trying to fix aarch64-musl build

.github/workflows/binary-builds.yml

@@ -68,7 +68,7 @@ jobs:
         run: |
           sudo apt-get update
           if [[ "${{matrix.target}}" == *musl ]]; then
-            sudo apt-get install musl-dev musl-tools linux-musl-dev
+            sudo apt-get install musl-dev musl-tools
           else
             sudo apt-get install gcc-aarch64-linux-gnu binutils-aarch64-linux-gnu
           fi
@@ -97,8 +97,13 @@ jobs:
         with:
           target: ${{ matrix.target }}
 
+        # problems with cross-compiling aarch64 linux with musl
+      - run: echo "RUSTFLAGS=-D warnings -C target-feature=+crt-static -C link-self-contained=yes" >> "${GITHUB_ENV}"
+        if: contains(matrix.target, '-linux-musl')
+
       - name: Build
         env:
+          # problems with cross-compiling aarch64 linux with gnu
           CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER: /usr/bin/aarch64-linux-gnu-gcc
         run: cargo build --manifest-path cpp-linter-cli/Cargo.toml --release --bin cpp-linter-cli --target ${{ matrix.target }} ${{ steps.is-openssl-vendored.outputs.enabled }}