Merge pull request #167 from xobs/add-basic-udev-option

Add `linux-native-basic-udev` feature

Author: ruabmbua

.github/workflows/rust.yml

@@ -89,6 +89,28 @@ jobs:
       - name: Verify package
         run: cargo package --no-default-features --features linux-native --verbose
 
+  build-linux-native-basic-udev:
+    runs-on: ubuntu-latest
+    env:
+      DEBIAN_FRONTEND: noninteractive
+    steps:
+      - name: Checkout repository and submodules
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      - name: Install dependencies
+        run: |
+          sudo apt-get update -y
+          sudo apt-get install -y libudev-dev
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+      - name: Build
+        run: cargo build --no-default-features --features linux-native-basic-udev --verbose
+      - name: Run tests
+        run: cargo test --no-default-features --features linux-native-basic-udev --verbose
+      - name: Verify package
+        run: cargo package --no-default-features --features linux-native-basic-udev --verbose
+
   build-windows:
     runs-on: windows-latest
     steps:
@@ -121,6 +143,22 @@ jobs:
       - name: Verify package
         run: cargo package --no-default-features --features windows-native --verbose
 
+  build-linux-on-windows:
+    runs-on: windows-latest
+    steps:
+      - name: Checkout repository and submodules
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+      - name: Install Linux target
+        run: rustup target add arm-unknown-linux-musleabihf
+      - name: Build
+        run: cargo build --target arm-unknown-linux-musleabihf --no-default-features --features linux-native-basic-udev --verbose
+      - name: Verify package
+        run: cargo package --target arm-unknown-linux-musleabihf --no-default-features --features linux-native-basic-udev --verbose
+
   build-macos:
     runs-on: macos-latest
     steps:

Cargo.toml

@@ -48,6 +48,7 @@ linux-static-hidraw = []
 linux-shared-libusb = []
 linux-shared-hidraw = []
 linux-native = ["dep:udev", "dep:nix"]
+linux-native-basic-udev = ["dep:basic-udev", "dep:nix"]
 illumos-static-libusb = []
 illumos-shared-libusb = []
 macos-shared-device = []
@@ -69,6 +70,7 @@ cfg-if = "1"
 
 [target.'cfg(target_os = "linux")'.dependencies]
 udev = { version = "0.8", optional = true }
+basic-udev = { version = "0.1", optional = true }
 nix = { version = "0.27", optional = true, features = ["fs", "ioctl", "poll"] }
 
 [target.'cfg(windows)'.dependencies]

build.rs

@@ -49,7 +49,7 @@ fn compile_linux() {
     // First check the features enabled for the crate.
     // Only one linux backend should be enabled at a time.
 
-    let avail_backends: [(&'static str, Box<dyn Fn()>); 5] = [
+    let avail_backends: [(&'static str, Box<dyn Fn()>); 6] = [
         (
             "LINUX_STATIC_HIDRAW",
             Box::new(|| {
@@ -106,6 +106,15 @@ fn compile_linux() {
                 // The udev crate takes care of finding its library
             }),
         ),
+        (
+            "LINUX_NATIVE_BASIC_UDEV",
+            Box::new(|| {
+                // Enable `feature="linux-native"` to reuse the existing
+                // linux-native code. It is considered an error in
+                // basic-udev if this fails to compile.
+                println!("cargo:rustc-cfg=feature=\"linux-native\"");
+            }),
+        ),
     ];
 
     let mut backends = avail_backends

src/linux_native.rs

@@ -2,6 +2,9 @@
 
 mod ioctl;
 
+#[cfg(feature = "linux-native-basic-udev")]
+use basic_udev as udev;
+
 use std::{
     cell::{Cell, Ref, RefCell},
     ffi::{CStr, CString, OsStr, OsString},