Add .cargo/config.toml for better deb build.

.cargo/config.toml

@@ -0,0 +1,15 @@
+[source.crates-io]
+index = "https://github.com/rust-lang/crates.io-index" # I set the source to the official github index
+
+[http]
+proxy = "" # leaving this as a blank string resets proxy to default
+
+[target.aarch64-unknown-linux-gnu]
+arch = "arm64"
+linker = "aarch64-linux-gnu-gcc"
+rustflags = ["-C", "target-feature=+crt-static"]
+
+[target.armv7-unknown-linux-gnueabihf]
+arch = "armhf"
+linker = "/opt/rpi_tools/arm-bcm2708/arm-rpi-4.9.3-linux-gnueabihf/bin/arm-linux-gnueabihf-gcc"
+rustflags = ["-C", "target-feature=+crt-static"]

.github/workflows/release.yml

@@ -138,16 +138,6 @@ jobs:
           rustup target add ${{ matrix.target }}
           rustup -q update
 
-      - name: Configure linker for cross-compilation (for ARM)
-        if: matrix.linker != '' && matrix.linker != null
-        run: |
-          mkdir -p .cargo
-          echo '[target.${{ matrix.target }}]' > .cargo/config.toml
-          echo 'linker = "${{ matrix.linker }}"' >> .cargo/config.toml
-          echo 'rustflags = ${{ matrix.rustflags }}' >> .cargo/config.toml
-          echo "Configured .cargo/config.toml for ${{ matrix.target }}:"
-          cat .cargo/config.toml
-
       - name: Build Debian package for ${{ matrix.arch }}
         if: matrix.arch != 'armhf' && matrix.arch != 'arm64'
         run: dpkg-buildpackage -b -d -uc -us --host-arch ${{ matrix.arch }}