Undefined symbols for architecture arm64 Error, while using Native libraries in MAUI iOS #24536

v-npadhy · 2024-08-30T11:19:00Z

Description

We are working on MAUI.iOS migration project from Xamarin.iOS.

In Xamarin.iOS we have used few iOS Native libraries(.a files). The Xamarion.iOS project was working fine. But when we used those native libraries in MAUI.iOS project we are getting build errors.

IOS Version: 17.6.1

Device Type: Real Device
Visual Studio Enterprise 2022 for Mac.ini.txt

--cxx -gcc_flags "-lstdc++ -L $(MSBuildProjectDirectory)/lib/debug -lc++ -lz -lcrypto -lssl -lxml2 -lmat -lsqlite3 -lmip_dotnet -lmip_upe_and_protection_sdk_static -lresolv -framework CoreTelephony -framework Foundation -framework CoreFoundation -framework CoreServices -framework Security -framework IOKit -framework UIKit -framework SystemConfiguration -framework Network -force_load $(MSBuildProjectDirectory)/lib/debug/libcrypto.a -force_load $(MSBuildProjectDirectory)/lib/debug/libssl.a -force_load $(MSBuildProjectDirectory)/lib/debug/libmat.a -force_load $(MSBuildProjectDirectory)/lib/debug/libsqlite3.a -force_load $(MSBuildProjectDirectory)/lib/debug/libmip_dotnet.a -force_load $(MSBuildProjectDirectory)/lib/debug/libmip_upe_and_protection_sdk_static.a" --registrar:static --aot=nopagetrampolines,ntrampolines=40960,nrgctx-trampolines=40960,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4096,nimt-trampolines=4096 --optimize=-remove-dynamic-registrar ios-arm64 Static True Static True Static True Static True Static True Static True

Build Error:

/usr/local/share/dotnet/packs/Microsoft.iOS.Sdk.net8.0_17.5/17.5.8020/targets/Xamarin.Shared.Sdk.targets(3,3): Error: clang++ exited with code 1:

Undefined symbols for architecture arm64:

"_initGenericErrorDefaultFunc", referenced from:

  l002 in libmip_upe_and_protection_sdk_static.a(xml_helper.o)

"_nw_path_get_status", referenced from:

  ____ZN9Microsoft12Applications6Events19PlatformAbstraction18NetworkInformation14SetupNetDetectEv_block_invoke.11 in libmat.a(NetworkInformationImpl.mm.o)

"_nw_path_is_constrained", referenced from:

  ____ZN9Microsoft12Applications6Events19PlatformAbstraction18NetworkInformation14SetupNetDetectEv_block_invoke.11 in libmat.a(NetworkInformationImpl.mm.o)

"_nw_path_is_expensive", referenced from:

  ____ZN9Microsoft12Applications6Events19PlatformAbstraction18NetworkInformation14SetupNetDetectEv_block_invoke.11 in libmat.a(NetworkInformationImpl.mm.o)

"_nw_path_monitor_cancel", referenced from:

  Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::~NetworkInformation() in libmat.a(NetworkInformationImpl.mm.o)

  Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)

"_nw_path_monitor_create", referenced from:

  Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)

"_nw_path_monitor_set_queue", referenced from:

  Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)

"_nw_path_monitor_set_update_handler", referenced from:

  Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)

"_nw_path_monitor_start", referenced from:

  Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)

"_nw_path_uses_interface_type", referenced from:

  ____ZN9Microsoft12Applications6Events19PlatformAbstraction18NetworkInformation14SetupNetDetectEv_block_invoke.11 in libmat.a(NetworkInformationImpl.mm.o)

"_res_9_dn_expand", referenced from:

  mipns::DnsServerResolverImpl::lookup(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>> const&) in libmip_upe_and_protection_sdk_static.a(dns_server_resolver_impl_static.obj)

"_res_9_nclose", referenced from: (com.microsoft.rightsmanagement.mobile.viewer.ios)

Steps to Reproduce

No response

Link to public reproduction project repository

No response

Version with bug

8.0.82 SR8.2

Is this a regression from previous behavior?

