#!/bin/bash
#
# script to compile yap for Android.
#
# variables are
#
# SDK_ROOT: where is the SDK
# NDK_ROOT: and the NDK
# GMPDIR: get your copy of GMP from 
# BUILDDROID: where we want to compile yap


# ANDROID_RELEASE= 17 is 4.2.2, 19 is 4.4.2
ANDROID_RELEASE=19
# ANDROID_ARCH= arm, x86, mips
ANDROID_ARCH=arm
# ANDROID_BUILD=linux
ANDROID_BUILD=linux

# what android to compile for
ANDROID_IMAGE=first

# YAP_SRC="$HOME/Yap/yap-6.3"
if test -d "$HOME/git/yap-6.3"
then
  export YAP_SRC="$HOME/git/yap-6.3"
elif test -d "$HOME/Yap/yap-6.3"
then
  export YAP_SRC="$HOME/Yap/yap-6.3"
fi

# check if the SDK is at the usual locations

if test -d $HOME/Yap/android-sdk-"$ANDROID_BUILD"
then
  export SDK_ROOT=$HOME/Yap/android-sdk-"$ANDROID_BUILD"
else
  export SDK_ROOT=/scratch/vitor/android-sdk-"$ANDROID_BUILD"
fi

# check if the NDK is at the usual locations
if test -d $HOME/Yap/android-ndk-r9d
then
  export NDK_ROOT=$HOME/Yap/android-ndk-r9d
elif test -d /scratch/vitor/android-ndk-r9d
then
  export NDK_ROOT=/scratch/vitor/android-ndk-r9d
fi

# fetch GMP from https://github.com/Rupan/gmp,
# or compile it.
if test -d /scratch
then
  export GMPDIR=/scratch/vitor/gmp-android
else
  export GMPDIR="$HOME"/Yap/gmp-android
fi

#where I want to compile
#export BUILDTOOLCHAIN="$HOME/Yap/my-android-toolchain"
if test -d /scratch
then
  export BUILDTOOLCHAIN="/scratch/vitor/my-android-toolchain"
  export BUILDDROID="/scratch/vitor/yap-android"
else
  export BUILDTOOLCHAIN="$HOME/Yap/my-android-toolchain"
    export BUILDDROID="$HOME/Yap/bins/android"
fi

# which gcc to use
GCC_VERSION=4.8

#========================================================
# should be fine
#========================================================

export ANDROID_NDK_ROOT="$NDK_ROOT"/
export ANDROID_SYSROOT="$NDK_ROOT"/platforms/android-"$ANDROID_RELEASE"/arch-"$ANDROID_ARCH"

# which platform to compile for
ANDROID_PLATFORM=android-"$ANDROID_RELEASE"
# which disk
IMAGE="$ANDROID_IMAGE"

export PATH="$BUILDTOOLCHAIN"/bin:"$NDK_ROOT":"$SDK_ROOT/tools":"$SDK_ROOT/platform-tools":$PATH

echo $PATH

if test -d "$BUILDTOOLCHAIN"
then
  echo using the setup at "$BUILDTOOLCHAIN"
else
  "$NDK_ROOT"/build/tools/make-standalone-toolchain.sh \
                                 --platform="$ANDROID_PLATFORM" \
                                 --toolchain="$ANDROID_ARCH"-"$ANDROID_BUILD"-androideabi-"$GCC_VERSION" \
                                 --install-dir="$BUILDTOOLCHAIN"
fi


mkdir -p $BUILDDROID

cd $BUILDDROID

if test x$1 = xmake
then
  make -j install
  rm -r packages/swig/android
elif test x$1 = xenv
then
  return 0
elif test x$1 = xeclipse
then
   emulator -avd $IMAGE &
   "$ECLIPSE"eclipse &
   return 0
else
  EMS=`ps -ef | grep emulator64| grep -v grep`
  if test x"$EMS" = x
  then 
    emulator -avd $IMAGE &
  fi
  rm -rf "$BUILDDROID"/*
  cd "$BUILDDROID" 
  "$YAP_SRC"/configure --host="$ANDROID_ARCH"-"$ANDROID_BUILD"-androideabi --prefix=`pwd` --enable-low-level-tracer --enable-debug-yap --enable-dynamic-loading --with-swig --with-gmp=$GMPDIR  --disable-chr #--enable-threads
  make depend
  make -j install
fi
cd packages/swig
mkdir -p "$ANDROID_NDK_ROOT"/build/core/lib
make android
make install-android
adb uninstall pt.up.fc.dcc.yap
adb install android/bin/JavaYap-debug.apk