
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@ChrisLFieldsII Sure, we've contacted the Unreal Engine team. |
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Environment
If using SSH remote, specify OS of remote machine:Bug Summary and Steps to Reproduce
Bug Summary:
Intellisense displays error on Unreal Engine 5 C++ files stating source files could not be opened.
This ticket is pretty much a copy of #12049 as those issues were never solved and closed since no information was provided. I would be happy to provide any help to get this resolved or open a ticket elsewhere if that is deemed appropriate.
Steps to reproduce:
Expected behavior:
These errors do not show when opening Unreal source code in VSC. Downgrading this extension to version 1.18.5 does not have this issue and is my current workaround.
Configuration and Logs
I attached these logs as files in the "additional context" section as they exceeded the character limit
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Additional context
language-server-logging.txt
c_cpp_properties.json
log-diagnostics.txt
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