build.sh

set -e

# Helper functions
load_android_toolchain() { # [arch] [compiler_abi]
    export LD="$ANDROID_NDK_TOOLCHAIN/$1-linux-android$2$ANDROID_API_LEVEL-clang"
    export CC="$ANDROID_NDK_TOOLCHAIN/$1-linux-android$2$ANDROID_API_LEVEL-clang"
    export CXX="$ANDROID_NDK_TOOLCHAIN/$1-linux-android$2$ANDROID_API_LEVEL-clang++"
    export AS="$ANDROID_NDK_TOOLCHAIN/$1-linux-android$2$ANDROID_API_LEVEL-as"
}

load_native_toolchain() { # [arch] [compiler_abi]
    export LD="ld"
    export CC="gcc"
    export CXX="g++"
    export AS="as"
}

gen_cmake_args() { # [android_abi]
    echo -DENABLE_TESTING=OFF -DCMAKE_TOOLCHAIN_FILE="$ANDROID_NDK_CMAKE" -DANDROID_ABI=$1 -DANDROID_ARM_NEON=ON -DANDROID_NATIVE_API_LEVEL=$ANDROID_API_LEVEL -DENABLE_TESTING=OFF -DCMAKE_INSTALL_PREFIX=/ \
        -DCMAKE_INSTALL_LIBDIR=/lib -DCMAKE_INSTALL_FULL_LIBDIR=/lib \
        -DCMAKE_INSTALL_BINDIR=/bin -DCMAKE_INSTALL_FULL_BINDIR=/bin \
        -DCMAKE_INSTALL_BINDIR=/sbin -DCMAKE_INSTALL_FULL_BINDIR=/sbin \
        -DCMAKE_INSTALL_INCLUDEDIR=/include -DCMAKE_INSTALL_FULL_INCLUDEDIR=/include \
        -DTHREADS_PTHREAD_ARG=-pthread
}

gen_cmake_libusb_args() { # [android_abi]
    echo -DLIBUSB_LIBRARIES=$SDR_KIT_ROOT/$1/lib/libusb1.0.so -DLIBUSB_INCLUDE_DIRS=$SDR_KIT_ROOT/$1/include -DLIBUSB_INCLUDE_DIR=$SDR_KIT_ROOT/$1/include -DLIBUSB_FOUND=1 -DLIBUSB_VERSION=1.0.25
}

gen_cmake_fftw_args() { # [android_abi]
    echo -DFFTW_LIBRARIES=$SDR_KIT_ROOT/$1/lib/libfftw3f.so -DFFTW_INCLUDES=$SDR_KIT_ROOT/$1/include -DFFTW_FOUND=1
}

gen_cmake_libxml2_args() { # [android_abi]
    echo -DLIBXML2_LIBRARY=$SDR_KIT_ROOT/$1/lib/libxml2.so -DLIBXML2_INCLUDE_DIR=$SDR_KIT_ROOT/$1/include/libxml2 -DLIBXML2_FOUND=1
}

gen_cmake_libiio_args() { # [android_abi]
    echo -DLIBIIO_LIBRARIES=$SDR_KIT_ROOT/$1/lib/libiio.so -DLIBIIO_INCLUDEDIR=$SDR_KIT_ROOT/$1/include
}

# Download libaries
wget https://github.com/facebook/zstd/releases/download/v1.5.2/zstd-1.5.2.tar.gz
tar -zxvf zstd-1.5.2.tar.gz
mv zstd-1.5.2 zstd

wget http://www.fftw.org/fftw-3.3.10.tar.gz
tar -zxvf fftw-3.3.10.tar.gz
mv fftw-3.3.10 fftw

wget https://github.com/drowe67/codec2/archive/refs/tags/v1.0.5.zip
7z x v1.0.5.zip
mv codec2-1.0.5 codec2

wget https://github.com/libusb/libusb/releases/download/v1.0.25/libusb-1.0.25.tar.bz2
tar -xvf libusb-1.0.25.tar.bz2
mv libusb-1.0.25 libusb

git clone --recurse-submodules https://github.com/gnuradio/volk

git clone https://github.com/airspy/airspyhf

git clone https://github.com/airspy/airspyone_host

git clone https://github.com/AlexandreRouma/hackrf

git clone https://github.com/AlexandreRouma/librtlsdr

wget https://download.gnome.org/sources/libxml2/2.9/libxml2-2.9.14.tar.xz
tar -xvf libxml2-2.9.14.tar.xz
mv libxml2-2.9.14 libxml2

wget https://github.com/analogdevicesinc/libiio/archive/refs/tags/v0.24.tar.gz
tar -zxvf v0.24.tar.gz
mv libiio-0.24 libiio

wget https://github.com/analogdevicesinc/libad9361-iio/archive/refs/tags/v0.2.tar.gz
tar -zxvf v0.2.tar.gz
mv libad9361-iio-0.2 libad9361

