mono/Embeddinator-4000

objcgen does not support netcore assemblies by default

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#777 opened on Jun 30, 2020

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enhancementhelp wantedobjc

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Description

Steps to Reproduce

I've created vanilla netcore app with "hello world" class, built it with Visual Studio and trying to use objcgen from terminal:

~/.nuget/packages/embeddinator-4000/0.4.0/tools/objcgen net-embedding/bin/Debug/netcoreapp3.1/net-embedding.dll --out=out --platform=macOS-modern --abi=x86_64 --nativeexception --compile --debug --target=framework
Symbol file /Users/denis.lebedev/.nuget/packages/embeddinator-4000/0.4.0/tools/IKVM.Reflection.pdb doesn't match image /Users/denis.lebedev/.nuget/packages/embeddinator-4000/0.4.0/tools/IKVM.Reflection.dll
Parsing assemblies...
	Parsed 'net-embedding/bin/Release/netcoreapp3.1/net-embedding.dll'
Processing assemblies...
error EM0013: Can't find the assembly 'System.Runtime, Version=4.2.2.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a', referenced by 'net-embedding, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'.
Debug Log:
Processing: 1 assemblies
Processing Assembly: net-embedding

Expected Behavior

Framework is built

Actual Behavior

No framework

Environment

macos 10.15.5 Visual Studio 8.6.5 objcgen 0.4.0

Contributor guide

Research direction
Investigate how objcgen resolves assembly references, specifically for .NET Core (netcore) assemblies. The error indicates that the System.Runtime assembly is not found. Look into the IKVM.Reflection usage and ensure that the runtime assemblies from the .NET Core SDK are included in the search path. Consider adding a fallback to probe common .NET Core framework directories.
Tech stack
csharp
Domain
tooling
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitC#
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60