Yes, this used to work in Xamarin.Forms

Last version that worked well

Unknown/Other

Affected platforms

iOS

Affected platform versions

iOS

Did you find any workaround?

No

Relevant log output

Build Error:

/usr/local/share/dotnet/packs/Microsoft.iOS.Sdk.net8.0_17.5/17.5.8020/targets/Xamarin.Shared.Sdk.targets(3,3): Error: clang++ exited with code 1:

Undefined symbols for architecture arm64:

  "_initGenericErrorDefaultFunc", referenced from:

      l002 in libmip_upe_and_protection_sdk_static.a(xml_helper.o)

  "_nw_path_get_status", referenced from:

      ____ZN9Microsoft12Applications6Events19PlatformAbstraction18NetworkInformation14SetupNetDetectEv_block_invoke.11 in libmat.a(NetworkInformationImpl.mm.o)

  "_nw_path_is_constrained", referenced from:

      ____ZN9Microsoft12Applications6Events19PlatformAbstraction18NetworkInformation14SetupNetDetectEv_block_invoke.11 in libmat.a(NetworkInformationImpl.mm.o)

  "_nw_path_is_expensive", referenced from:

      ____ZN9Microsoft12Applications6Events19PlatformAbstraction18NetworkInformation14SetupNetDetectEv_block_invoke.11 in libmat.a(NetworkInformationImpl.mm.o)

  "_nw_path_monitor_cancel", referenced from:

      Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::~NetworkInformation() in libmat.a(NetworkInformationImpl.mm.o)

      Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)

  "_nw_path_monitor_create", referenced from:

      Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)

  "_nw_path_monitor_set_queue", referenced from:

      Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)

  "_nw_path_monitor_set_update_handler", referenced from:

      Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)

  "_nw_path_monitor_start", referenced from:

      Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)

  "_nw_path_uses_interface_type", referenced from:

      ____ZN9Microsoft12Applications6Events19PlatformAbstraction18NetworkInformation14SetupNetDetectEv_block_invoke.11 in libmat.a(NetworkInformationImpl.mm.o)

  "_res_9_dn_expand", referenced from:

      mipns::DnsServerResolverImpl::lookup(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>> const&) in libmip_upe_and_protection_sdk_static.a(dns_server_resolver_impl_static.obj)

  "_res_9_nclose", referenced from: (com.microsoft.rightsmanagement.mobile.viewer.ios)

The text was updated successfully, but these errors were encountered:

github-actions · 2024-08-30T11:19:27Z

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rolfbjarne · 2024-09-02T10:20:23Z

Are you building for device or for the simulator? If you're building for the simulator, I suspect you're running into the fact that we're building for arm64 for the simulator, and your .a files probably don't contain arm64 code for the simulator.

There are a couple of potential fixes:

Don't build for arm64 in the simulator. You can do this by adding <RuntimeIdentifier>iossimulator-x64</RuntimeIdentifier> in the csproj. Note that you'll have to add a condition/configuration to only run this when you target the simulator, otherwise it will interfere when trying to run on a device.
Rebuild the native library and create an xcframework bundle that supports all architectures, including arm64 for the simulator. Here's Apple's documentation about how to create an xcframework: https://developer.apple.com/documentation/xcode/creating-a-multi-platform-binary-framework-bundle: https://developer.apple.com/documentation/xcode/creating-a-multi-platform-binary-framework-bundle (there are also numerous other guides online).

If you're seeing this problem when building for device, then please attach an MSBuild binlog so that we can see exactly what's going on during the build.

v-npadhy · 2024-09-02T17:15:57Z

Are you building for device or for the simulator? If you're building for the simulator, I suspect you're running into the fact that we're building for arm64 for the simulator, and your .a files probably don't contain arm64 code for the simulator.

There are a couple of potential fixes:

Don't build for arm64 in the simulator. You can do this by adding <RuntimeIdentifier>iossimulator-x64</RuntimeIdentifier> in the csproj. Note that you'll have to add a condition/configuration to only run this when you target the simulator, otherwise it will interfere when trying to run on a device.

