netcoreapp3.1 project with CMake

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Hello everyone !

I’m creating this post today because I’m wondering how to generate a netcoreapp3.1 project with CMake. I have seen some examples online (for net framework 4.7.2) mentionning this

set(CMAKE_DOTNET_TARGET_FRAMEWORK_VERSION “v4.7.2”)

I tried to change it to

set(CMAKE_DOTNET_TARGET_FRAMEWORK “netcoreapp3.1”)
but it did not work. The TargetFramework does not appear on my csproj file and when I compile, it complains that some packages I am using are not compatible with net40 and that they’re supporting net45, netcoreapp2.1, netcoreapp3.1 and netstandard2.0.

Also I used this link for reference but I haven’t been successful
https://gitlab.kitware.com/cmake/cmake/-/merge_requests/4240/diffs
Because the CMake file is pretty small, I’m giving the full file as a comment here

Could someone help me to figure out what I’d need ?

Thanks in advance !!

2

Here is the full CMake file (I have only one, it’s a very small project)

cmake_minimum_required(VERSION 3.17)

project(AutoMaxLairUI LANGUAGES CSharp)

# Include CMake utilities for CSharp, for WinForm and WPF application support.
include(CSharpUtilities)

# Define the executable, including any .cs files.
add_executable(AutoMaxLairUI
    Form1.cs
    Form1.Designer.cs
    Form1.resx
    Program.cs
    README.txt
)

# Set the .NET Framework version for the executable.
# set_property(TARGET AutoMaxLairUI PROPERTY DOTNET_TARGET_FRAMEWORK_VERSION "v4.7.2")
# set_property(TARGET AutoMaxLairUI PROPERTY DOTNET_TARGET_FRAMEWORK "netcoreapp3.1")
# set(CMAKE_DOTNET_TARGET_FRAMEWORK_VERSION  "v4.7.2")
set(CMAKE_DOTNET_TARGET_FRAMEWORK "netcoreapp3.1")

# Set the executable to be 32-bit.
set_property(TARGET AutoMaxLairUI PROPERTY WIN32_EXECUTABLE TRUE)

# Set the C# language version (defaults to 3.0).
set(CMAKE_CSharp_FLAGS "/langversion:latest")

# Set the source file properties for Windows Forms use.
csharp_set_windows_forms_properties(
    Form1.cs
    Form1.Designer.cs
    Form1.resx
    Program.cs
)

# Add in the .NET reference libraries.
set_property(TARGET AutoMaxLairUI PROPERTY VS_DOTNET_REFERENCES
    "Microsoft.CSharp"
    "System"
    "System.Core"
    "System.Data"
    "System.Drawing"
    "System.Windows.Forms"
)

set_property(TARGET AutoMaxLairUI PROPERTY VS_PACKAGE_REFERENCES
    "AForge.Video_2.2.5"
	"AForge.Video.DirectShow_2.2.5"
	"IronPython_2.7.11"
	"Tommy_2.0.0"
)