How to cross compile QuantLib in docker

This example demo using dockcross to build Quantlib armv7 library packages and cross compile in host X86_64 machine

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cd $HOME mkdir -p dockcross cd dockcross cat >$HOME/dockcross/dockcross_ql_1.21 <<'HEREEOF' # dockcross_ql_1.21 # docker build -f dockcross_ql_1.21 -t dockcross/linux-armv7/quantlib:1.21 . # Build Quantlib libraries for armv7 ARG tag=latest FROM dockcross/linux-armv7 ENV DEFAULT_DOCKCROSS_IMAGE dockcross/linux-armv7/quantlib:1.21 ENV CROSS_PREFIX /usr/xcc/armv7-unknown-linux-gnueabi/armv7-unknown-linux-gnueabi/sysroot/usr LABEL Description="Provide a building environment dockcross/linux/armv7 for the QuantLib" RUN apt-get update \ && DEBIAN_FRONTEND=noninteractive apt-get install -y build-essential wget vim git ENV boost_version=1.67.0 ENV boost_dir=boost_1_67_0 # Install boost dependencies RUN echo 'Building boost and required packages ...' RUN dpkg --add-architecture armhf \ && apt-get update \ && apt-get download libbz2-1.0:armhf libbz2-dev:armhf liblzma-dev:armhf \ && dpkg-deb -x libbz2-1*armhf.deb ./x \ && dpkg-deb -x libbz2-dev_*armhf.deb ./x \ && dpkg-deb -x liblzma-dev_*armhf.deb ./x \ && mv ./x/usr/lib/arm-linux-gnueabihf/* ${CROSS_PREFIX}/lib/ \ && mv ./x/usr/bin/* ${CROSS_PREFIX}/bin/ \ && mv ./x/usr/include/* ${CROSS_PREFIX}/include/ \ && mv ./x/usr/share/* ${CROSS_PREFIX}/share/ \ && mv ./x/lib/arm-linux-gnueabihf/* ${CROSS_PREFIX}/lib/ \ && rm -fr ./x *.deb && ldconfig RUN wget https://sourceforge.net/projects/libpng/files/zlib/1.2.11/zlib-1.2.11.tar.gz/download -O zlib-1.2.11.tar.gz \ && tar xfz zlib-1.2.11.tar.gz \ && rm zlib-1.2.11.tar.gz \ && cd zlib-1.2.11 \ && ./configure --prefix=${CROSS_PREFIX} && make && make install \ && cd .. && rm -rf zlib-1.2.11 && ldconfig # Build boost RUN wget https://dl.bintray.com/boostorg/release/${boost_version}/source/${boost_dir}.tar.gz \ && tar xfz ${boost_dir}.tar.gz \ && rm ${boost_dir}.tar.gz \ && cd ${boost_dir} \ && ./bootstrap.sh --with-toolset=gcc --prefix=${CROSS_PREFIX} \ && touch user-config.jam \ && echo "using gcc : armv7 : ${CXX} ;" > user-config.jam \ && echo "using mpi ;" >> user-config.jam \ && ./b2 --toolset=gcc-armv7 --address-model=32 --architecture=arm --user-config=./user-config.jam --without-python --prefix=${CROSS_PREFIX} -j 4 link=shared runtime-link=shared install \ && cd .. && rm -rf ${boost_dir} && ldconfig # Build Quantlib C++ RUN echo 'Building Quantlib C++ ...' ENV quantlib_version=1.21 RUN wget https://dl.bintray.com/quantlib/releases/QuantLib-${quantlib_version}.tar.gz \ && tar xfz QuantLib-${quantlib_version}.tar.gz \ && rm QuantLib-${quantlib_version}.tar.gz \ && cd QuantLib-${quantlib_version} \ && ./configure --host=x86_64-linux-gnu --target=armv7-unknown-linux-gnueabi --with-boost-include=${CROSS_PREFIX}/include/boost --with-boost-lib=${CROSS_PREFIX}/lib --prefix=${CROSS_PREFIX} --disable-static CXXFLAGS=-O3 \ && make -j 4 && make install \ && make clean \ && cd .. && ldconfig HEREEOF # build image docker build -f dockcross_ql_1.21 -t dockcross/linux-armv7/quantlib:1.21 . # Test dockcross compile docker run --rm dockcross/linux-armv7/quantlib:1.21 > dockcross-quantlib-armv7 chmod +x dockcross-quantlib-armv7 ./dockcross-quantlib-armv7 bash -c '$CXX -v' # Copy example cpp file from image docker run -v $PWD:/opt/mount --rm --entrypoint cp dockcross/linux-armv7/quantlib:1.21 /work/QuantLib-1.21/Examples/Bonds/Bonds.cpp /opt/mount/Bonds.cpp # Use this command to copy whole directory recursively # docker run -v $PWD:/opt/mount --rm --entrypoint cp dockcross/linux-armv7/quantlib:1.21 -r /work/QuantLib-1.21/Examples /opt/mount/QLExamples # Compile and check binary ./dockcross-quantlib-armv7 bash -c '$CXX Bonds.cpp -lQuantLib -o Bonds -static' file Bonds

# install qemu and run in host
sudo apt update
sudo apt install -y qemu-user
qemu-arm Bonds

# Or test run it in armv7 machine e.g. RaspberryPi 3B+
scp Bonds mypi3b:~/.
ssh mypi3b '~/Bonds'