compile-libvlc.sh 17.8 KB
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#!/bin/sh

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#############
# FUNCTIONS #
#############

checkfail()
{
    if [ ! $? -eq 0 ];then
        echo "$1"
        exit 1
    fi
}
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#############
# ARGUMENTS #
#############

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RELEASE=0
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GDB_FILE=""
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while [ $# -gt 0 ]; do
    case $1 in
        help|--help)
            echo "Use -a to set the ARCH"
            echo "Use --release to build in release mode"
            exit 1
            ;;
        a|-a)
            ANDROID_ABI=$2
            shift
            ;;
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        -c)
            CHROME_OS=1
            ;;
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        release|--release)
            RELEASE=1
            ;;
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        --gdb)
            GDB_FILE="$2"
            shift
            ;;
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    esac
    shift
done

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if [ -z "$ANDROID_NDK" ]; then
    echo "Please set the ANDROID_NDK environment variable with its path."
    exit 1
fi

if [ -z "$ANDROID_ABI" ]; then
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    echo "Please pass the ANDROID ABI to the correct architecture, using
                compile-libvlc.sh -a ARCH
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    ARM:     armeabi-v7a, armeabi, armeabi-v5, armeabi-nofpu
    ARM64:   arm64-v8a
    X86:     x86, x86_64
    MIPS:    mips, mips64."
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    exit 1
fi

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###########################
# VLC BOOTSTRAP ARGUMENTS #
###########################

VLC_BOOTSTRAP_ARGS="\
    --disable-disc \
    --disable-sout \
    --enable-dvdread \
    --enable-dvdnav \
    --disable-dca \
    --disable-goom \
    --disable-chromaprint \
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    --enable-lua \
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    --disable-schroedinger \
    --disable-sdl \
    --disable-SDL_image \
    --disable-fontconfig \
    --enable-zvbi \
    --disable-kate \
    --disable-caca \
    --disable-gettext \
    --disable-mpcdec \
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    --enable-upnp \
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    --disable-gme \
    --disable-tremor \
    --enable-vorbis \
    --disable-sidplay2 \
    --disable-samplerate \
    --disable-faad2 \
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    --enable-harfbuzz \
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    --enable-iconv \
    --disable-aribb24 \
    --disable-aribb25 \
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    --enable-mpg123 \
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    --enable-libdsm \
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    --enable-libarchive \
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    --disable-libmpeg2 \
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    --enable-soxr \
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    --enable-nfs \
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    --enable-microdns \
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"

###########################
# VLC CONFIGURE ARGUMENTS #
###########################

VLC_CONFIGURE_ARGS="\
    --disable-nls \
    --enable-live555 --enable-realrtsp \
    --enable-avformat \
    --enable-swscale \
    --enable-avcodec \
    --enable-opus \
    --enable-opensles \
    --enable-mkv \
    --enable-taglib \
    --enable-dvbpsi \
    --disable-vlc --disable-shared \
    --disable-update-check \
    --disable-vlm \
    --disable-dbus \
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    --enable-lua \
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    --disable-vcd \
    --disable-v4l2 \
    --disable-gnomevfs \
    --enable-dvdread \
    --enable-dvdnav \
    --disable-bluray \
    --disable-linsys \
    --disable-decklink \
    --disable-libva \
    --disable-dv1394 \
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    --enable-mod \
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    --disable-sid \
    --disable-gme \
    --disable-tremor \
    --enable-mad \
    --disable-dca \
    --disable-sdl-image \
    --enable-zvbi \
    --disable-fluidsynth \
    --disable-jack \
    --disable-pulse \
    --disable-alsa \
    --disable-samplerate \
    --disable-sdl \
    --disable-xcb \
    --disable-atmo \
    --disable-qt \
    --disable-skins2 \
    --disable-mtp \
    --disable-notify \
    --enable-libass \
    --disable-svg \
    --disable-udev \
    --enable-libxml2 \
    --disable-caca \
    --disable-glx \
    --enable-egl \
    --enable-gles2 \
    --disable-goom \
    --disable-projectm \
    --disable-sout \
    --enable-vorbis \
    --disable-faad \
    --disable-x264 \
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    --disable-schroedinger \
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"

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########################
# VLC MODULE BLACKLIST #
########################