Rebuild the native library and create an xcframework bundle that supports all architectures, including arm64 for the simulator. Here's Apple's documentation about how to create an xcframework: https://developer.apple.com/documentation/xcode/creating-a-multi-platform-binary-framework-bundle: https://developer.apple.com/documentation/xcode/creating-a-multi-platform-binary-framework-bundle (there are also numerous other guides online).

If you're seeing this problem when building for device, then please attach an MSBuild binlog so that we can see exactly what's going on during the build.

@rolfbjarne

I am building on real device only not simulator.
The same native libraries are working fine in Xamarin in both device and simulator. So obviously arm64, x64 architectures will be there.

Its not something we are using the native libraries for this first time. Its a migration work, migrating code base from Xamarin to MAUI.

What other possibilities could be there,so that I can investigate in details.

rolfbjarne · 2024-09-02T17:42:26Z

2. The same native libraries are working fine in Xamarin in both device and simulator. So obviously arm64, x64 architectures will be there.

Note that arm64 for the simulator and arm64 for device are not the same and they're not interchangeable. Additionally, it's not possible to create a .a archive with both versions of arm64 (which is why Apple created the xcframework format).

FWIW Xamarin didn't support arm64 in the simulator, so this was never a problem there - while it's the default build architecture when building for the simulator with .NET on an arm64 CPU.

What other possibilities could be there,so that I can investigate in details.

It's hard to say without investigating the errors.

You can start investigating by looking at the first symbol the build complains about:

Undefined symbols for architecture arm64:

"_initGenericErrorDefaultFunc", referenced from:

  l002 in libmip_upe_and_protection_sdk_static.a(xml_helper.o)

and try to find the answer to a few questions:

Where is this symbol defined?
If you can't find out where it's defined, then the next question becomes: how did this work in the Xamarin version?
If you can find it, the next question is: why isn't the corresponding native library included in the build?

You can inspect native libraries from the command line using the nm tool, typically nm libNative.a | grep <symbol> will tell you if the native library references or provides said symbol.

v-npadhy · 2024-09-05T16:59:10Z

@rolfbjarne We found the root cause of the issue. But didn't found the solution.

For system Frameworks in Xamarin.IOS we have used MTouchExtraArgs, and it was working fine. But same MTouchExtraArgs is not working in MAUI.iOS. All the system frameworks are already defined in MtouchExtraArgs which are causing undefined symbol error in MAUI.

We are using MAUI iOS with .NET 8.

<MtouchExtraArgs>--cxx -gcc_flags "-lstdc++ -L $(MSBuildProjectDirectory)/lib/debug -lc++ -lz -lcrypto -lssl -lxml2 -lmat -lsqlite3 -lmip_dotnet -lmip_upe_and_protection_sdk_static -lresolv -framework CoreTelephony -framework Foundation -framework CoreFoundation -framework CoreServices -framework Security -framework IOKit -framework UIKit -framework SystemConfiguration -framework Network -force_load $(MSBuildProjectDirectory)/lib/debug/libcrypto.a -force_load $(MSBuildProjectDirectory)/lib/debug/libssl.a -force_load $(MSBuildProjectDirectory)/lib/debug/libmat.a -force_load $(MSBuildProjectDirectory)/lib/debug/libsqlite3.a -force_load $(MSBuildProjectDirectory)/lib/debug/libmip_dotnet.a -force_load $(MSBuildProjectDirectory)/lib/debug/libmip_upe_and_protection_sdk_static.a" --registrar:static --aot=nopagetrampolines,ntrampolines=40960,nrgctx-trampolines=40960,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4096,nimt-trampolines=4096 --optimize=-remove-dynamic-registrar</MtouchExtraArgs>

rolfbjarne · 2024-09-05T17:06:54Z

Can you provide an MSBuild binlog that shows the error?

v-npadhy · 2024-09-06T12:09:32Z

Please check the attached binlog. binlog extension is not a valid extension as an attachment. Just download the file and change the extension as binlog.
msbuild.txt

rolfbjarne · 2024-09-06T16:10:37Z

You're building for the simulator (RuntimeIdentifier=iossimulator-ar64), and the problem is exactly as I explained in my previous comment.

v-npadhy · 2024-09-09T11:23:21Z

Hi @rolfbjarne, I am building in device only. For your reference I have capture a screen recording and new msbuild binlog file.

