Unable to get fsc working in developer Linux/OSX setup #10614

Swoorup · 2020-12-04T13:48:53Z

Unable to get fsc working in linux/OSX setup

Repro steps

Provide the steps required to reproduce the problem:

Build the compiler using ./build.sh
Compile a sample script printfn "Hello World using

❯ dotnet ./bin/fsc/Debug/netcoreapp3.1/fsc.exe main.fs

Observe the error:

Microsoft (R) F# Compiler version 11.0.1.0 for F# 5.0
Copyright (c) Microsoft Corporation. All Rights Reserved.

error FS0082: Could not resolve this reference. Could not locate the assembly "System.Runtime.Remoting.dll". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. (Code=MSB3245)
error FS0082: Could not resolve this reference. Could not locate the assembly "System.Runtime.Serialization.Formatters.Soap.dll". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. (Code=MSB3245)
error FS0082: Could not resolve this reference. Could not locate the assembly "System.Web.Services.dll". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. (Code=MSB3245)
error FS0082: Could not resolve this reference. Could not locate the assembly "System.Windows.Forms.dll". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. (Code=MSB3245)

The fsi executable works without any issues however. I believe this is due to missing .net 472? But I can't find a workaround. Release build has the same issue

Expected behavior

Compiler built from source should be able to compile fs scripts

Actual behavior

Error as observed above.

Known workarounds

None

Related information

Provide any related information (optional):

.NET SDK (reflecting any global.json):
 Version:   5.0.100
 Commit:    5044b93829

Runtime Environment:
 OS Name:     Mac OS X
 OS Version:  10.15
 OS Platform: Darwin
 RID:         osx.10.15-x64
 Base Path:   /Users/swoorup.joshi/.dotnet/sdk/5.0.100/

Host (useful for support):
  Version: 5.0.0
  Commit:  cf258a14b7

.NET SDKs installed:
  2.1.517 [/Users/swoorup.joshi/.dotnet/sdk]
  2.2.104 [/Users/swoorup.joshi/.dotnet/sdk]
  3.1.301 [/Users/swoorup.joshi/.dotnet/sdk]
  3.1.302 [/Users/swoorup.joshi/.dotnet/sdk]
  3.1.402 [/Users/swoorup.joshi/.dotnet/sdk]
  3.1.403 [/Users/swoorup.joshi/.dotnet/sdk]
  3.1.404 [/Users/swoorup.joshi/.dotnet/sdk]
  5.0.100 [/Users/swoorup.joshi/.dotnet/sdk]

.NET runtimes installed:
  Microsoft.AspNetCore.All 2.1.21 [/Users/swoorup.joshi/.dotnet/shared/Microsoft.AspNetCore.All]
  Microsoft.AspNetCore.All 2.2.2 [/Users/swoorup.joshi/.dotnet/shared/Microsoft.AspNetCore.All]
  Microsoft.AspNetCore.App 2.1.21 [/Users/swoorup.joshi/.dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 2.2.2 [/Users/swoorup.joshi/.dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 3.1.5 [/Users/swoorup.joshi/.dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 3.1.6 [/Users/swoorup.joshi/.dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 3.1.8 [/Users/swoorup.joshi/.dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 3.1.9 [/Users/swoorup.joshi/.dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 3.1.10 [/Users/swoorup.joshi/.dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 5.0.0 [/Users/swoorup.joshi/.dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 2.1.21 [/Users/swoorup.joshi/.dotnet/shared/Microsoft.NETCore.App]
  Microsoft.NETCore.App 2.2.2 [/Users/swoorup.joshi/.dotnet/shared/Microsoft.NETCore.App]
  Microsoft.NETCore.App 3.1.5 [/Users/swoorup.joshi/.dotnet/shared/Microsoft.NETCore.App]
  Microsoft.NETCore.App 3.1.6 [/Users/swoorup.joshi/.dotnet/shared/Microsoft.NETCore.App]
  Microsoft.NETCore.App 3.1.8 [/Users/swoorup.joshi/.dotnet/shared/Microsoft.NETCore.App]
  Microsoft.NETCore.App 3.1.9 [/Users/swoorup.joshi/.dotnet/shared/Microsoft.NETCore.App]
  Microsoft.NETCore.App 3.1.10 [/Users/swoorup.joshi/.dotnet/shared/Microsoft.NETCore.App]
  Microsoft.NETCore.App 5.0.0 [/Users/swoorup.joshi/.dotnet/shared/Microsoft.NETCore.App]

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

cartermp · 2020-12-09T01:34:07Z

@KevinRansom this one looks odd. Any thoughts?

