#!/bin/sh
set -e

#
# See: http://boinc.berkeley.edu/trac/wiki/AndroidBuildClient#
#

# Script to compile BOINC for Android

STDOUT_TARGET="${STDOUT_TARGET:-/dev/stdout}"
COMPILEBOINC="yes"
CONFIGURE="yes"
MAKECLEAN="yes"
VERBOSE="${VERBOSE:-no}"
NPROC_USER="${NPROC_USER:-1}"

export BOINC=".." #BOINC source code

export ANDROID_TC="${ANDROID_TC:-$HOME/android-tc}"
export ANDROIDTC="${ANDROID_TC_ARMV6:-$ANDROID_TC/armv6}"
export TCBINARIES="$ANDROIDTC/bin"
export TCINCLUDES="$ANDROIDTC/arm-linux-androideabi"
export TCSYSROOT="$ANDROIDTC/sysroot"
export STDCPPTC="$TCINCLUDES/lib/libstdc++.a"
export VCPKG_DIR=$VCPKG_ROOT/installed/armv6-android

CONFIG_FLAGS=""
CONFIG_LDFLAGS=""

if [ $BUILD_WITH_VCPKG = "yes" ]; then
    CONFIG_LDFLAGS="-L$VCPKG_DIR/lib"
    CONFIG_FLAGS="--with-ssl=$VCPKG_DIR --with-libcurl=$VCPKG_DIR"
    export _libcurl_pc="$VCPKG_DIR/lib/pkgconfig/libcurl.pc"
else
    CONFIG_FLAGS="--with-ssl=$TCINCLUDES --with-libcurl=$TCINCLUDES"
    CONFIG_LDFLAGS="-L$TCSYSROOT/usr/lib -L$TCINCLUDES/lib"
    export _libcurl_pc="$TCINCLUDES/lib/pkgconfig/libcurl.pc"
fi

export PATH="$TCBINARIES:$TCINCLUDES/bin:$PATH"
export CC=arm-linux-androideabi-clang
export CXX=arm-linux-androideabi-clang++
export LD=arm-linux-androideabi-ld
export CFLAGS="--sysroot=$TCSYSROOT -DANDROID -DDECLARE_TIMEZONE -Wall -I$TCINCLUDES/include -O3 -fomit-frame-pointer -fPIE -march=armv6 -mfloat-abi=softfp -mfpu=vfp -D__ANDROID_API__=16 -DARMV6"
export CXXFLAGS="--sysroot=$TCSYSROOT -DANDROID -Wall -I$TCINCLUDES/include -funroll-loops -fexceptions -O3 -fomit-frame-pointer -fPIE -march=armv6 -mfloat-abi=softfp -mfpu=vfp -D__ANDROID_API__=16 -DARMV6"
export LDFLAGS="$CONFIG_LDFLAGS -L$TCSYSROOT/usr/lib -L$TCINCLUDES/lib -llog -fPIE -pie -static-libstdc++ -march=armv6 -lc++_static -lc++abi -landroid_support -lunwind -latomic"
export GDB_CFLAGS="--sysroot=$TCSYSROOT -Wall -g -I$TCINCLUDES/include"

# Prepare android toolchain and environment
./build_androidtc_armv6.sh

MAKE_FLAGS=""

if [ $VERBOSE = "no" ]; then
    MAKE_FLAGS="$MAKE_FLAGS --silent"
else
    MAKE_FLAGS="$MAKE_FLAGS SHELL=\"/bin/bash -x\""
fi

if [ $CI = "yes" ]; then
    MAKE_FLAGS="$MAKE_FLAGS -j $(nproc --all)"
else
    MAKE_FLAGS="$MAKE_FLAGS -j $NPROC_USER"
fi

if [ -n "$COMPILEBOINC" ]; then
    cd "$BOINC"
    echo "===== building BOINC for armv6 from $PWD ====="
    if [ -n "$MAKECLEAN" ] && [ -f "Makefile" ]; then
        if [ "$VERBOSE" = "no" ]; then
            make distclean 1>$STDOUT_TARGET 2>&1
        else
            make distclean SHELL="/bin/bash -x"
        fi
    fi
    if [ -n "$CONFIGURE" ]; then
        ./_autosetup
        if [ $BUILD_WITH_VCPKG = "yes" ]; then
            export _libcurl_pc="$VCPKG_DIR/lib/pkgconfig/libcurl.pc"
        fi
        ./configure --host=armv6-linux --with-boinc-platform="arm-android-linux-gnu" $CONFIG_FLAGS --disable-server --disable-manager --disable-shared --enable-static --disable-largefile
        sed -e "s%^CLIENTLIBS *= *.*$%CLIENTLIBS = -lm $STDCPPTC%g" client/Makefile > client/Makefile.out
        mv client/Makefile.out client/Makefile
    fi
    echo MAKE_FLAGS=$MAKE_FLAGS
    make $MAKE_FLAGS
    make stage $MAKE_FLAGS

    echo "Stripping Binaries"
    cd stage/usr/local/bin
    arm-linux-androideabi-strip *
    cd ../../../../

    echo "Copy Assets"
    cd android
    mkdir -p "BOINC/app/src/main/assets"
    cp "$BOINC/stage/usr/local/bin/boinc" "BOINC/app/src/main/assets/armeabi/boinc"
    cp "$BOINC/win_build/installerv2/redist/all_projects_list.xml" "BOINC/app/src/main/assets/all_projects_list.xml"
    cp "$BOINC/curl/ca-bundle.crt" "BOINC/app/src/main/assets/ca-bundle.crt"

    echo "\e[1;32m===== BOINC for armv6 build done =====\e[0m"

fi