linux packaging (noop) + list platforms

cmd/package.go

@@ -87,12 +87,16 @@ func (b *PackageHelper) Package(po *ProjectOptions) error {
 	case "windows":
 		return b.PackageWindows(po, false)
 	case "linux":
-		return fmt.Errorf("linux is not supported at this time. Please see https://github.com/wailsapp/wails/issues/2")
+		return b.packageLinux(po)
 	default:
 		return fmt.Errorf("platform '%s' not supported for bundling yet", b.platform)
 	}
 }
 
+func (b *PackageHelper) packageLinux(po *ProjectOptions) error {
+	return nil
+}
+
 // Package the application for OSX
 func (b *PackageHelper) packageOSX(po *ProjectOptions) error {
 

cmd/wails/4_build.go

@@ -30,7 +30,13 @@ func init() {
 		BoolFlag("d", "Build in Debug mode", &debugMode).
 		BoolFlag("verbose", "Verbose output", &verbose).
 		StringFlag("t", "Generate Typescript definitions to given file (at runtime)", &typescriptFilename).
-		StringFlag("x", "Cross-compile application to specified platform via xgo", &platform)
+		StringFlag("x", `Cross-compile application to specified platform via xgo\n
+
+Supported platforms:
+ - darwin
+ - windows
+ - linux/arm
+`, &platform)
 
 	initCmd.Action(func() error {