Add cross configuration

.github/workflows/code_validation.yml

@@ -102,11 +102,11 @@ jobs:
         id: cache_setup_step
         uses: Swatinem/rust-cache@v2
       - name: ↕️ Install Ubuntu Dependencies Step
-        id: dependencies_install_step
-        if: ${{ matrix.cicd_runner == 'ubuntu-latest' }}
+        id: ubuntu_dependencies_install_step
+        if: ${{ matrix.cicd_runner == 'ubuntu-latest' && command_base == 'cargo' }}
         uses: awalsh128/cache-apt-pkgs-action@latest
         with:
-          packages: libssl-dev openssl libgtk-4-dev
+          packages: build-essential libssl-dev libgtk-4-dev
           version: 1.0
       - name: 📑 Fmt Step
         id: fmt_step

Cross.toml

@@ -0,0 +1,6 @@
+[workspace.metadata.cross.target.aarch64-unknown-linux-gnu]
+# Install libssl-dev:arm64, see <https://github.com/cross-rs/cross/blob/main/docs/custom_images.md#adding-dependencies-to-existing-images>
+pre-build = [
+    "dpkg --add-architecture $CROSS_DEB_ARCH", 
+    "apt-get update && apt-get --assume-yes install build-essential:$CROSS_DEB_ARCH libssl-dev:$CROSS_DEB_ARCH libgtk-4-dev:$CROSS_DEB_ARCH" 
+]

paxy-gui/Cargo.toml

@@ -35,6 +35,7 @@ owo-colors = { workspace = true }
 console = { workspace = true }
 
 # GUI
+# TODO: install dependencies for Windows and MacOS in the CI before removing the below filter restricting relm4 to Linux
 [target.'cfg(target_os = "linux")'.dependencies]
 relm4 = { workspace = true }
 relm4-components = { workspace = true }

rust-toolchain.toml

@@ -3,8 +3,9 @@ channel = "nightly"
 components = ["rustc", "cargo", "rust-std", "rustfmt"]
 targets = [
     "x86_64-unknown-linux-gnu",
-    "x86_64-pc-windows-gnu",
+    "x86_64-pc-windows-msvc",
     "x86_64-apple-darwin",
     "aarch64-unknown-linux-gnu",
+    "aarch64-pc-windows-msvc",
     "aarch64-apple-darwin",
 ]