KevinRansom · 2020-12-11T17:13:36Z

@Swoorup,

I thought I'd answered this one, sorry about that. This behaviour is by design. The only reliable way to build a working coreclr app is by using the DotNET Sdk. the ```fsc program.fs```` build gesture doesn't work reliably. The reason for this is that computing the references and producing the correct runtime outputs are not built into the compiler. The compiler takes inut files and produces output files, adapting to different platforms is the work of the Sdk.

It would be fair to say that we take a pretty good crack at some of this work in fsi.exe, but we still rely on the sdk for doing most of that work.

On Linux the dotnet sdk has a way of locating the desktop binaries so wrap your build in an fsproj.

Swoorup · 2020-12-12T08:15:40Z

I thought I am already using dotnet by invoking dotnet as the program and then fsc binary as the first argument in dotnet ./bin/fsc/Debug/netcoreapp3.1/fsc.exe main.fs? What am I missing?

KevinRansom · 2020-12-13T22:24:53Z

@Swoorup you are missing about a million lines of msbuild and nuget code as well as the sdk props ,targets and proj files.

The command line for a simple hello, world processed by the dotnetsdk looks like, and this still won't produce runnable code it requires the build to have put the necessary dependencies and config files in the output directory.

Sure, I could probably go through and remove a ton of these lines and it would still compile, but they are all necessary to cover the main developer use case we build for. I think you'll find that C# has the exact same requirements.

         C:\Program Files\dotnet\dotnet.exe "C:\Program Files\dotnet\sdk\5.0.101\FSharp\fsc.exe" -o:obj\Debug\netcoreapp3.1\ConsoleApp5.dll
         -g
         --debug:portable
         --noframework
         --define:TRACE
         --define:DEBUG
         --define:NETCOREAPP
         --define:NETCOREAPP3_1
         --optimize-
         --tailcalls-
         -r:C:\Users\codec\.nuget\packages\fsharp.core\5.0.0\lib\netstandard2.0\FSharp.Core.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\Microsoft.CSharp.dll
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         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\Microsoft.VisualBasic.dll
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         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Text.Encoding.CodePages.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Text.Encoding.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Text.Encoding.Extensions.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Text.Encodings.Web.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Text.Json.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Text.RegularExpressions.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Threading.Channels.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Threading.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Threading.Overlapped.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Threading.Tasks.Dataflow.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Threading.Tasks.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Threading.Tasks.Extensions.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Threading.Tasks.Parallel.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Threading.Thread.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Threading.ThreadPool.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Threading.Timer.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Transactions.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Transactions.Local.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.ValueTuple.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Web.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Web.HttpUtility.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Windows.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Xml.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Xml.Linq.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Xml.ReaderWriter.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Xml.Serialization.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Xml.XDocument.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Xml.XmlDocument.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Xml.XmlSerializer.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Xml.XPath.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\System.Xml.XPath.XDocument.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\3.1.0\ref\netcoreapp3.1\WindowsBase.dll
         --target:exe
         --warn:3
         --warnaserror:3239,76
         --fullpaths
         --flaterrors
         --highentropyva+
         --targetprofile:netcore
         --nocopyfsharpcore
         --deterministic+
         --simpleresolution
         obj\Debug\netcoreapp3.1\.NETCoreApp,Version=v3.1.AssemblyAttributes.fs
         obj\Debug\netcoreapp3.1\ConsoleApp5.AssemblyInfo.fs
         Program.fs

Swoorup · 2020-12-16T07:43:02Z

Ouch, that would mean it's hard to test end to end changes to the compiler. Unless you decide to stick to just unit tests and fsi.

KevinRansom · 2020-12-16T18:27:02Z

@Swoorup, ahhahha now I'm going to let you in on my secret coreclr fsc debugging technique.

A community developer @enricosada added my favourite community contribution ever, way back in 2015 or 2016, just so you know it's still my favourite. The feature was response file file support.

