android-configure

#!/bin/bash

# In order to cross-compile node for Android using NDK, run:
#   source android-configure <path_to_ndk> [arch]
#
# By running android-configure with source, will allow environment variables to
# be persistent in current session. This is useful for installing native node
# modules with npm. Also, don't forget to set the arch in npm config using
# 'npm config set arch=<arch>'


if [ -z "$2" ]; then
    ARCH=arm
else
    ARCH="$2"
fi

CC_VER="4.9"
case $ARCH in
    arm)
        DEST_CPU="$ARCH"
        V8_ARCH="$ARCH"
        SUFFIX="$ARCH-linux-androideabi"
        TOOLCHAIN_NAME="$SUFFIX"
        ;;
    x86)
        DEST_CPU="ia32"
        V8_ARCH="ia32"
        SUFFIX="i686-linux-android"
        TOOLCHAIN_NAME="$ARCH"
        ;;
    x86_64)
        DEST_CPU="x64"
        V8_ARCH="x64"
        SUFFIX="$ARCH-linux-android"
        TOOLCHAIN_NAME="$ARCH"
        ;;
    arm64)
        DEST_CPU="arm64"
        V8_ARCH="arm64"
        SUFFIX="aarch64-linux-android"
        TOOLCHAIN_NAME="aarch64"
        ;;
    *)
        echo "Unsupported architecture provided: $ARCH"
        exit 1
        ;;
esac

NDK_PATH=$1
function make_toolchain {
    $NDK_PATH/build/tools/make-standalone-toolchain.sh \
         --toolchain=$TOOLCHAIN_NAME-$CC_VER \
        --arch=$ARCH \
        --install-dir=$TOOLCHAIN \
        --stl=libc++ \
        --force \
        --platform=android-21
}

export TOOLCHAIN=$PWD/android-toolchain
if [ -d "$TOOLCHAIN" ]; then
    read -r -p "NDK toolchain already exists. Replace it?  [y/N]" response
    case "$response" in
        [Yy])
            rm -rf "$TOOLCHAIN"
            make_toolchain
    esac
else
    make_toolchain
fi

export AR_host="$(which ar)"
export AR=$TOOLCHAIN/bin/$SUFFIX-ar
export AR_target=$TOOLCHAIN/bin/$SUFFIX-ar
export CC_target=$TOOLCHAIN/bin/$SUFFIX-gcc
export CXX_target=$TOOLCHAIN/bin/$SUFFIX-g++
export LINK_target=$TOOLCHAIN/bin/$SUFFIX-g++

GYP_DEFINES="target_arch=$ARCH"
GYP_DEFINES+=" v8_target_arch=$V8_ARCH"
GYP_DEFINES+=" android_target_arch=$ARCH"
if [ "$(uname -s)" == "Darwin" ]; then
    GYP_DEFINES+=" host_os=mac target_os=android"
else
    GYP_DEFINES+=" host_os=linux target_os=android"
fi
export GYP_DEFINES

if [ -f "configure" ]; then
    ./configure \
        --dest-cpu=$DEST_CPU \
        --dest-os=android \
        --openssl-no-asm \
        --with-intl=none \
        --cross-compiling \
        --shared
fi