Added basic support for arm64

src/config/arch.go

@@ -0,0 +1,9 @@
+package config
+
+type Arch uint8
+
+const (
+	UnknownArch Arch = iota
+	ARM
+	X86
+)

src/config/config.go

@@ -3,12 +3,12 @@ package config
 import "runtime"
 
 var (
-	ConstantFold   bool   // Calculates the result of operations on constants at compile time.
-	Dry            bool   // Skips writing the executable to disk.
-	ShowAssembly   bool   // Shows assembly instructions at the end.
-	ShowStatistics bool   // Shows statistics at the end.
-	TargetArch     string // Target architecture.
-	TargetOS       OS     // Target platform.
+	ConstantFold   bool // Calculates the result of operations on constants at compile time.
+	Dry            bool // Skips writing the executable to disk.
+	ShowAssembly   bool // Shows assembly instructions at the end.
+	ShowStatistics bool // Shows statistics at the end.
+	TargetArch     Arch // Target architecture.
+	TargetOS       OS   // Target platform.
 )
 
 // Reset resets the configuration to its default values.
@@ -16,7 +16,15 @@ func Reset() {
 	ShowAssembly = false
 	ShowStatistics = false
 	Dry = false
-	TargetArch = runtime.GOARCH
+
+	switch runtime.GOARCH {
+	case "amd64":
+		TargetArch = X86
+	case "arm":
+		TargetArch = ARM
+	default:
+		TargetArch = UnknownArch
+	}
 
 	switch runtime.GOOS {
 	case "linux":
@@ -26,7 +34,7 @@ func Reset() {
 	case "windows":
 		TargetOS = Windows
 	default:
-		TargetOS = Unknown
+		TargetOS = UnknownOS
 	}
 
 	Optimize(true)

src/config/os.go

@@ -3,7 +3,7 @@ package config
 type OS uint8
 
 const (
-	Unknown OS = iota
+	UnknownOS OS = iota
 	Linux
 	Mac
 	Windows