VLC_MODULE_BLACKLIST="
    addons.*
    stats
    access_(bd|shm|imem)
    oldrc
    real
    hotkeys
    gestures
    sap
    dynamicoverlay
    rss
    ball
    audiobargraph_[av]
    clone
    mosaic
    osdmenu
    puzzle
    mediadirs
    t140
    ripple
    motion
    sharpen
    grain
    posterize
    mirror
    wall
    scene
    blendbench
    psychedelic
    alphamask
    netsync
    audioscrobbler
    motiondetect
    motionblur
    export
    smf
    podcast
    bluescreen
    erase
    stream_filter_record
    speex_resampler
    remoteosd
    magnify
    gradient
    dtstofloat32
    logger
    visual
    fb
    aout_file
    yuv
    .dummy
"

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#########
# FLAGS #
#########
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# ARMv5 and ARMv6-nofpu are not really ABIs
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if [ "${ANDROID_ABI}" = "armeabi-nofpu" ];then
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    NO_FPU=0
    ANDROID_ABI="armeabi"
fi
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if [ "${ANDROID_ABI}" = "armeabi-v5" ];then
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    ARMV5=1
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    NO_FPU=0
    ANDROID_ABI="armeabi"
fi
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[ "${ANDROID_ABI}" = "armeabi" ] && cat << EOF
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For an ARMv6 device without FPU:
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use "-a armeabi-nofpu"
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For an ARMv5 device:
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use "-a armeabi-v5"
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EOF

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# Set up ABI variables
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if [ "${ANDROID_ABI}" = "x86" ] ; then
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    TARGET_TUPLE="i686-linux-android"
    PATH_HOST="x86"
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    PLATFORM_SHORT_ARCH="x86"
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elif [ "${ANDROID_ABI}" = "x86_64" ] ; then
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    TARGET_TUPLE="x86_64-linux-android"
    PATH_HOST="x86_64"
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    PLATFORM_SHORT_ARCH="x86_64"
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    HAVE_64=1
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elif [ "${ANDROID_ABI}" = "mips" ] ; then
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    TARGET_TUPLE="mipsel-linux-android"
    PATH_HOST=$TARGET_TUPLE
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    PLATFORM_SHORT_ARCH="mips"
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elif [ "${ANDROID_ABI}" = "mips64" ] ; then
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    TARGET_TUPLE="mips64el-linux-android"
    PATH_HOST=$TARGET_TUPLE
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    PLATFORM_SHORT_ARCH="mips64"
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    HAVE_64=1
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elif [ "${ANDROID_ABI}" = "arm64-v8a" ] ; then
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    TARGET_TUPLE="aarch64-linux-android"
    PATH_HOST=$TARGET_TUPLE
    HAVE_ARM=1
    HAVE_64=1
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    PLATFORM_SHORT_ARCH="arm64"
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elif [ "${ANDROID_ABI}" = "armeabi-v7a" -o "${ANDROID_ABI}" = "armeabi" ] ; then
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    TARGET_TUPLE="arm-linux-androideabi"
    PATH_HOST=$TARGET_TUPLE
    HAVE_ARM=1
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    PLATFORM_SHORT_ARCH="arm"
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else
    echo "Unknown ABI: '${ANDROID_ABI}'. Die, die, die!"
    exit 2
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fi

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# try to detect NDK version
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GCCVER=4.9
REL=$(grep -o '^Pkg.Revision.*[0-9]*.*' $ANDROID_NDK/source.properties |cut -d " " -f 3 | cut -d "." -f 1)
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case "$REL" in
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    11*)
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        if [ "${HAVE_64}" = 1 ];then
            ANDROID_API=android-21
        else
            ANDROID_API=android-9
        fi
    ;;
    *)
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    echo "You need the NDKv11 or later"
    exit 1
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    ;;
esac

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SYSROOT=$ANDROID_NDK/platforms/$ANDROID_API/arch-$PLATFORM_SHORT_ARCH
SRC_DIR=$PWD
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# Add the NDK toolchain to the PATH, needed both for contribs and for building
# stub libraries
NDK_TOOLCHAIN_PATH=`echo ${ANDROID_NDK}/toolchains/${PATH_HOST}-${GCCVER}/prebuilt/\`uname|tr A-Z a-z\`-*/bin`
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CROSS_COMPILE=${NDK_TOOLCHAIN_PATH}/${TARGET_TUPLE}-
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if [ ! -z "$GDB_FILE" ];then
    ${CROSS_COMPILE}gdb "$GDB_FILE"
    exit 0
fi