So here is what I mostly do for debugging the coreclr F# compiler ... (Note! I expect us to do better with F5 debugging and so on in the future.)

make a dotnet sdk repro of the behaviour I want to debug
build the F# compiler in debug: build -c debug
build the repro project using dotnet build -v:normal -t:rebuild
In the output spew there is the contents of a response file
It's the section below corecompile it looks like:

         C:\Program Files\dotnet\dotnet.exe "C:\Program Files\dotnet\sdk\5.0.100\FSharp\fsc.exe" -o:obj\Debug\net5.0\repro.dll
         -g
         --debug:portable
         --noframework
         --define:TRACE
         --define:DEBUG
         --define:NET
         --define:NET5_0
         --define:NETCOREAPP
         --optimize-
         --tailcalls-
         -r:C:\Users\codec\.nuget\packages\fsharp.core\5.0.0\lib\netstandard2.0\FSharp.Core.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\5.0.0\ref\net5.0\Microsoft.CSharp.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\5.0.0\ref\net5.0\Microsoft.VisualBasic.Core.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\5.0.0\ref\net5.0\Microsoft.VisualBasic.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\5.0.0\ref\net5.0\Microsoft.Win32.Primitives.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\5.0.0\ref\net5.0\mscorlib.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\5.0.0\ref\net5.0\netstandard.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\5.0.0\ref\net5.0\System.AppContext.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\5.0.0\ref\net5.0\System.Buffers.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\5.0.0\ref\net5.0\System.Collections.Concurrent.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\5.0.0\ref\net5.0\System.Collections.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\5.0.0\ref\net5.0\System.Collections.Immutable.dll
.. a bunch of elided files
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\5.0.0\ref\net5.0\System.Xml.XDocument.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\5.0.0\ref\net5.0\System.Xml.XmlDocument.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\5.0.0\ref\net5.0\System.Xml.XmlSerializer.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\5.0.0\ref\net5.0\System.Xml.XPath.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\5.0.0\ref\net5.0\System.Xml.XPath.XDocument.dll
         -r:C:\Program Files\dotnet\packs\Microsoft.NETCore.App.Ref\5.0.0\ref\net5.0\WindowsBase.dll
         --target:exe
         --warn:3
         --warnaserror:3239,76
         --fullpaths
         --flaterrors
         --highentropyva+
         --targetprofile:netcore
         --nocopyfsharpcore
         --deterministic+
         --simpleresolution
         obj\Debug\net5.0\.NETCoreApp,Version=v5.0.AssemblyAttributes.fs
         obj\Debug\net5.0\repro.AssemblyInfo.fs
         Program.fs

remove the indentation whitespace and the compiler and the command line piece:

 C:\Program Files\dotnet\dotnet.exe "C:\Program Files\dotnet\sdk\5.0.100\FSharp\fsc.exe"

Save the responses to disk for example responsefile.rsp
Open Visual Studio
open c:\program files\dotnet.exe for debugging
set the working directory to the directory containing the repro project and the command line to:
The path to the debug build of fsc.exe or fsc.dll if it exists. (We are shortly changing it.) and @responsefile.rsp
Open source file and debug away ....

KevinRansom · 2020-12-16T18:37:33Z

Here is the response file from a default netsdk project:

responsefile.zip

The vs debugger settings:

KevinRansom · 2020-12-16T18:58:20Z

@Swoorup you could of course use linux debuggers with response files in just the same way.

cartermp · 2021-02-06T22:12:05Z

Keeping this in the backlog because we should generally have a decent contributor experience on linux machines.

cartermp · 2021-02-06T22:12:55Z

Whoops, wrong button

KevinRansom · 2021-07-21T18:25:21Z

Gonna close this now

cartermp added the Contributor Pain label Dec 9, 2020

cartermp added this to the Backlog milestone Feb 6, 2021

cartermp closed this as completed Feb 6, 2021

cartermp reopened this Feb 6, 2021

KevinRansom closed this as completed Jul 21, 2021

Triazic mentioned this issue Jul 4, 2023

Assembly reference '....dll' was not found or is invalid, times four #15550

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Unable to get fsc working in developer Linux/OSX setup #10614

Unable to get fsc working in developer Linux/OSX setup #10614

Swoorup commented Dec 4, 2020 •

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KevinRansom commented Jul 21, 2021

Unable to get fsc working in developer Linux/OSX setup #10614

Unable to get fsc working in developer Linux/OSX setup #10614

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Swoorup commented Dec 4, 2020 • edited

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KevinRansom commented Dec 13, 2020 • edited

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Swoorup commented Dec 4, 2020 •

edited

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