Add -package-name to driver

Author: elsh

Sources/SwiftDriver/Jobs/FrontendJobHelpers.swift

@@ -157,6 +157,7 @@ extension Driver {
     try commandLine.appendLast(.importUnderlyingModule, from: &parsedOptions)
     try commandLine.appendLast(.moduleCachePath, from: &parsedOptions)
     try commandLine.appendLast(.moduleLinkName, from: &parsedOptions)
+    try commandLine.appendLast(.packageName, from: &parsedOptions)
     try commandLine.appendLast(.nostdimport, from: &parsedOptions)
     try commandLine.appendLast(.parseStdlib, from: &parsedOptions)
     try commandLine.appendLast(.solverMemoryThreshold, from: &parsedOptions)

Sources/SwiftOptions/Options.swift

@@ -509,6 +509,7 @@ extension Option {
   public static let moduleName: Option = Option("-module-name", .separate, attributes: [.frontend, .moduleInterface], helpText: "Name of the module to build")
   public static let module: Option = Option("-module", .separate, attributes: [.noDriver], metaVar: "<name>", helpText: "Names of modules")
   public static let module_: Option = Option("--module", .separate, alias: Option.module, attributes: [.noDriver], metaVar: "<name>", helpText: "Names of modules")
+  public static let packageName: Option = Option("-package-name", .separate, attributes: [.frontend, .moduleInterface], helpText: "Name of the package containing to the main module")
   public static let newDriverPath: Option = Option("-new-driver-path", .separate, attributes: [.helpHidden, .frontend, .noDriver], metaVar: "<path>", helpText: "Path of the new driver to be used")
   public static let noClangModuleBreadcrumbs: Option = Option("-no-clang-module-breadcrumbs", .flag, attributes: [.helpHidden, .frontend, .noDriver], helpText: "Don't emit DWARF skeleton CUs for imported Clang modules. Use this when building a redistributable static archive.")
   public static let noColorDiagnostics: Option = Option("-no-color-diagnostics", .flag, attributes: [.frontend, .doesNotAffectIncrementalBuild], helpText: "Do not print diagnostics in color")
@@ -1275,6 +1276,7 @@ extension Option {
       Option.O,
       Option.o,
       Option.packageDescriptionVersion,
+      Option.packageName,
       Option.parseAsLibrary,
       Option.parseSil,
       Option.parseStdlib,