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export PATH=${NDK_TOOLCHAIN_PATH}:${PATH}

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###############
# DISPLAY ABI #
###############

echo "ABI:        $ANDROID_ABI"
echo "API:        $ANDROID_API"
echo "SYSROOT:    $SYSROOT"
if [ ! -z "$NO_FPU" ]; then
echo "FPU:        NO"
fi
if [ ! -z "$ARMV5" ]; then
echo "ARMv5:       YES"
fi
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echo "PATH:       $PATH"
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# Make in //
if [ -z "$MAKEFLAGS" ]; then
    UNAMES=$(uname -s)
    MAKEFLAGS=
    if which nproc >/dev/null; then
        MAKEFLAGS=-j`nproc`
    elif [ "$UNAMES" == "Darwin" ] && which sysctl >/dev/null; then
        MAKEFLAGS=-j`sysctl -n machdep.cpu.thread_count`
    fi
fi

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##########
# CFLAGS #
##########
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if [ "$NO_OPTIM" = "1" ];
then
     CFLAGS="-g -O0"
else
     CFLAGS="-g -O2"
fi
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CFLAGS="${CFLAGS} -fstrict-aliasing -funsafe-math-optimizations"
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if [ -n "$HAVE_ARM" -a ! -n "$HAVE_64" ]; then
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    CFLAGS="${CFLAGS} -mlong-calls"
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fi

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EXTRA_CFLAGS=""
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# Setup CFLAGS per ABI
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if [ "${ANDROID_ABI}" = "armeabi-v7a" ] ; then
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    EXTRA_CFLAGS="-mfpu=vfpv3-d16 -mcpu=cortex-a8"
    EXTRA_CFLAGS="${EXTRA_CFLAGS} -mthumb -mfloat-abi=softfp"
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elif [ "${ANDROID_ABI}" = "armeabi" ] ; then
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    if [ -n "${ARMV5}" ]; then
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        EXTRA_CFLAGS="-march=armv5te -mtune=arm9tdmi -msoft-float"
    else
        if [ -n "${NO_FPU}" ]; then
            EXTRA_CFLAGS="-march=armv6j -mtune=arm1136j-s -msoft-float"
        else
            EXTRA_CFLAGS="-mfpu=vfp -mcpu=arm1136jf-s -mfloat-abi=softfp"
        fi
    fi
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elif [ "${ANDROID_ABI}" = "x86" ] ; then
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    EXTRA_CFLAGS="-mtune=atom -msse3 -mfpmath=sse -m32"
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elif [ "${ANDROID_ABI}" = "mips" ] ; then
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    EXTRA_CFLAGS="-march=mips32 -mtune=mips32r2 -mhard-float"
    # All MIPS Linux kernels since 2.4.4 will trap any unimplemented FPU
    # instruction and emulate it, so we select -mhard-float.
    # See http://www.linux-mips.org/wiki/Floating_point#The_Linux_kernel_and_floating_point
fi

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EXTRA_CFLAGS="${EXTRA_CFLAGS} -I${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${GCCVER}/include"
EXTRA_CFLAGS="${EXTRA_CFLAGS} -I${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${GCCVER}/libs/${ANDROID_ABI}/include"
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# XXX: remove when ndk C++11 is updated
EXTRA_CXXFLAGS="-D__STDC_FORMAT_MACROS=1 -D__STDC_CONSTANT_MACROS=1 -D__STDC_LIMIT_MACROS=1"

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CPPFLAGS="-I${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${GCCVER}/include -I${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${GCCVER}/libs/${ANDROID_ABI}/include"
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#################
# Setup LDFLAGS #
#################
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EXTRA_LDFLAGS="-L${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${GCCVER}/libs/${ANDROID_ABI} -lgnustl_static"
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LDFLAGS="-Wl,-Bdynamic,-dynamic-linker=/system/bin/linker -Wl,--no-undefined"

if [ -n "$HAVE_ARM" ]; then
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    if [ ${ANDROID_ABI} = "armeabi-v7a" ]; then
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        EXTRA_PARAMS=" --enable-neon"
        LDFLAGS="$LDFLAGS -Wl,--fix-cortex-a8"
    fi
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fi

