[F] Fix rust builder

tools/build_rust.sh

@@ -8,4 +8,4 @@ docker build -t rust-builder-general tools/rust-builder/general
 
 # Step 2: Run the Docker container and execute the builder script
 echo "Running the Docker container..."
-docker run --rm -v "$(pwd)":/app rust-builder bash -c "cd /app && ./tools/rust-builder/general/builder.sh"
+docker run --rm -v "$(pwd)":/app rust-builder-general bash -c "cd /app && ./tools/rust-builder/general/build.sh"

tools/rust-builder/general/Dockerfile

@@ -3,14 +3,19 @@ FROM debian:10-slim
 # Install Rust building environment
 RUN apt update && apt install -y curl build-essential gcc libssl-dev bash musl-tools mingw-w64
 RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
-RUN source $HOME/.cargo/env
 
 # Add toolchains for building for gnu[x86_64, aarch64, armv7l], musl[x86_64], and windows[x86_64, aarch64]
-RUN rustup target add \
+RUN /root/.cargo/bin/rustup target add \
     x86_64-unknown-linux-gnu \
     aarch64-unknown-linux-gnu \
     armv7-unknown-linux-gnueabihf \
     x86_64-unknown-linux-musl \
-    x86_64-pc-windows-gnu \
+    x86_64-pc-windows-gnu
+
+# Install armv7l & aarch64 toolchains
+RUN apt install -y gcc-arm-linux-gnueabihf gcc-aarch64-linux-gnu
+
+# Add cargo to path
+ENV PATH="/root/.cargo/bin:${PATH}"
 
 WORKDIR /app

tools/rust-builder/general/build.sh

@@ -1,5 +1,11 @@
 #!/usr/bin/env bash
 
+set -e
+
+# Set linkers for cross-compilation
+export CARGO_TARGET_ARMV7_UNKNOWN_LINUX_GNUEABIHF_LINKER=/usr/bin/arm-linux-gnueabihf-gcc
+export CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=/usr/bin/aarch64-linux-gnu-gcc
+
 # Build for platforms
 cargo build --release --target x86_64-unknown-linux-gnu
 cargo build --release --target aarch64-unknown-linux-gnu