Linker Flags passing in MtouchExtraArgs:
--cxx -gcc_flags "-lstdc++ -L $(MSBuildProjectDirectory)/lib/debug -lc++ -lz -lcrypto -lssl -lxml2 -lmat -lsqlite3 -lmip_dotnet -lmip_upe_and_protection_sdk_static -lresolv -framework CoreTelephony -framework Foundation -framework CoreFoundation -framework CoreServices -framework Security -framework IOKit -framework UIKit -framework SystemConfiguration -framework Network -force_load $(MSBuildProjectDirectory)/lib/debug/libcrypto.a -force_load $(MSBuildProjectDirectory)/lib/debug/libssl.a -force_load $(MSBuildProjectDirectory)/lib/debug/libmat.a -force_load $(MSBuildProjectDirectory)/lib/debug/libsqlite3.a -force_load $(MSBuildProjectDirectory)/lib/debug/libmip_dotnet.a -force_load $(MSBuildProjectDirectory)/lib/debug/libmip_upe_and_protection_sdk_static.a" --registrar:static --aot=nopagetrampolines,ntrampolines=40960,nrgctx-trampolines=40960,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4096,nimt-trampolines=4096 --optimize=-remove-dynamic-registrar

The below reference error are causing due to unavailability of system framework -framework Network, but we are passing -framework Network in MtouchExtraArgs. What ever system frameworks we are passing in MtouchExtraArgs, is not considering by MAUI. But it was working fine in Xamarin.

msbuild.txt

Screen+Recording+2024-09-09+at+3.mp4

Build Error:

/usr/local/share/dotnet/packs/Microsoft.iOS.Sdk.net8.0_17.5/17.5.8020/targets/Xamarin.Shared.Sdk.targets(3,3): Error: clang++ exited with code 1:
Undefined symbols for architecture arm64:
"_nw_path_get_status", referenced from:
____ZN9Microsoft12Applications6Events19PlatformAbstraction18NetworkInformation14SetupNetDetectEv_block_invoke.11 in libmat.a(NetworkInformationImpl.mm.o)
"_nw_path_is_constrained", referenced from:
____ZN9Microsoft12Applications6Events19PlatformAbstraction18NetworkInformation14SetupNetDetectEv_block_invoke.11 in libmat.a(NetworkInformationImpl.mm.o)
"_nw_path_is_expensive", referenced from:
____ZN9Microsoft12Applications6Events19PlatformAbstraction18NetworkInformation14SetupNetDetectEv_block_invoke.11 in libmat.a(NetworkInformationImpl.mm.o)
"_nw_path_monitor_cancel", referenced from:
Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::~NetworkInformation() in libmat.a(NetworkInformationImpl.mm.o)
Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)
"_nw_path_monitor_create", referenced from:
Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)
"_nw_path_monitor_set_queue", referenced from:
Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)
"_nw_path_monitor_set_update_handler", referenced from:
Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)
"_nw_path_monitor_start", referenced from:
Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)
"_nw_path_uses_interface_type", referenced from:
____ZN9Microsoft12Applications6Events19PlatformAbstraction18NetworkInformation14SetupNetDetectEv_block_invoke.11 in libmat.a(NetworkInformationImpl.mm.o)
"_res_9_dn_expand", referenced from:
mipns::DnsServerResolverImpl::lookup(std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator> const&) in libmip_upe_and_protection_sdk_static.a(dns_server_resolver_impl_static.obj)
"_res_9_nclose", referenced from:
mipns::DnsServerResolverImpl::lookup(std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator> const&) in libmip_upe_and_protection_sdk_static.a(dns_server_resolver_impl_static.obj)
"_res_9_ninit", referenced from: (com.microsoft.rightsmanagement.mobile.viewer.ios)

rolfbjarne · 2024-09-09T11:37:02Z

That build is still for the simulator, even though you've selected a device.