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LDFLAGS="$LDFLAGS -L${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/${GCCVER}/libs/${ANDROID_ABI}"
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# Release or not?
if [ "$RELEASE" = 1 ]; then
    OPTS=""
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    EXTRA_CFLAGS="${EXTRA_CFLAGS} -DNDEBUG "
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    NDK_DEBUG=0
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else
    OPTS="--enable-debug"
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    NDK_DEBUG=1
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fi

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echo "CFLAGS:            ${CFLAGS}"
echo "EXTRA_CFLAGS:      ${EXTRA_CFLAGS}"
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cd vlc

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###########################
# Build buildsystem tools #
###########################
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export PATH=`pwd`/extras/tools/build/bin:$PATH
echo "Building tools"
cd extras/tools
./bootstrap
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checkfail "buildsystem tools: bootstrap failed"
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make $MAKEFLAGS
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checkfail "buildsystem tools: make"
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cd ../..
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#############
# BOOTSTRAP #
#############

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if [ ! -f configure ]; then
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    echo "Bootstraping"
    ./bootstrap
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    checkfail "vlc: bootstrap failed"
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fi

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############
# Contribs #
############
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echo "Building the contribs"
mkdir -p contrib/contrib-android-${TARGET_TUPLE}

gen_pc_file() {
    echo "Generating $1 pkg-config file"
    echo "Name: $1
Description: $1
Version: $2
Libs: -l$1
Cflags:" > contrib/${TARGET_TUPLE}/lib/pkgconfig/`echo $1|tr 'A-Z' 'a-z'`.pc
}

mkdir -p contrib/${TARGET_TUPLE}/lib/pkgconfig
gen_pc_file EGL 1.1
gen_pc_file GLESv2 2

cd contrib/contrib-android-${TARGET_TUPLE}
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ANDROID_ABI=${ANDROID_ABI} ANDROID_API=${ANDROID_API} \
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    ../bootstrap --host=${TARGET_TUPLE} ${VLC_BOOTSTRAP_ARGS}
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checkfail "contribs: bootstrap failed"
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# TODO: mpeg2, theora

# Some libraries have arm assembly which won't build in thumb mode
# We append -marm to the CFLAGS of these libs to disable thumb mode
[ ${ANDROID_ABI} = "armeabi-v7a" ] && echo "NOTHUMB := -marm" >> config.mak

echo "EXTRA_CFLAGS= -g ${EXTRA_CFLAGS}" >> config.mak
echo "EXTRA_LDFLAGS= ${EXTRA_LDFLAGS}" >> config.mak

make fetch
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checkfail "contribs: make fetch failed"
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# We already have zlib available in the NDK
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[ -e .zlib ] || (mkdir -p zlib; touch .zlib)
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# gettext
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which autopoint >/dev/null || make $MAKEFLAGS .gettext
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#export the PATH
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export PATH="$PATH:$PWD/../$TARGET_TUPLE/bin"
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# Make
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make $MAKEFLAGS
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checkfail "contribs: make failed"
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cd ../../
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###################
# BUILD DIRECTORY #
###################
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if [ "${CHROME_OS}" = "1" ];then
    VLC_BUILD_DIR=build-chrome-${TARGET_TUPLE}
else
    VLC_BUILD_DIR=build-android-${TARGET_TUPLE}
fi
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mkdir -p $VLC_BUILD_DIR && cd $VLC_BUILD_DIR
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#############
# CONFIGURE #
#############

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if [ "${CHROME_OS}" = "1" ];then
    # chrome OS doesn't have eventfd
    export ac_cv_func_eventfd=no
    export ac_cv_header_sys_eventfd_h=no
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    export ac_cv_func_pipe2=no
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fi

