compile-libvlc.sh 11.3 KB
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#!/bin/sh

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#############
# ARGUMENTS #
#############
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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 set ANDROID_ABI to your architecture:
    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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if [ -z "$SYSROOT" ]; then
    echo "Please set the right SYSROOT"
    exit 1
fi

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RELEASE=0
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for i in ${@}; do
    case "$i" in
        release|--release)
        RELEASE=1
        ;;
        *)
        ;;
    esac
done

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

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# Set up ABI variables
if [ ${ANDROID_ABI} = "x86" ] ; then
    TARGET_TUPLE="i686-linux-android"
    PATH_HOST="x86"
elif [ ${ANDROID_ABI} = "x86_64" ] ; then
    TARGET_TUPLE="x86_64-linux-android"
    PATH_HOST="x86_64"
    HAVE_64=1
elif [ ${ANDROID_ABI} = "mips" ] ; then
    TARGET_TUPLE="mipsel-linux-android"
    PATH_HOST=$TARGET_TUPLE
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elif [ ${ANDROID_ABI} = "mips64" ] ; then
    TARGET_TUPLE="mips64el-linux-android"
    PATH_HOST=$TARGET_TUPLE
    HAVE_64=1
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elif [ ${ANDROID_ABI} = "arm64-v8a" ] ; then
    TARGET_TUPLE="aarch64-linux-android"
    PATH_HOST=$TARGET_TUPLE
    HAVE_ARM=1
    HAVE_64=1
else
    TARGET_TUPLE="arm-linux-androideabi"
    PATH_HOST=$TARGET_TUPLE
    HAVE_ARM=1
fi

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###############
# DISPLAY ABI #
###############
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echo "ABI:        $ANDROID_ABI"
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echo "SYSROOT:    $SYSROOT"
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if [ ! -z "$NO_FPU" ]; then
echo "FPU:        NO"
fi
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if [ ! -z "$ARMV5" ]; then
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echo "ARMv5:       YES"
fi

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# try to detect NDK version
REL=$(grep -o '^r[0-9]*.*' $ANDROID_NDK/RELEASE.TXT 2>/dev/null|cut -b2-)
case "$REL" in
    10*)
        if [ "${HAVE_64}" = 1 ];then
            GCCVER=4.9
            ANDROID_API=android-21
        else
            GCCVER=4.8
            ANDROID_API=android-9
        fi
    ;;
    *)
        echo "You need the NDKv10 or later"
        exit 1
    ;;
esac


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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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CFLAGS="-g -O2 -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 [ ${ANDROID_ABI} = "armeabi-v7a" ] ; then
    EXTRA_CFLAGS="-mfpu=vfpv3-d16 -mcpu=cortex-a8"
    EXTRA_CFLAGS="${EXTRA_CFLAGS} -mthumb -mfloat-abi=softfp"
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
elif [ ${ANDROID_ABI} = "x86" ] ; then
    EXTRA_CFLAGS="-march=pentium -m32"
elif [ ${ANDROID_ABI} = "mips" ] ; then
    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
else
    echo "Unknown ABI. Die, die, die!"
    exit 2
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/${ANDROID_ABI}/include"
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CPPFLAGS="-I${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 #
#################
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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else
    OPTS="--enable-debug"
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 #
###########################
export PATH=`pwd`/extras/tools/build/bin:$PATH
echo "Building tools"
cd extras/tools
./bootstrap
make $MAKEFLAGS
cd ../..
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#############
# BOOTSTRAP #
#############

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

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############
# Contribs #
############
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-${TARGET_TUPLE}
../bootstrap --host=${TARGET_TUPLE} --disable-disc --disable-sout \
    --enable-dvdread \
    --enable-dvdnav \
    --disable-dca \
    --disable-goom \
    --disable-chromaprint \
    --disable-lua \
    --disable-schroedinger \
    --disable-sdl \
    --disable-SDL_image \
    --disable-fontconfig \
    --enable-zvbi \
    --disable-kate \
    --disable-caca \
    --disable-gettext \
    --disable-mpcdec \
    --disable-upnp \
    --disable-gme \
    --disable-tremor \
    --enable-vorbis \
    --disable-sidplay2 \
    --disable-samplerate \
    --disable-faad2 \
    --disable-harfbuzz \
    --enable-iconv \
    --disable-aribb24 \
    --disable-aribb25 \
    --disable-mpg123 \
    --enable-libdsm