I think the problem is here in your csproj:

<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Develop|iPhone' ">

The Platform property isn't used nor set in iOS .NET projects, so it ends up being the default ("AnyCPU"), and the configuration you think is being used, actually isn't.

I believe it'll work if you change the condition to:

<PropertyGroup Condition=" '$(Configuration)' == 'Develop' ">

Can you try that and see if anything changes?

v-npadhy · 2024-09-10T11:18:29Z

@rolfbjarne Still getting same error
Build Configuration:

<PropertyGroup Condition=" '$(Configuration)' == 'Develop' ">
		<DebugSymbols>true</DebugSymbols>
		<DebugType>full</DebugType>
		<Optimize>false</Optimize>
		<OutputPath>bin\iPhone\Develop</OutputPath>
		<DefineConstants>__UNIFIED__;__MOBILE__;__IOS__;DEBUG;__DEVELOP__</DefineConstants>
		<ErrorReport>prompt</ErrorReport>
		<WarningLevel>4</WarningLevel>
		<ConsolePause>false</ConsolePause>
		<MtouchOptimizePNGs>True</MtouchOptimizePNGs>
		<RuntimeIdentifier>ios-arm64</RuntimeIdentifier>
		<MtouchI18n>cjk,mideast,other,rare,west</MtouchI18n>
		<CodesignKey>iPhone Developer</CodesignKey>
		<MtouchDebug>true</MtouchDebug>
		<MtouchExtraArgs>--cxx -gcc_flags "-lstdc++ -L $(MSBuildProjectDirectory)/lib/debug -lc++ -lz -lcrypto -lssl -lxml2 -lmat -lsqlite3 -lmip_dotnet -lmip_upe_and_protection_sdk_static -lresolv -framework CoreTelephony -framework Foundation -framework CoreFoundation -framework CoreServices -framework Security -framework IOKit -framework UIKit -framework SystemConfiguration -framework Network -force_load $(MSBuildProjectDirectory)/lib/debug/libcrypto.a -force_load $(MSBuildProjectDirectory)/lib/debug/libssl.a -force_load $(MSBuildProjectDirectory)/lib/debug/libmat.a -force_load $(MSBuildProjectDirectory)/lib/debug/libsqlite3.a -force_load $(MSBuildProjectDirectory)/lib/debug/libmip_dotnet.a -force_load $(MSBuildProjectDirectory)/lib/debug/libmip_upe_and_protection_sdk_static.a" --registrar:static --aot=nopagetrampolines,ntrampolines=40960,nrgctx-trampolines=40960,nrgctx-fetch-trampolines=256,ngsharedvt-trampolines=4096,nimt-trampolines=4096 --optimize=-remove-dynamic-registrar</MtouchExtraArgs>
		<_BundlerArguments Condition="'$(_PlatformName)' != 'macOS'">$(MtouchExtraArgs)</_BundlerArguments>
		<MtouchEnableBitcode>false</MtouchEnableBitcode>
		<MtouchHttpClientHandler>NSUrlSessionHandler</MtouchHttpClientHandler>
		<IpaPackageName>
		</IpaPackageName>
		<CodesignEntitlements>Entitlements.plist</CodesignEntitlements>
		<_AppManifest>Info.plist</_AppManifest>
		<CodesignProvision>
		</CodesignProvision>
		<BuildIpa>false</BuildIpa>
		<MtouchNoSymbolStrip>true</MtouchNoSymbolStrip>
		<MtouchLink>SdkOnly</MtouchLink>
		<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
		<MtouchInterpreter>-all</MtouchInterpreter>
		<CreatePackage>false</CreatePackage>
	</PropertyGroup>

All reference errors are causing due to ios system network framework (https://developer.apple.com/documentation/network). In Xamarin we were reffering system frameworks MtouchExtraArgs as linker flag. And this is not working in MAUI. Could you please tell how to pass ios system frameworks in MAUI?

