/travis/Dockerfile.dockcross

ARG DOCKCROSS_IMAGE=linux-armv7
FROM dockcross/${DOCKCROSS_IMAGE}

LABEL description="A docker image for building portable Python linux binary wheels and Kaldi on other architectures"
LABEL maintainer="contact@alphacephei.com"

RUN apt-get update && \
    apt-get install -y --no-install-recommends \
        wget \
        libffi-dev \
        libpcre3-dev \
        zlib1g-dev \
        automake \
        autoconf \
        libtool \
    && rm -rf /var/lib/apt/lists/*

RUN cd /opt \
    && wget -O swig-4.0.1.tar.gz https://sourceforge.net/projects/swig/files/swig/swig-4.0.1/swig-4.0.1.tar.gz/download \
    && tar xf swig-4.0.1.tar.gz \
    && cd swig-4.0.1 \
    && CPP=/usr/bin/cpp CXX=/usr/bin/g++ CC=/usr/bin/gcc ./configure --prefix=/usr && make -j 10 && make install \
    && cd .. \
    && rm -rf swig-4.0.1.tar.gz swig-4.0.1

RUN cd /opt \
    && wget -q https://github.com/openssl/openssl/archive/OpenSSL_1_0_2u.tar.gz \
    && tar xf OpenSSL_1_0_2u.tar.gz \
    && cd openssl-OpenSSL_1_0_2u \
    && CROSS_COMPILE= MACHINE="$(echo $CROSS_TRIPLE|cut -d - -f 1)" ./config --prefix=$CROSS_ROOT shared \
    && make -j $(nproc) \
    && make install \
    && rm -rf /opt/openssl-OpenSSL_1_0_2u /opt/OpenSSL_1_0_2u.tar.gz

RUN cd /opt \
    && wget -q https://github.com/python/cpython/archive/v3.7.6.tar.gz \
    && tar xf v3.7.6.tar.gz \
    && cp -r cpython-3.7.6 cpython-3.7.6-cross \
    && cd /opt/cpython-3.7.6 \
    && AR=/usr/bin/ar RANLIB=/usr/bin/ranlib CPP=/usr/bin/cpp CXX=/usr/bin/g++ CC=/usr/bin/gcc  ./configure --prefix="/opt/python/cp3.7-cp3.7m" \
    && make -j $(nproc) \
    && make install \
    && /opt/python/cp3.7-cp3.7m/bin/pip3 install -U pip \
    && /opt/python/cp3.7-cp3.7m/bin/pip3 install -U wheel \
    && cd /opt/cpython-3.7.6-cross \
    && export PATH=/opt/python/cp3.7-cp3.7m/bin:$PATH \
    && ./configure --prefix=$CROSS_ROOT --with-openssl=$CROSS_ROOT --host=${CROSS_TRIPLE} --build=x86-linux-gnu --disable-ipv6 ac_cv_file__dev_ptmx=no ac_cv_file__dev_ptc=no ac_cv_have_long_long_format=yes \
    && make -j $(nproc) \
    && make install \
    && rm -rf /opt/cpython-3.7.6 /opt/cpython-3.7.6-cross /opt/v3.7.6.tar.gz

RUN cd /opt \
    && wget -q https://github.com/python/cpython/archive/v3.6.10.tar.gz \
    && tar xf v3.6.10.tar.gz \
    && cp -r cpython-3.6.10 cpython-3.6.10-cross \
    && cd /opt/cpython-3.6.10 \
    && AR=/usr/bin/ar RANLIB=/usr/bin/ranlib CPP=/usr/bin/cpp CXX=/usr/bin/g++ CC=/usr/bin/gcc  ./configure --prefix="/opt/python/cp3.6-cp3.6m" \
    && make -j $(nproc) \
    && make install \
    && /opt/python/cp3.6-cp3.6m/bin/pip3 install -U pip \
    && /opt/python/cp3.6-cp3.6m/bin/pip3 install -U wheel \
    && cd /opt/cpython-3.6.10-cross \
    && export PATH=/opt/python/cp3.6-cp3.6m/bin:$PATH \
    && ./configure --prefix=$CROSS_ROOT --with-openssl=$CROSS_ROOT --host=${CROSS_TRIPLE} --build=x86-linux-gnu --disable-ipv6 ac_cv_file__dev_ptmx=no ac_cv_file__dev_ptc=no ac_cv_have_long_long_format=yes \
    && make -j $(nproc) \
    && make install \
    && rm -rf /opt/cpython-3.6.10 /opt/cpython-3.6.10-cross /opt/v3.6.10.tar.gz

RUN cd /opt \
    && wget -q https://github.com/python/cpython/archive/v3.8.3.tar.gz \
    && tar xf v3.8.3.tar.gz \
    && cp -r cpython-3.8.3 cpython-3.8.3-cross \
    && cd /opt/cpython-3.8.3 \
    && AR=/usr/bin/ar RANLIB=/usr/bin/ranlib CPP=/usr/bin/cpp CXX=/usr/bin/g++ CC=/usr/bin/gcc  ./configure --prefix="/opt/python/cp3.8-cp3.8m" \
    && make -j $(nproc) \
    && make install \
    && /opt/python/cp3.8-cp3.8m/bin/pip3 install -U pip \
    && /opt/python/cp3.8-cp3.8m/bin/pip3 install -U wheel \
    && cd /opt/cpython-3.8.3-cross \
    && export PATH=/opt/python/cp3.8-cp3.8m/bin:$PATH \
    && ./configure --prefix=$CROSS_ROOT --with-openssl=$CROSS_ROOT --host=${CROSS_TRIPLE} --build=x86-linux-gnu --disable-ipv6 ac_cv_file__dev_ptmx=no ac_cv_file__dev_ptc=no ac_cv_have_long_long_format=yes \
    && make -j $(nproc) \
    && make install \
    && rm -rf /opt/cpython-3.8.3 /opt/cpython-3.8.3-cross /opt/v3.8.3.tar.gz

ARG OPENBLAS_ARCH=ARMV7
ARG ARM_HARDWARE_OPTS="-mfloat-abi=hard -mfpu=neon"
RUN cd /opt \
    && git clone -b lookahead --single-branch https://github.com/alphacep/kaldi \
    && cd kaldi/tools \
    && git clone -b v0.3.7 --single-branch https://github.com/xianyi/OpenBLAS \
    && make PREFIX=$(pwd)/OpenBLAS/install TARGET="${OPENBLAS_ARCH}" HOSTCC=gcc USE_LOCKING=1 USE_THREAD=0 -C OpenBLAS all install \
    && git clone https://github.com/alphacep/openfst openfst \
    && cd openfst \
    && autoreconf -i \
    && ./configure --prefix=/opt/kaldi/tools/openfst --enable-static --enable-shared --enable-far --enable-ngram-fsts --enable-lookahead-fsts --with-pic --disable-bin --host=${CROSS_TRIPLE} --build=x86-linux-gnu \
    && make -j 10 && make install \
    && cd /opt/kaldi/src \
    && sed -i "s:TARGET_ARCH=\"\`uname -m\`\":TARGET_ARCH=$(echo $CROSS_TRIPLE|cut -d - -f 1):g" configure \
    && sed -i "s:-mfloat-abi=hard -mfpu=neon:${ARM_HARDWARE_OPTS}:g" makefiles/linux_openblas_arm.mk \
    && sed -i "s: -O1 : -O3 :g" makefiles/linux_openblas_arm.mk \
    && ./configure --mathlib=OPENBLAS --shared --use-cuda=no \
    && make -j 10 online2 lm \
    && find /opt/kaldi -name "*.o" -exec rm {} \;