# 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= ${EXTRA_LDFLAGS}" >> config.mak
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export VLC_EXTRA_CFLAGS="${EXTRA_CFLAGS}"                   # Makefile
export VLC_EXTRA_LDFLAGS="${EXTRA_LDFLAGS}"                 # Makefile
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make fetch
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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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cd ../../
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###################
# BUILD DIRECTORY #
###################
mkdir -p build-android-${TARGET_TUPLE} && cd build-android-${TARGET_TUPLE}

#############
# CONFIGURE #
#############

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ANDROID_BIN=`echo $ANDROID_NDK/toolchains/${PATH_HOST}-${GCCVER}/prebuilt/\`uname|tr A-Z a-z\`-*/bin/`
CROSS_COMPILE=${ANDROID_BIN}/${TARGET_TUPLE}-

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CPPFLAGS="$CPPFLAGS" \
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CFLAGS="$CFLAGS ${VLC_EXTRA_CFLAGS} ${EXTRA_CFLAGS}" \
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CXXFLAGS="$CFLAGS" \
LDFLAGS="$LDFLAGS" \
CC="${CROSS_COMPILE}gcc --sysroot=${SYSROOT}" \
CXX="${CROSS_COMPILE}g++ --sysroot=${SYSROOT}" \
NM="${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 \
sh ../configure --host=$TARGET_TUPLE --build=x86_64-unknown-linux $EXTRA_PARAMS \
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                --disable-nls \
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                --enable-live555 --enable-realrtsp \
                --enable-avformat \
                --enable-swscale \
                --enable-avcodec \
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                --enable-opus \
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                --enable-opensles \
                --enable-android-surface \
                --enable-mkv \
                --enable-taglib \
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                --enable-dvbpsi \
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                --disable-vlc --disable-shared \
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                --disable-update-check \
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                --disable-vlm \
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                --disable-dbus \
                --disable-lua \
                --disable-vcd \
                --disable-v4l2 \
                --disable-gnomevfs \
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                --enable-dvdread \
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                --enable-dvdnav \
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                --disable-bluray \
                --disable-linsys \
                --disable-decklink \
                --disable-libva \
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                --disable-dv1394 \
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                --disable-mod \
                --disable-sid \
                --disable-gme \
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                --disable-tremor \
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                --enable-mad \
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                --disable-dca \
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                --disable-sdl-image \
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                --enable-zvbi \
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                --disable-fluidsynth \
                --disable-jack \
                --disable-pulse \
                --disable-alsa \
                --disable-samplerate \
                --disable-sdl \
                --disable-xcb \
                --disable-atmo \
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                --disable-qt \
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                --disable-skins2 \
                --disable-mtp \
                --disable-notify \
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                --enable-libass \
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                --disable-svg \
                --disable-udev \
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                --enable-libxml2 \
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                --disable-caca \
                --disable-glx \
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                --enable-egl \
                --enable-gles2 \
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                --disable-goom \
                --disable-projectm \
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                --disable-sout \
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                --enable-vorbis \
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                --disable-faad \
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                --disable-x264 \
                --disable-schroedinger --disable-dirac \
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                $OPTS
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# ANDROID NDK FIXUP (BLAME GOOGLE)
config_undef ()
{
    unamestr=`uname`
    if [[ "$unamestr" == 'Darwin' ]]; then
        previous_change=`stat -f "%Sm" -t "%y%m%d%H%M.%S" config.h`
        sed -i '' 's,#define '$1' 1,/\* #undef '$1' \*/,' config.h
        touch -t "$previous_change" config.h
    else
        previous_change=`stat -c "%y" config.h`
        sed -i 's,#define '$1' 1,/\* #undef '$1' \*/,' config.h
        # don't change modified date in order to don't trigger a full build
        touch -d "$previous_change" config.h
    fi
}

# if config dependencies change, ./config.status
# is run and overwrite previously hacked config.h. So call make config.h here
# and hack config.h after.

make $MAKEFLAGS config.h

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.
    config_undef HAVE_NANF
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. */
    config_undef HAVE_SYS_SHM_H
fi
# END OF ANDROID NDK FIXUP

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############
# BUILDING #
############

echo "Building"
make $MAKEFLAGS