Run tests on GitHub hosted arm64 Linux runner (PyO3#4865)

* Run tests on GitHub hosted arm64 Linux runner

* Upgrade bindgen to 0.69.4 in pyo3-ffi-check

Author: messense

.github/workflows/ci.yml

@@ -102,6 +102,11 @@ jobs:
               python-architecture: "x64",
               rust-target: "x86_64-unknown-linux-gnu",
             },
+            {
+              os: "ubuntu-22.04-arm",
+              python-architecture: "arm64",
+              rust-target: "aarch64-unknown-linux-gnu",
+            },
             {
               os: "ubuntu-latest",
               python-architecture: "x64",
@@ -193,6 +198,11 @@ jobs:
               python-architecture: "x64",
               rust-target: "x86_64-unknown-linux-gnu",
             },
+            {
+              os: "ubuntu-22.04-arm",
+              python-architecture: "arm64",
+              rust-target: "aarch64-unknown-linux-gnu",
+            },
             {
               os: "windows-latest",
               python-architecture: "x64",
@@ -348,6 +358,15 @@ jobs:
                 python-architecture: "x64",
                 rust-target: "x86_64-apple-darwin",
               }
+          # arm64 Linux runner is in public preview, so test 3.13 on it
+          - rust: stable
+            python-version: "3.13"
+            platform:
+              {
+                os: "ubuntu-22.04-arm",
+                python-architecture: "arm64",
+                rust-target: "aarch64-unknown-linux-gnu",
+              }
 
         exclude:
           # ubuntu-latest (24.04) no longer supports 3.7

pyo3-ffi-check/Cargo.toml

@@ -13,7 +13,7 @@ path = "../pyo3-ffi"
 features = ["extension-module"]  # A lazy way of skipping linking in most cases (as we don't use any runtime symbols)
 
 [build-dependencies]
-bindgen = "0.66.1"
+bindgen = "0.69.4"
 pyo3-build-config = { path = "../pyo3-build-config" }
 
 [workspace]

pyo3-ffi-check/build.rs

@@ -28,7 +28,7 @@ fn main() {
     let bindings = bindgen::Builder::default()
         .header("wrapper.h")
         .clang_args(clang_args)
-        .parse_callbacks(Box::new(bindgen::CargoCallbacks))
+        .parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
         // blocklist some values which apparently have conflicting definitions on unix
         .blocklist_item("FP_NORMAL")
         .blocklist_item("FP_SUBNORMAL")