Build Error:
/usr/local/share/dotnet/packs/Microsoft.iOS.Sdk.net8.0_17.5/17.5.8020/targets/Xamarin.Shared.Sdk.targets(3,3): Error: clang++ exited with code 1:
Undefined symbols for architecture arm64:
"_nw_path_get_status", referenced from:
____ZN9Microsoft12Applications6Events19PlatformAbstraction18NetworkInformation14SetupNetDetectEv_block_invoke.11 in libmat.a(NetworkInformationImpl.mm.o)
"_nw_path_is_constrained", referenced from:
____ZN9Microsoft12Applications6Events19PlatformAbstraction18NetworkInformation14SetupNetDetectEv_block_invoke.11 in libmat.a(NetworkInformationImpl.mm.o)
"_nw_path_is_expensive", referenced from:
____ZN9Microsoft12Applications6Events19PlatformAbstraction18NetworkInformation14SetupNetDetectEv_block_invoke.11 in libmat.a(NetworkInformationImpl.mm.o)
"_nw_path_monitor_cancel", referenced from:
Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::~NetworkInformation() in libmat.a(NetworkInformationImpl.mm.o)
Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)
"_nw_path_monitor_create", referenced from:
Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)
"_nw_path_monitor_set_queue", referenced from:
Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)
"_nw_path_monitor_set_update_handler", referenced from:
Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)
"_nw_path_monitor_start", referenced from:
Microsoft::Applications::Events::PlatformAbstraction::NetworkInformation::SetupNetDetect() in libmat.a(NetworkInformationImpl.mm.o)
"_nw_path_uses_interface_type", referenced from:
____ZN9Microsoft12Applications6Events19PlatformAbstraction18NetworkInformation14SetupNetDetectEv_block_invoke.11 in libmat.a(NetworkInformationImpl.mm.o)
"_res_9_dn_expand", referenced from:
mipns::DnsServerResolverImpl::lookup(std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator> const&) in libmip_upe_and_protection_sdk_static.a(dns_server_resolver_impl_static.obj)
"_res_9_nclose", referenced from:
mipns::DnsServerResolverImpl::lookup(std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator> const&) in libmip_upe_and_protection_sdk_static.a(dns_server_resolver_impl_static.obj)
"_res_9_ninit", referenced from: (com.microsoft.rightsmanagement.mobile.viewer.ios)

rolfbjarne · 2024-09-10T11:34:12Z

Could you get an updated binlog?

v-npadhy · 2024-09-10T12:08:05Z

Updated binlog
msbuild.txt

v-npadhy · 2024-09-11T15:16:58Z

@rolfbjarne Please let me know if you need any more information to troubleshoot this native framework reference issue in MAUI for iOS.

rolfbjarne · 2024-09-11T15:46:01Z

That's still a simulator build (the "Configuration" property is "Debug", not "Develop")

v-npadhy · 2024-09-12T13:14:17Z

@rolfbjarne, The issue was in the build configuration. After fixing the build configuration issue, code is building and running without any issues.

v-npadhy added the t/bug Something isn't working label Aug 30, 2024

samhouts added platform/iOS 🍎 migration-compatibility Xamarin.Forms to .NET MAUI Migration, Upgrade Assistant, Try-Convert partner/macios Issues for the Mac / iOS SDK labels Aug 30, 2024

v-npadhy closed this as completed Sep 12, 2024

github-actions bot mentioned this issue Sep 16, 2024

Strange behaviour after migrating MonoAndroid/Xamarin.iOS project to .net-android/.net-ios dotnet/android#9313

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Undefined symbols for architecture arm64 Error, while using Native libraries in MAUI iOS #24536

Undefined symbols for architecture arm64 Error, while using Native libraries in MAUI iOS #24536

v-npadhy commented Aug 30, 2024 •

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Undefined symbols for architecture arm64 Error, while using Native libraries in MAUI iOS #24536

Undefined symbols for architecture arm64 Error, while using Native libraries in MAUI iOS #24536

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v-npadhy commented Aug 30, 2024 • edited Loading

Description

Steps to Reproduce

Link to public reproduction project repository

Version with bug

Is this a regression from previous behavior?

Last version that worked well

Affected platforms

Affected platform versions

Did you find any workaround?

Relevant log output

github-actions bot commented Aug 30, 2024

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