From 6bb9361a5d32d0a5ad13af49ba472cfab24e14e7 Mon Sep 17 00:00:00 2001
From: Byron Hambly <byron@hambly.dev>
Date: Tue, 29 Jul 2025 13:53:39 +0200
Subject: [PATCH 1/2] ci: add aarch64-apple-darwin and cargo test

---
 .github/workflows/ci.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e5456431..604cfc5d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -54,7 +54,7 @@ jobs:
     strategy:
       matrix:
         rust: [stable, 1.65.0]
-        TARGET: [x86_64-apple-darwin]
+        TARGET: [x86_64-apple-darwin, aarch64-apple-darwin]
 
     steps:
       - uses: actions/checkout@v3
@@ -64,3 +64,4 @@ jobs:
           target: ${{ matrix.TARGET }}
 
       - run: cargo build --target=${{ matrix.TARGET }}
+      - run: cargo test --target=${{ matrix.TARGET }}

From 955b3856fa27d5c92fe89d9c2f988480bac873e5 Mon Sep 17 00:00:00 2001
From: Byron Hambly <bhambly@blockstream.com>
Date: Tue, 29 Jul 2025 15:06:45 +0200
Subject: [PATCH 2/2] doctest: add target_os gates to fix test compilation on
 macos

---
 src/lib.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 8757c317..692be8e8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -24,11 +24,13 @@
 //! use std::time::Duration;
 //!
 //! use i2cdev::core::*;
+//! #[cfg(any(target_os = "linux", target_os = "android"))]
 //! use i2cdev::linux::{LinuxI2CDevice, LinuxI2CError};
 //!
 //! const NUNCHUCK_SLAVE_ADDR: u16 = 0x52;
 //!
 //! // real code should probably not use unwrap()
+//! #[cfg(any(target_os = "linux", target_os = "android"))]
 //! fn i2cfun() -> Result<(), LinuxI2CError> {
 //!     let mut dev = LinuxI2CDevice::new("/dev/i2c-1", NUNCHUCK_SLAVE_ADDR)?;
 //!
@@ -52,10 +54,12 @@
 //! extern crate i2cdev;
 //!
 //! use i2cdev::core::*;
+//! #[cfg(any(target_os = "linux", target_os = "android"))]
 //! use i2cdev::linux::{LinuxI2CDevice, LinuxI2CError, LinuxI2CMessage};
 //!
 //! const SLAVE_ADDR: u16 = 0x57;
 //!
+//! #[cfg(any(target_os = "linux", target_os = "android"))]
 //! fn write_read_transaction() -> Result<(), LinuxI2CError> {
 //!     let mut dev = LinuxI2CDevice::new("/dev/i2c-1", SLAVE_ADDR)?;
 //!
@@ -76,10 +80,12 @@
 //! extern crate i2cdev;
 //!
 //! use i2cdev::core::*;
+//! #[cfg(any(target_os = "linux", target_os = "android"))]
 //! use i2cdev::linux::{LinuxI2CBus, LinuxI2CError, LinuxI2CMessage};
 //!
 //! const SLAVE_ADDR: u16 = 0x57;
 //!
+//! #[cfg(any(target_os = "linux", target_os = "android"))]
 //! fn write_read_transaction_using_bus() -> Result<(), LinuxI2CError> {
 //!     let mut dev = LinuxI2CBus::new("/dev/i2c-1")?;
 //!