#!/bin/sh
export NDKROOT=/home/notroot/android-ndk-r17b
#ndk root now could be installed in Android SDK manager/Extras/NDK Bundle; should be $ANDROID_HOME/ndk_bundle
echo "NKDROOT: " $NDKROOT

export ANRDOID_TOOLCHAIN="arm-linux-androideabi-4.9"

# Set up toolchain paths.
#
# For ARM
export AR=$NDKROOT/toolchains/$ANRDOID_TOOLCHAIN/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ar
export LD=$NDKROOT/toolchains/$ANRDOID_TOOLCHAIN/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ld
export CC=$NDKROOT/toolchains/$ANRDOID_TOOLCHAIN/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc
export CXX=$NDKROOT/toolchains/$ANRDOID_TOOLCHAIN/prebuilt/linux-x86_64/bin/arm-linux-androideabi-g++
export RANLIB=$NDKROOT/toolchains/$ANRDOID_TOOLCHAIN/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ranlib

echo "AR: " $AR
echo "LD: " $LD
echo "CC: " $CC
echo "CXX: " $CXX

[[ ! -d "$NDKROOT" || ! -f "$AR" || ! -f "$LD" || ! -f "$CC" || ! -f "$CXX" ]] && echo "Make sure AR, LD, CC, CXX variables are defined correctly. Ensure NDKROOT is defined also" && exit -1

./autogen.sh

# for ARM
ANDROID_PLATFORM=android-17
ANDROID_SYSROOT="$NDKROOT/platforms/${ANDROID_PLATFORM}/arch-arm"
echo "SYSROOT: " $ANDROID_SYSROOT

ANDROID_INCLUDE="$NDKROOT/sysroot/usr/include"
echo "ANDROID_INCLUDE: " $ANDROID_INCLUDE

ANDROID_SYSTEM="$NDKROOT/sysroot/usr/include/arm-linux-androideabi"
echo "ANDROID_SYSTEM: " $ANDROID_SYSTEM

export HWKIND=generic
export CPPFLAGS="-D__ANDROID_API__=21 --sysroot=$ANDROID_SYSROOT -I$ANDROID_INCLUDE -isystem $ANDROID_SYSTEM -DANDROID_HARDWARE_$HWKIND"
export CFLAGS="-D__ANDROID_API__=21 --sysroot=$ANDROID_SYSROOT -I$ANDROID_INCLUDE -isystem $ANDROID_SYSTEM -DANDROID_HARDWARE_$HWKIND"

./configure \
    --prefix=/data/local/Inst \
    --host=armv7-unknown-linux --target=armv7-unknown-linux \
    --with-tmpdir=/sdcard

if [ $? -ne 0 ]
then
    exit 1
else
    echo "configure success!"
fi
# note: on android emulator, android-14 platform was also tested and works.
# It is not clear what this platform nr really is.

make -j7
if [ $? -ne 0 ]
then
    exit 1
else
    echo "build success!"
fi

#install in source_code/Inst dir
make -j7 install DESTDIR=`pwd`/Inst