"error C2039: 'back_inserter': is not a member of 'std'" when building

[ahmedalnuaimi]

Brief description of your issue

Cannot build all the projects

Steps to reproduce

1- Clone the repo
2- Open the solution in Visual Studio
3- Build for Release/x64

Expected behavior

All the projects should be built.

Actual behavior

Compilation Errors:

Errors:
1>------ Build started: Project: AppInstallerCommonCore, Configuration: Release x64 ------
1>pch.cpp
1>D:\cpp\winget-cli\src\AppInstallerCommonCore\x64\Release\Generated Files\winrt\Windows.Foundation.Collections.h(1246,50): error C2039: 'back_inserter': is not a member of 'std'
1>D:\cpp\winget-cli\src\AppInstallerCommonCore\x64\Release\Generated Files\winrt\Windows.Foundation.Collections.h(692): message : see declaration of 'std'
1>D:\cpp\winget-cli\src\AppInstallerCommonCore\x64\Release\Generated Files\winrt\Windows.Foundation.Collections.h(1246,50): message : This diagnostic occurred in the compiler generated function 'void winrt::vector_base<D,T>::assign(InputIt,InputIt)'
1>D:\cpp\winget-cli\src\AppInstallerCommonCore\x64\Release\Generated Files\winrt\Windows.Foundation.Collections.h(1252): message : see reference to class template instantiation 'winrt::vector_base<D,T>' being compiled
1>D:\cpp\winget-cli\src\AppInstallerCommonCore\x64\Release\Generated Files\winrt\Windows.Foundation.Collections.h(2618,63): error C2039: 'back_inserter': is not a member of 'std'
1>D:\cpp\winget-cli\src\AppInstallerCommonCore\x64\Release\Generated Files\winrt\Windows.Foundation.Collections.h(692): message : see declaration of 'std'
1>D:\cpp\winget-cli\src\AppInstallerCommonCore\x64\Release\Generated Files\winrt\Windows.Foundation.Collections.h(2701): message : see reference to class template instantiation 'winrt::impl::convertible_observable_vector<T,Container>' being compiled
1>Done building project "AppInstallerCommonCore.vcxproj" -- FAILED.
2>------ Build started: Project: AppInstallerCLICore, Configuration: Release x64 ------
2>pch.cpp
2>D:\cpp\winget-cli\src\AppInstallerCLICore\x64\Release\Generated Files\winrt\Windows.Foundation.Collections.h(1246,50): error C2039: 'back_inserter': is not a member of 'std'
2>D:\cpp\winget-cli\src\AppInstallerCLICore\x64\Release\Generated Files\winrt\Windows.Foundation.Collections.h(692): message : see declaration of 'std'
2>D:\cpp\winget-cli\src\AppInstallerCLICore\x64\Release\Generated Files\winrt\Windows.Foundation.Collections.h(1246,50): message : This diagnostic occurred in the compiler generated function 'void winrt::vector_base<D,T>::assign(InputIt,InputIt)'
2>D:\cpp\winget-cli\src\AppInstallerCLICore\x64\Release\Generated Files\winrt\Windows.Foundation.Collections.h(1252): message : see reference to class template instantiation 'winrt::vector_base<D,T>' being compiled
2>D:\cpp\winget-cli\src\AppInstallerCLICore\x64\Release\Generated Files\winrt\Windows.Foundation.Collections.h(2618,63): error C2039: 'back_inserter': is not a member of 'std'
2>D:\cpp\winget-cli\src\AppInstallerCLICore\x64\Release\Generated Files\winrt\Windows.Foundation.Collections.h(692): message : see declaration of 'std'
2>D:\cpp\winget-cli\src\AppInstallerCLICore\x64\Release\Generated Files\winrt\Windows.Foundation.Collections.h(2701): message : see reference to class template instantiation 'winrt::impl::convertible_observable_vector<T,Container>' being compiled
2>Done building project "AppInstallerCLICore.vcxproj" -- FAILED.
3>------ Build started: Project: AppInstallerCLI, Configuration: Release x64 ------
3>LINK : fatal error LNK1181: cannot open input file 'D:\cpp\winget-cli\src\x64\Release\AppInstallerCommonCore\AppInstallerCommonCore.lib'
3>Done building project "AppInstallerCLI.vcxproj" -- FAILED.
4>------ Build started: Project: AppInstallerCLIPackage, Configuration: Release x64 ------
4>LINK : fatal error LNK1181: cannot open input file 'D:\cpp\winget-cli\src\x64\Release\AppInstallerCommonCore\AppInstallerCommonCore.lib'
4>Done building project "AppInstallerCLI.vcxproj" -- FAILED.
========== Build: 0 succeeded, 4 failed, 2 up-to-date, 0 skipped ==========
========== Deploy: 0 succeeded, 0 failed, 0 skipped ==========

Environment

Windows SDK: 10.0.18362.0
Visual Studio: Microsoft Visual Studio Enterprise 2019 Preview Version 16.7.0 Preview 1.0
Platform Toolset: Visual Studio 2019 (v142)
Windows Version: 2004 (19628.1)

[JohnMcPMS]

This is very odd, no idea why its happening. The only thing that comes to mind is updating our C++/WinRT reference.

[denelon]

@ahmedalnuaimi are you still having problems building this project?

[ahmedalnuaimi]

@ahmedalnuaimi are you still having problems building this project?

I've just tested the master branch with the latest Visual Studio 2019 Preview version and it worked!