Add zig target

Signed-off-by: nojaf <[email protected]>

magefiles/build.go

@@ -3,11 +3,47 @@
 //nolint:wrapcheck
 package main
 
-import "github.com/magefile/mage/sh"
+import (
+	"errors"
+	"fmt"
+	"runtime"
+
+	"github.com/magefile/mage/sh"
+)
+
+const (
+	amd64 = "amd64"
+)
+
+var errUnknownTarget = errors.New("could not determine zig target")
+
+// Helper function to determine the Zig target triple based on OS and architecture.
+func getTargetTriple(goos, goarch string) (string, error) {
+	switch goos {
+	case "linux":
+		if goarch == amd64 {
+			return "x86_64-linux-gnu", nil
+		} else if goarch == "arm64" {
+			return "aarch64-linux-gnu", nil
+		}
+	case "darwin":
+		if goarch == amd64 {
+			return "x86_64-macos", nil
+		} else if goarch == "arm64" {
+			return "aarch64-macos", nil
+		}
+	case "windows":
+		if goarch == amd64 {
+			return "x86_64-windows-gnu", nil
+		}
+	}
+
+	return "", fmt.Errorf("%w: %s/%s", errUnknownTarget, goos, goarch)
+}
 
 // Build a Python wheel.
 func Build() error {
-	if err := sh.RunV("python3", "-mvenv", "foo"); err != nil {
+	if err := sh.RunV("python3", "-mvenv", "env"); err != nil {
 		return err
 	}
 
@@ -19,7 +55,21 @@ func Build() error {
 		return err
 	}
 
-	if err := sh.RunV("build"); err != nil {
+	// Set Zig as the C compiler for cross-compilation
+	targetTriple, err := getTargetTriple(runtime.GOOS, runtime.GOARCH)
+	if err != nil {
+		return err
+	}
+
+	zigCC := "zig cc -target " + targetTriple
+
+	if err := sh.RunWithV(
+		map[string]string{
+			"CC":     zigCC,
+			"GOOS":   runtime.GOOS,
+			"GOARCH": runtime.GOARCH,
+		},
+		"build"); err != nil {
 		return err
 	}