if [ ${ANDROID_API} = "android-21" ] ; then
    # android-21 has empty sys/shm.h headers that triggers shm detection but it
    # doesn't have any shm functions and/or symbols. */
    export ac_cv_header_sys_shm_h=no
fi
if [ ${ANDROID_ABI} = "x86" -a ${ANDROID_API} != "android-21" ] ; then
    # NDK x86 libm.so has nanf symbol but no nanf definition, we don't known if
    # intel devices has nanf. Assume they don't have it.
    export ac_cv_lib_m_nanf=no
fi
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if [ ! -e ./config.h -o "$RELEASE" = 1 ]; then
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CPPFLAGS="$CPPFLAGS" \
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CFLAGS="$CFLAGS ${EXTRA_CFLAGS}" \
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CXXFLAGS="$CFLAGS ${EXTRA_CXXFLAGS}" \
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LDFLAGS="$LDFLAGS" \
CC="${CROSS_COMPILE}gcc --sysroot=${SYSROOT}" \
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CXX="${CROSS_COMPILE}g++ --sysroot=${SYSROOT} -D__cpp_static_assert=200410" \
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NM="${CROSS_COMPILE}nm" \
STRIP="${CROSS_COMPILE}strip" \
RANLIB="${CROSS_COMPILE}ranlib" \
AR="${CROSS_COMPILE}ar" \
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PKG_CONFIG_LIBDIR=../contrib/$TARGET_TUPLE/lib/pkgconfig \
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sh ../configure --host=$TARGET_TUPLE --build=x86_64-unknown-linux \
                ${EXTRA_PARAMS} ${VLC_CONFIGURE_ARGS} ${OPTS}
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checkfail "vlc: configure failed"
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fi
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############
# BUILDING #
############

echo "Building"
make $MAKEFLAGS
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checkfail "vlc: make failed"
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cd $SRC_DIR
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################################################################################
# libvlcJNI                                                                    #
################################################################################
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##################
# libVLC modules #
##################
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REDEFINED_VLC_MODULES_DIR=$SRC_DIR/.modules/${VLC_BUILD_DIR}
rm -rf ${REDEFINED_VLC_MODULES_DIR}
mkdir -p ${REDEFINED_VLC_MODULES_DIR}
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echo "Generating static module list"
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blacklist_regexp=
for i in ${VLC_MODULE_BLACKLIST}
do
    if [ -z "${blacklist_regexp}" ]
    then
        blacklist_regexp="${i}"
    else
        blacklist_regexp="${blacklist_regexp}|${i}"
    fi
done
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find_modules()
{
    echo "`find $1 -name 'lib*plugin.a' | grep -vE "lib(${blacklist_regexp})_plugin.a" | tr '\n' ' '`"
}

get_symbol()
{
    echo "$1" | grep vlc_entry_$2|cut -d" " -f 3
}

VLC_MODULES=$(find_modules vlc/$VLC_BUILD_DIR/modules)
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DEFINITION="";
BUILTINS="const void *vlc_static_modules[] = {\n";
for file in $VLC_MODULES; do
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    outfile=${REDEFINED_VLC_MODULES_DIR}/`basename $file`
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    name=`echo $file | sed 's/.*\.libs\/lib//' | sed 's/_plugin\.a//'`;
    symbols=$("${CROSS_COMPILE}nm" -g $file)

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    # assure that all modules have differents symbol names
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    entry=$(get_symbol "$symbols" _)
    copyright=$(get_symbol "$symbols" copyright)
    license=$(get_symbol "$symbols" license)
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    cat <<EOF > ${REDEFINED_VLC_MODULES_DIR}/syms
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AccessOpen AccessOpen__$name
AccessClose AccessClose__$name
StreamOpen StreamOpen__$name
StreamClose StreamClose__$name
DemuxOpen DemuxOpen__$name
DemuxClose DemuxClose__$name
OpenFilter OpenFilter__$name
CloseFilter CloseFilter__$name
Open Open__$name
Close Close__$name
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$entry vlc_entry__$name
$copyright vlc_entry_copyright__$name
$license vlc_entry_license__$name
EOF
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    ${CROSS_COMPILE}objcopy --redefine-syms ${REDEFINED_VLC_MODULES_DIR}/syms $file $outfile
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    checkfail "objcopy failed"

    DEFINITION=$DEFINITION"int vlc_entry__$name (int (*)(void *, void *, int, ...), void *);\n";
    BUILTINS="$BUILTINS vlc_entry__$name,\n";
done;
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BUILTINS="$BUILTINS NULL\n};\n"; \
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printf "/* Autogenerated from the list of modules */\n#include <unistd.h>\n$DEFINITION\n$BUILTINS\n" > libvlc/jni/libvlcjni-modules.c

