platform: Add boxdd

cmd/internal/build_boxdd/main.go

@@ -0,0 +1,115 @@
+package main
+
+import (
+	"flag"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"strings"
+
+	"github.com/sagernet/sing-box/cmd/internal/build_shared"
+	"github.com/sagernet/sing-box/log"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+var (
+	debugEnabled bool
+	outputPath   string
+	target       string
+)
+
+func init() {
+	flag.BoolVar(&debugEnabled, "debug", false, "enable debug")
+	flag.StringVar(&outputPath, "output", "", "output path")
+	flag.StringVar(&target, "target", runtime.GOOS+"/"+runtime.GOARCH, "target platform")
+}
+
+func main() {
+	flag.Parse()
+	err := build()
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func build() error {
+	targetParts := strings.Split(target, "/")
+	if len(targetParts) != 2 || targetParts[0] == "" || targetParts[1] == "" {
+		return E.New("invalid target: ", target)
+	}
+	operatingSystem := targetParts[0]
+	architecture := targetParts[1]
+	if outputPath == "" {
+		outputPath = "sing-box-daemon"
+		if operatingSystem == "windows" {
+			outputPath += ".exe"
+		}
+	}
+	absoluteOutputPath, err := filepath.Abs(outputPath)
+	if err != nil {
+		return E.Cause(err, "resolve output path")
+	}
+	err = os.MkdirAll(filepath.Dir(absoluteOutputPath), 0o755)
+	if err != nil {
+		return E.Cause(err, "create output directory")
+	}
+	version, err := build_shared.ReadTag()
+	if err != nil {
+		return E.Cause(err, "read version")
+	}
+	tags, err := buildTags(operatingSystem, architecture)
+	if err != nil {
+		return err
+	}
+	arguments := []string{
+		"build",
+		"-v",
+		"-trimpath",
+		"-buildvcs=false",
+		"-tags", strings.Join(tags, ","),
+		"-ldflags", build_shared.LinkerFlags(version, debugEnabled),
+		"-o", absoluteOutputPath,
+	}
+	if operatingSystem == "windows" && architecture == "386" {
+		arguments = append(arguments, "-gcflags=net=-l")
+	}
+	arguments = append(arguments, "./experimental/boxdd")
+	command := exec.Command("go", arguments...)
+	command.Env = append(os.Environ(),
+		"CGO_ENABLED=0",
+		"GOOS="+operatingSystem,
+		"GOARCH="+architecture,
+		"GOTOOLCHAIN=local",
+	)
+	command.Stdout = os.Stdout
+	command.Stderr = os.Stderr
+	err = command.Run()
+	if err != nil {
+		return E.Cause(err, "build sing-box daemon")
+	}
+	return nil
+}
+
+func buildTags(operatingSystem string, architecture string) ([]string, error) {
+	tagsFile := "release/DEFAULT_BUILD_TAGS"
+	if operatingSystem == "windows" {
+		if architecture == "386" {
+			tagsFile = "release/DEFAULT_BUILD_TAGS_OTHERS"
+		} else {
+			tagsFile = "release/DEFAULT_BUILD_TAGS_WINDOWS"
+		}
+	}
+	content, err := os.ReadFile(tagsFile)
+	if err != nil {
+		return nil, E.Cause(err, "read build tags")
+	}
+	tags := strings.Split(strings.TrimSpace(string(content)), ",")
+	if operatingSystem != "windows" {
+		tags = append(tags, "with_purego")
+	}
+	if debugEnabled {
+		tags = append(tags, "debug")
+	}
+	return tags, nil
+}