build-common 5.15 KB
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#!/bin/sh

# 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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echo "MAKEFLAGS: ${MAKEFLAGS}"

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#########
# FLAGS #
#########
if [ "${ANDROID_ABI}" = "arm" ] ; then
    ANDROID_ABI="armeabi-v7a"
elif [ "${ANDROID_ABI}" = "arm64" ] ; then
    ANDROID_ABI="arm64-v8a"
fi

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

# try to detect NDK version
REL=$(grep -o '^Pkg.Revision.*[0-9]*.*' $ANDROID_NDK/source.properties |cut -d " " -f 3 | cut -d "." -f 1)

if [ "$REL" -eq 18 ]; then
    if [ "${HAVE_64}" = 1 ]; then
        ANDROID_API=21
    else
        ANDROID_API=17
    fi
else
    echo "NDK v18 needed, cf. https://developer.android.com/ndk/downloads/"
    exit 1
fi

NDK_FORCE_ARG=
NDK_TOOLCHAIN_DIR=${PWD}/toolchains/${PLATFORM_SHORT_ARCH}
NDK_TOOLCHAIN_PROPS=${NDK_TOOLCHAIN_DIR}/source.properties
NDK_TOOLCHAIN_PATH=${NDK_TOOLCHAIN_DIR}/bin

if [ "`cat \"${NDK_TOOLCHAIN_PROPS}\" 2>/dev/null`" != "`cat \"${ANDROID_NDK}/source.properties\"`" ];then
     echo "NDK changed, making new toolchain"
     NDK_FORCE_ARG="--force"
fi

$ANDROID_NDK/build/tools/make_standalone_toolchain.py \
    --arch ${PLATFORM_SHORT_ARCH} \
    --api ${ANDROID_API} \
    --stl libc++ \
    ${NDK_FORCE_ARG} \
    --install-dir ${NDK_TOOLCHAIN_DIR} 2> /dev/null
if [ ! -d ${NDK_TOOLCHAIN_PATH} ];
then
    echo "make_standalone_toolchain.py failed"
    exit 1
fi

if [ ! -z "${NDK_FORCE_ARG}" ];then
    # Don't mess up nl_langinfo() detection since this symbol is not present for 64
    # bits
    if [ "${HAVE_64}" = 1 ];then
        rm ${NDK_TOOLCHAIN_DIR}/sysroot/usr/local/include/langinfo.h
    fi
fi

if [ ! -z "${NDK_FORCE_ARG}" ];then
    cp "$ANDROID_NDK/source.properties" "${NDK_TOOLCHAIN_PROPS}"
fi

# Add the NDK toolchain to the PATH, needed both for contribs and for building
# stub libraries
CROSS_TOOLS=${NDK_TOOLCHAIN_PATH}/${TARGET_TUPLE}-

export PATH="${NDK_TOOLCHAIN_PATH}:${PATH}"
ON_WINDOWS=0
if [ ! -z "$MSYSTEM_PREFIX" ] ; then
    # The make.exe and awk.exe from the toolchain don't work in msys
    export PATH="$MSYSTEM_PREFIX/bin:/usr/bin:${NDK_TOOLCHAIN_PATH}:${PATH}"
    ON_WINDOWS=1
fi

##########
# CFLAGS #
##########

VLC_CFLAGS="-std=gnu11"
VLC_CXXFLAGS="-std=gnu++11"
if [ "$NO_OPTIM" = "1" ];
then
     VLC_CFLAGS="${VLC_CFLAGS} -g -O0"
     VLC_CXXFLAGS="${VLC_CXXFLAGS} -g -O0"
else
     VLC_CFLAGS="${VLC_CFLAGS} -g -O2"
     VLC_CXXFLAGS="${VLC_CXXFLAGS} -g -O2"
fi

VLC_CFLAGS="${VLC_CFLAGS} -fstrict-aliasing -funsafe-math-optimizations"
VLC_CXXFLAGS="${VLC_CXXFLAGS} -fstrict-aliasing -funsafe-math-optimizations"

# Setup CFLAGS per ABI
if [ "${ANDROID_ABI}" = "armeabi-v7a" ] ; then
    EXTRA_CFLAGS="-march=armv7-a -mfpu=neon -mcpu=cortex-a8"
    EXTRA_CFLAGS="${EXTRA_CFLAGS} -mthumb -mfloat-abi=softfp"
elif [ "${ANDROID_ABI}" = "x86" ] ; then
    EXTRA_CFLAGS="-mtune=atom -msse3 -mfpmath=sse -m32"
fi

EXTRA_CFLAGS="${EXTRA_CFLAGS} -MMD -MP -fpic -ffunction-sections -funwind-tables \
-fstack-protector-strong -Wno-invalid-command-line-argument -Wno-unused-command-line-argument \
-no-canonical-prefixes -fno-integrated-as"
EXTRA_CXXFLAGS="${EXTRA_CXXFLAGS} -fexceptions -frtti"
EXTRA_CXXFLAGS="${EXTRA_CXXFLAGS} -D__STDC_FORMAT_MACROS=1 -D__STDC_CONSTANT_MACROS=1 -D__STDC_LIMIT_MACROS=1"

#################
# Setup LDFLAGS #
#################

EXTRA_LDFLAGS="${VLC_LDFLAGS}"
if [ ${ANDROID_ABI} = "armeabi-v7a" ]; then
        EXTRA_PARAMS=" --enable-neon"
        EXTRA_LDFLAGS="${EXTRA_LDFLAGS} -Wl,--fix-cortex-a8"
fi
NDK_LIB_DIR="${NDK_TOOLCHAIN_DIR}/${TARGET_TUPLE}/lib"
if [ "${PLATFORM_SHORT_ARCH}" = "x86_64" ];then
    NDK_LIB_DIR="${NDK_LIB_DIR}64"
elif [ "${PLATFORM_SHORT_ARCH}" = "arm" ]; then
    NDK_LIB_DIR="${NDK_LIB_DIR}/armv7-a"
fi

EXTRA_LDFLAGS="${EXTRA_LDFLAGS} -L${NDK_LIB_DIR} -lc++abi"
VLC_LDFLAGS="${EXTRA_LDFLAGS}"

# Release or not?
if [ "$RELEASE" = 1 ]; then
    OPTS=""
    EXTRA_CFLAGS="${EXTRA_CFLAGS} -DNDEBUG "
    NDK_DEBUG=0
else
    OPTS="--enable-debug"
    NDK_DEBUG=1
fi

if [ "${ASAN}" = 1 ];then
    VLC_CFLAGS="${VLC_CFLAGS} -O0 -fno-omit-frame-pointer -fsanitize=address"
    VLC_CXXFLAGS="${VLC_CXXFLAGS} -O0 -fno-omit-frame-pointer -fsanitize=address"
    VLC_LDFLAGS="${VLC_LDFLAGS} -ldl -fsanitize=address"
fi

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

echo "ABI:        $ANDROID_ABI"
echo "API:        $ANDROID_API"
echo "PATH:       $PATH"

echo "EXTRA_CFLAGS:      ${EXTRA_CFLAGS}"
echo "VLC_CFLAGS:        ${VLC_CFLAGS}"
echo "VLC_CXXFLAGS:      ${VLC_CXXFLAGS}"

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echo ok