DEFINITION=""
BUILTINS="const void *libvlc_functions[] = {\n";
for func in `cat vlc/lib/libvlc.sym`
do
    DEFINITION=$DEFINITION"int $func(void);\n";
    BUILTINS="$BUILTINS $func,\n";
done
BUILTINS="$BUILTINS NULL\n};\n"; \
printf "/* Autogenerated from the list of modules */\n#include <unistd.h>\n$DEFINITION\n$BUILTINS\n" > libvlc/jni/libvlcjni-symbols.c
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rm ${REDEFINED_VLC_MODULES_DIR}/syms
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############################################
# NDK-Build for libvlc.so and libvlcjni.so #
############################################
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LIBVLC_LIBS="libvlcjni"
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VLC_MODULES=$(find_modules ${REDEFINED_VLC_MODULES_DIR})
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VLC_SRC_DIR="$SRC_DIR/vlc"
ANDROID_SYS_HEADERS="$SRC_DIR/android-headers"
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VLC_CONTRIB="$VLC_SRC_DIR/contrib/$TARGET_TUPLE"
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if [ "${CHROME_OS}" != "1" ];then
    if [ "${HAVE_64}" != 1 ];then
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        # Can't link with 32bits symbols.
        # Not a problem since MediaCodec should work on 64bits devices (android-21)
        LIBIOMX_LIBS="libiomx.14 libiomx.13 libiomx.10"
        LIBANW_LIBS="libanw.10 libanw.13 libanw.14 libanw.18"
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    fi
    # (after android Jelly Bean, we prefer to use MediaCodec instead of iomx)
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    # LIBIOMX_LIBS="${LIBIOMX_LIBS} libiomx.19 libiomx.18"
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    LIBANW_LIBS="$LIBANW_LIBS libanw.21"
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fi
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echo "Building NDK"

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$ANDROID_NDK/ndk-build -C libvlc \
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    VLC_SRC_DIR="$VLC_SRC_DIR" \
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    ANDROID_SYS_HEADERS="$ANDROID_SYS_HEADERS" \
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    VLC_BUILD_DIR="$VLC_SRC_DIR/$VLC_BUILD_DIR" \
    VLC_CONTRIB="$VLC_CONTRIB" \
    VLC_MODULES="$VLC_MODULES" \
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    TARGET_CFLAGS="$EXTRA_CFLAGS" \
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    EXTRA_LDFLAGS="$EXTRA_LDFLAGS" \
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    LIBVLC_LIBS="$LIBVLC_LIBS" \
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    LIBIOMX_LIBS="$LIBIOMX_LIBS" \
    LIBANW_LIBS="$LIBANW_LIBS" \
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    APP_BUILD_SCRIPT=jni/Android.mk \
    APP_PLATFORM=${ANDROID_API} \
    APP_ABI=${ANDROID_ABI} \
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    SYSROOT=${SYSROOT} \
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    TARGET_TUPLE=$TARGET_TUPLE \
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    HAVE_64=${HAVE_64} \
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    NDK_PROJECT_PATH=jni \
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    NDK_TOOLCHAIN_VERSION=${GCCVER} \
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    NDK_DEBUG=${NDK_DEBUG}
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checkfail "ndk-build failed"

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if [ "${ANDROID_API}" = "android-9" ] && [ "${ANDROID_ABI}" = "armeabi-v7a" -o "${ANDROID_ABI}" = "armeabi" ] ; then
    $ANDROID_NDK/ndk-build -C libvlc \
        APP_BUILD_SCRIPT=libcompat/Android.mk \
        APP_PLATFORM=${ANDROID_API} \
        APP_ABI="armeabi" \
        NDK_PROJECT_PATH=libcompat \
        NDK_TOOLCHAIN_VERSION=${GCCVER} \
        NDK_DEBUG=${NDK_DEBUG}
    checkfail "ndk-build compat failed"
fi

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DBG_LIB_DIR=libvlc/jni/obj/local/${ANDROID_ABI}
OUT_LIB_DIR=libvlc/jni/libs/${ANDROID_ABI}
VERSION=$(grep "android:versionName" vlc-android/AndroidManifest.xml|cut -d\" -f 2)
OUT_DBG_DIR=.dbg/${ANDROID_ABI}/$VERSION

echo "Dumping dbg symbols info ${OUT_DBG_DIR}"

mkdir -p $OUT_DBG_DIR
for lib in ${DBG_LIB_DIR}/*.so; do
    ${CROSS_COMPILE}objcopy --only-keep-debug "$lib" "$OUT_DBG_DIR/`basename $lib.dbg`"; \
done
for lib in ${OUT_LIB_DIR}/*.so; do
    ${CROSS_COMPILE}objcopy --add-gnu-debuglink="$OUT_DBG_DIR/`basename $lib.dbg`" "$lib" ; \
done