# Build ZSTD
build_zstd() { # [arch] [android_abi] [compiler_abi]
    echo "===================== ZSTD ($2) ====================="
    cd zstd
    load_android_toolchain $1 $3
    make clean
    make $MAKEOPTS
    make prefix=/ libdir=/lib DESTDIR=$SDR_KIT_ROOT/$2 install
    patchelf --set-soname libzstd.so $SDR_KIT_ROOT/$2/lib/libzstd.so
    cd ..
}
build_zstd i686 x86
build_zstd x86_64 x86_64
build_zstd armv7a armeabi-v7a eabi
build_zstd aarch64 arm64-v8a

# Build FFTW3
build_fftw() { # [android_abi]
    echo "===================== FFTW3 ($1) ====================="
    cd fftw
    mkdir -p build_$1 && cd build_$1
    cmake $(gen_cmake_args $1) -DENABLE_FLOAT=ON ..
    make $MAKEOPTS
    make DESTDIR=$SDR_KIT_ROOT/$1 install
    cd ../../
}
build_fftw x86
build_fftw x86_64
build_fftw armeabi-v7a
build_fftw arm64-v8a

# Build codec2
build_codec2() { # [android_abi]
    echo "===================== Codec2 ($1) ====================="
    cd codec2
    mkdir -p build_$1 && cd build_$1
    load_native_toolchain
    cmake $(gen_cmake_args $1) -DUNITTEST=FALSE -DGENERATE_CODEBOOK=$SDR_KIT_BUILD/codec2/build_linux/src/generate_codebook ..
    make $MAKEOPTS
    make DESTDIR=$SDR_KIT_ROOT/$1 install
    cd ../../
}
build_codec2 x86
build_codec2 x86_64
build_codec2 armeabi-v7a
build_codec2 arm64-v8a

# Build libusb
build_libusb() {
    echo "===================== libusb ====================="
    cd libusb/android/jni
    $ANDROID_SDK_ROOT/ndk/$ANDROID_NDK_VERSION/ndk-build
    cd ..
    mkdir -p $SDR_KIT_ROOT/x86/lib
    mkdir -p $SDR_KIT_ROOT/x86_64/lib
    mkdir -p $SDR_KIT_ROOT/armeabi-v7a/lib
    mkdir -p $SDR_KIT_ROOT/arm64-v8a/lib
    cp libs/x86/* $SDR_KIT_ROOT/x86/lib
    cp libs/x86_64/* $SDR_KIT_ROOT/x86_64/lib
    cp libs/armeabi-v7a/* $SDR_KIT_ROOT/armeabi-v7a/lib
    cp libs/arm64-v8a/* $SDR_KIT_ROOT/arm64-v8a/lib
    cd ..
    mkdir -p $SDR_KIT_ROOT/x86/include
    mkdir -p $SDR_KIT_ROOT/x86_64/include
    mkdir -p $SDR_KIT_ROOT/armeabi-v7a/include
    mkdir -p $SDR_KIT_ROOT/arm64-v8a/include
    cp libusb/libusb.h $SDR_KIT_ROOT/x86/include
    cp libusb/libusbi.h $SDR_KIT_ROOT/x86/include
    cp libusb/libusb.h $SDR_KIT_ROOT/x86_64/include
    cp libusb/libusbi.h $SDR_KIT_ROOT/x86_64/include
    cp libusb/libusb.h $SDR_KIT_ROOT/armeabi-v7a/include
    cp libusb/libusbi.h $SDR_KIT_ROOT/armeabi-v7a/include
    cp libusb/libusb.h $SDR_KIT_ROOT/arm64-v8a/include
    cp libusb/libusbi.h $SDR_KIT_ROOT/arm64-v8a/include
    cd ..
}
build_libusb

# Build volk
build_volk() { # [android_abi]
    echo "===================== Volk ($1) ====================="
    cd volk
    mkdir -p build_$1 && cd build_$1
    cmake $(gen_cmake_args $1) ..
    make $MAKEOPTS
    make DESTDIR=$SDR_KIT_ROOT/$1 install
    cd ../../
}
build_volk x86
build_volk x86_64
build_volk armeabi-v7a
build_volk arm64-v8a

