Comments (2)
That's a difficult feature to add. It also inhibits a lot of AOT optimizations since the compiler can no longer reason about the whole program.
Here's what I would do though:
- Place all your logic into a shared library. Expose
[UnmanagedCallersOnly]
entrypoints for the individualMain
s - Create shim programs that just p/invoke into the entrypoints
Sample:
Componen1.cs
class Component1
{
[System.Runtime.InteropServices.UnmanagedCallersOnly(EntryPoint = "Component1_Main")]
static void _Main() => System.Console.WriteLine("Hello from program1");
}
Componen2.cs
class Component2
{
[System.Runtime.InteropServices.UnmanagedCallersOnly(EntryPoint = "Component2_Main")]
static void _Main() => System.Console.WriteLine("Hello from program2");
}
Program1.cs
Component1_Main();
[System.Runtime.InteropServices.DllImport("SharedLib")]
static extern void Component1_Main();
Program2.cs
Component2_Main();
[System.Runtime.InteropServices.DllImport("SharedLib")]
static extern void Component2_Main();
Now build as:
bflat build Component1.cs Component2.cs -o:SharedLibrary.dll
bflat build --stdlib:zero Program1.cs -i:SharedLib --ldflags:SharedLibrary.lib
bflat build --stdlib:zero Program2.cs -i:SharedLib --ldflags:SharedLibrary.lib
The program itself only has a p/invoke and will be tiny (a couple kB). SharedLibrary.dll will have all the meat.
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That's a neat trick. Thanks!
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