TDLib ARM Client in ARM32 Assembly (ARMv7)

Dockerfile

FROM debian:bullseye

ENV DEBIAN_FRONTEND=noninteractive

RUN dpkg --add-architecture armhf && \
    apt update && \
    apt install -y --no-install-recommends \
        libc6:armhf \
        libstdc++6:armhf \
        ca-certificates \
        build-essential \
        git \
        cmake \
        zlib1g-dev \
        binutils \
        gcc-arm-linux-gnueabihf \
        g++-arm-linux-gnueabihf \
        wget \
        perl \
        libssl-dev \
        gperf

RUN cd /tmp && \
    wget https://github.com/madler/zlib/releases/download/v1.2.13/zlib-1.2.13.tar.gz && \
    tar -xzf zlib-1.2.13.tar.gz && \
    cd zlib-1.2.13 && \
    CC=arm-linux-gnueabihf-gcc ./configure --prefix=/opt/zlib-arm --static && \
    make -j8 && \
    make install

RUN cd /tmp && \
    wget https://www.openssl.org/source/openssl-3.2.1.tar.gz && \
    tar -xzf openssl-3.2.1.tar.gz && \
    cd openssl-3.2.1 && \
    ./Configure linux-generic32 \
        -march=armv7-a \
        --prefix=/opt/openssl-arm \
        --with-zlib-include=/opt/zlib-arm/include \
        --with-zlib-lib=/opt/zlib-arm/lib \
        no-shared \
        no-dso \
        no-engine \
        zlib && \
    make -j8 CC=arm-linux-gnueabihf-gcc && \
    make install

RUN cd /tmp && \
    git clone https://github.com/tdlib/td.git

RUN cd /tmp/td && \
    mkdir build-x86 && \
    cd build-x86 && \
    cmake -DCMAKE_BUILD_TYPE=Release .. && \
    make -j8 && \
    find . -name "*mime_type_to_extension*" -o -name "*auto*" | head -10

RUN cd /tmp/td/build-x86 && \
    make generate_mime_types_gperf

RUN cd /tmp/td && \
    find build-x86 -name "*.cpp" -path "*/auto/*" -exec cp {} tdutils/generate/auto/ \; 2>/dev/null || echo "Files not found..."

RUN cd /tmp/td && \
    mkdir build-arm && \
    cd build-arm && \
    CC=arm-linux-gnueabihf-gcc CXX=arm-linux-gnueabihf-g++ \
    cmake -DCMAKE_BUILD_TYPE=Release \
          -DCMAKE_SYSTEM_NAME=Linux \
          -DCMAKE_SYSTEM_PROCESSOR=arm \
          -DCMAKE_C_COMPILER=arm-linux-gnueabihf-gcc \
          -DCMAKE_CXX_COMPILER=arm-linux-gnueabihf-g++ \
          -DOPENSSL_ROOT_DIR=/opt/openssl-arm \
          -DOPENSSL_INCLUDE_DIR=/opt/openssl-arm/include \
          -DOPENSSL_CRYPTO_LIBRARY=/opt/openssl-arm/lib/libcrypto.a \
          -DOPENSSL_SSL_LIBRARY=/opt/openssl-arm/lib/libssl.a \
          -DZLIB_ROOT=/opt/zlib-arm \
          .. && \
    make -j8 tdjson

RUN cp /tmp/td/build-arm/libtdjson.so /usr/lib/ && \
    ldconfig

WORKDIR /app
COPY arm_tdjson_example.s .
RUN arm-linux-gnueabihf-as -o arm_tdjson_example.o arm_tdjson_example.s
RUN arm-linux-gnueabihf-gcc -o arm_tdjson_example arm_tdjson_example.o -ldl -L/tmp/td/build-arm

CMD ["./arm_tdjson_example"]