Swift command line tool to make any .framework to .xcframework which works then in Apple Silicon M1 mac. The script is used with command "MakeXCFramework.swift myFramework.framework"

MakeXCFramework.swift

#!/usr/bin/env swift
import Foundation

func shell(_ command: String) -> String {
    print("Running command: \(command)")
    let task = Process()
    let pipe = Pipe()

    task.standardOutput = pipe
    task.standardError = pipe
    task.arguments = ["-c", command]
    task.launchPath = "/bin/zsh"
    task.launch()

    let data = pipe.fileHandleForReading.readDataToEndOfFile()
    let output = String(data: data, encoding: .utf8)!

    return output
}


extension String {
    func trim() -> String {
          return self.trimmingCharacters(in: CharacterSet.whitespacesAndNewlines)
    }
}

let frameworkName: String = CommandLine.arguments[1]
let frameworkBegin = frameworkName.components(separatedBy: ".").first!.trim()
print("Found framework \(frameworkName)")
let architectures = shell("lipo -i \(frameworkName)/\(frameworkBegin)")
print("Supported architectures \(architectures)")
let architecturesString: String = architectures.components(separatedBy: ":").last!.trim()
var architecturesArray = architecturesString.components(separatedBy: " ")
if architecturesArray.contains("armv7") {
    let oneArchName = "./\(frameworkName)/\(frameworkBegin)"
    _ = shell("lipo -remove armv7 \(oneArchName) -o \(oneArchName)")
    architecturesArray.remove(at: architecturesArray.firstIndex(of: "armv7")!)
}
if architecturesArray.contains("i386") {
    let oneArchName = "./\(frameworkName)/\(frameworkBegin)"
    _ = shell("lipo -remove i386 \(oneArchName) -o \(oneArchName)")
    architecturesArray.remove(at: architecturesArray.firstIndex(of: "i386")!)
}
var directoryNameArray: [String] = []
for arch in architecturesArray {
    let directoryName = "\(frameworkBegin)_\(arch)"
    directoryNameArray.append(directoryName)
    _ = shell("mkdir \(directoryName)")
    _ = shell("cp -R ./\(frameworkName) ./\(directoryName)")
    var removedArchs: [String] = architecturesArray
    if let index = removedArchs.firstIndex(of: arch){
        removedArchs.remove(at: index)
    }
    for removeArch in removedArchs {
        let oneArchName = "./\(directoryName)/\(frameworkName)/\(frameworkBegin)"
        _ = shell("lipo -remove \(removeArch) \(oneArchName) -o \(oneArchName)")

    }
}
let joinerString = "/\(frameworkName)/ -framework "
let buildResult = shell("xcodebuild -create-xcframework -framework \(directoryNameArray.joined(separator: joinerString))/\(frameworkName)/ -output \(frameworkBegin).xcframework")
print("Building completed: \(buildResult)")