# Build libairspyhf
build_libairspyhf() { # [android_abi]
    echo "===================== libairspyhf ($1) ====================="
    cd airspyhf
    mkdir -p build_$1 && cd build_$1
    cmake $(gen_cmake_args $1) $(gen_cmake_libusb_args $1) ..
    make $MAKEOPTS
    make DESTDIR=$SDR_KIT_ROOT/$1 install
    cd ../../
}
build_libairspyhf x86
build_libairspyhf x86_64
build_libairspyhf armeabi-v7a
build_libairspyhf arm64-v8a

# Build libairspy
build_libairspy() { # [android_abi]
    echo "===================== libairspy ($1) ====================="
    cd airspyone_host
    mkdir -p build_$1 && cd build_$1
    cmake $(gen_cmake_args $1) $(gen_cmake_libusb_args $1) ..
    make $MAKEOPTS
    make DESTDIR=$SDR_KIT_ROOT/$1 install
    cd ../../
}
build_libairspy x86
build_libairspy x86_64
build_libairspy armeabi-v7a
build_libairspy arm64-v8a

# Build libhackrf
build_libhackrf() { # [android_abi]
    echo "===================== libhackrf ($1) ====================="
    cd hackrf/host
    mkdir -p build_$1 && cd build_$1
    cmake $(gen_cmake_args $1) $(gen_cmake_libusb_args $1) $(gen_cmake_fftw_args $1) -DDISABLE_USB_ENUMERATION=ON ..
    make $MAKEOPTS
    make DESTDIR=$SDR_KIT_ROOT/$1 install
    cd ../../../
}
build_libhackrf x86
build_libhackrf x86_64
build_libhackrf armeabi-v7a
build_libhackrf arm64-v8a

# Build librtlsdr
build_librtlsdr() { # [android_abi]
    echo "===================== librtlsdr ($1) ====================="
    cd librtlsdr
    mkdir -p build_$1 && cd build_$1
    cmake $(gen_cmake_args $1) $(gen_cmake_libusb_args $1) ..
    make $MAKEOPTS
    make DESTDIR=$SDR_KIT_ROOT/$1 install
    cd ../../
}
build_librtlsdr x86
build_librtlsdr x86_64
build_librtlsdr armeabi-v7a
build_librtlsdr arm64-v8a

# Build libxml2
build_libxml2() { # [android_abi]
    echo "===================== LibXML2 ($1) ====================="
    cd libxml2
    mkdir -p build_$1 && cd build_$1
    cmake $(gen_cmake_args $1) -DLIBXML2_WITH_LZMA=OFF -DLIBXML2_WITH_PYTHON=OFF ..
    make $MAKEOPTS
    make DESTDIR=$SDR_KIT_ROOT/$1 install
    cd ../../
}
build_libxml2 x86
build_libxml2 x86_64
build_libxml2 armeabi-v7a
build_libxml2 arm64-v8a

# Build libiio
build_libiio() { # [android_abi]
    echo "===================== LibIIO ($1) ====================="
    cd libiio
    mkdir -p build_$1 && cd build_$1
    cmake $(gen_cmake_args $1) $(gen_cmake_libxml2_args $1) -DWITH_TESTS=OFF -DWITH_USB_BACKEND=OFF -DHAVE_DNS_SD=OFF ..
    make $MAKEOPTS
    make DESTDIR=$SDR_KIT_ROOT/$1 install
    cd ../../
}
build_libiio x86
build_libiio x86_64
build_libiio armeabi-v7a
build_libiio arm64-v8a

# Build libad9361
build_libad9361() { # [android_abi]
    echo "===================== LibAD9361 ($1) ====================="
    cd libad9361
    mkdir -p build_$1 && cd build_$1
    cmake $(gen_cmake_args $1) $(gen_cmake_libiio_args $1) -DDESTINATION=$SDR_KIT_ROOT/$1 ..
    make $MAKEOPTS
    # Install is broken, so it must be done manually...
    cp ../ad9361.h $SDR_KIT_ROOT/$1/include/
    cp libad9361.so $SDR_KIT_ROOT/$1/lib/
    cd ../../
}
build_libad9361 x86
build_libad9361 x86_64
build_libad9361 armeabi-v7a
build_libad9361 arm64-v8a