ci: remove windows aarch64 target + use clang

.cargo/config.toml

@@ -19,6 +19,9 @@ linker = "arm-linux-gnueabihf-gcc"
 [target.x86_64-unknown-linux-musl]
 linker = "rust-lld"
 
+[target.i686-unknown-linux-musl]
+linker = "rust-lld"
+
 # Use the sparse registry protocol for Cargo.
 [registries.crates-io]
 protocol = "sparse"

.github/workflows/release.yaml

@@ -153,10 +153,7 @@ jobs:
             os: windows-latest
             artifact_name: deltio.exe
             asset_name: deltio-${{ needs.tag.outputs.tag }}-windows-x86_64
-          - target: aarch64-pc-windows-msvc
-            os: windows-latest
-            artifact_name: deltio.exe
-            asset_name: deltio-${{ needs.tag.outputs.tag }}-windows-aarch64
+
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -180,6 +177,15 @@ jobs:
             sudo apt-get install -y ${{ matrix.install_linker }}
           fi
 
+      # We need to use clang because `ring` (used by `rustls`) won't compile with gcc.
+      - name: Configure clang as C and C++ compiler (Linux)
+        # Don't use clang for aarch64 musl Linux, as we're installing a special cross-compiler
+        # for that target.
+        if: ${{ matrix.os == 'ubuntu-latest' && matrix.target != 'aarch64-unknown-linux-musl' }}
+        run: |
+          echo "CC=clang" >> "$GITHUB_ENV"
+          echo "CXX=clang++" >> "$GITHUB_ENV"
+
       - name: Install Protoc
         uses: arduino/setup-protoc@v1
         with:

Dockerfile

@@ -1,7 +1,7 @@
 FROM --platform=$BUILDPLATFORM rust:1.69 as build
 
 # Install Protocol Buffers.
-RUN apt-get update && apt-get install -y protobuf-compiler musl-tools musl-dev
+RUN apt-get update && apt-get install -y protobuf-compiler clang musl-tools musl-dev
 
 # Create a new empty project.
 RUN cargo new --bin deltio
@@ -60,6 +60,12 @@ RUN <<EOF
   # If the build platform is the same as the target platform, we don't
   # need to use any target.
   TARGET=$(cat .target)
+  # Use clang except for aarch64 musl
+  if [ "$TARGET" != "aarch64-unknown-linux-musl" ]; then
+    export CC="clang"
+    export CXX="clang++"
+  fi
+
   if [ -z "$TARGET" ]; then
     cargo build --release
     rm ./target/release/deps/deltio*
@@ -83,6 +89,13 @@ RUN <<EOF
   # If the build platform is the same as the target platform, we don't
   # need to use any target.
   TARGET=$(cat .target)
+
+  # Use clang except for aarch64 musl
+  if [ "$TARGET" != "aarch64-unknown-linux-musl" ]; then
+    export CC="clang"
+    export CXX="clang++"
+  fi 
+
   if [ -z "$TARGET" ]; then
     cargo build --release
     exit 0