Just enough changes to compile on M1

compiler/build/Cargo.toml

@@ -42,7 +42,7 @@ quickcheck = "0.8"
 quickcheck_macros = "0.8"
 
 [features]
-default = ["llvm", "target-webassembly"]
+default = ["llvm", "target-webassembly", "target-aarch64"]
 target-arm = []
 target-aarch64 = []
 target-webassembly = []

compiler/build/src/link.rs

@@ -36,7 +36,6 @@ pub fn link(
             ..
         } => link_linux(target, output_path, input_paths, link_type),
         Triple {
-            architecture: Architecture::X86_64,
             operating_system: OperatingSystem::Darwin,
             ..
         } => link_macos(target, output_path, input_paths, link_type),
@@ -724,10 +723,14 @@ fn link_macos(
         String::from("-lSystem")
     };
 
-    Ok((
+    let arch = match target.architecture {
+        Architecture::Aarch64(_) => "arm64".to_string(),
+        _ => target.architecture.to_string(),
+    };
+
+    let mut ld_child = Command::new("ld")
         // NOTE: order of arguments to `ld` matters here!
         // The `-l` flags should go after the `.o` arguments
-        Command::new("ld")
         // Don't allow LD_ env vars to affect this
         .env_clear()
         .args(&[
@@ -738,7 +741,7 @@ fn link_macos(
             // "--gc-sections",
             link_type_arg,
             "-arch",
-                target.architecture.to_string().as_str(),
+            &arch,
         ])
         .args(input_paths)
         .args(&[
@@ -757,9 +760,19 @@ fn link_macos(
             "-o",
             output_path.to_str().unwrap(), // app
         ])
-            .spawn()?,
-        output_path,
-    ))
+        .spawn()?;
+
+    match target.architecture {
+        Architecture::Aarch64(_) => {
+            ld_child.wait()?;
+            let child = Command::new("codesign")
+                .args(&["-s", "-", output_path.to_str().unwrap()])
+                .spawn()?;
+
+            Ok((child, output_path))
+        }
+        _ => Ok((ld_child, output_path)),
+    }
 }
 
 fn link_wasm32(

compiler/build/src/target.rs

@@ -31,6 +31,11 @@ pub fn target_triple_str(target: &Triple) -> &'static str {
             operating_system: OperatingSystem::Linux,
             ..
         } => "aarch64-unknown-linux-gnu",
+        Triple {
+            architecture: Architecture::Aarch64(_),
+            operating_system: OperatingSystem::Darwin,
+            ..
+        } => "aarch64-apple-darwin",
         Triple {
             architecture: Architecture::X86_64,
             operating_system: OperatingSystem::Darwin,