#!/bin/bash
#
#  This file is part of nzbget
#
#  Copyright (C) 2015 Andrey Prygunkov <hugbug@users.sourceforge.net>
#
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software
#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
#
# $Revision: 1283 $
# $Date: 2015-05-11 22:53:04 +0200 (Mon, 11 May 2015) $
#

# Setup strict bash error handling
set -o nounset
set -o errexit

# Uncomment next line for debuging
#set -x

ALLTARGETS="i686 x86_64 armel armhf mipsel mipseb ppc6xx ppc500"
ROOT=`pwd`
OUTPUTDIR=$ROOT/setup
BUILDDIR=temp

echo "Usage:"
echo "  $(basename $0) [targets] [clean] [unpacker]"
echo "     unpacker  - unrar, 7zip."
echo


# Parsing command line

TARGETS=""
CLEAN=no
UNPACKERS=""

for PARAM in "$@"
do
    case $PARAM in
        clean|cleanup)
            CLEAN=yes
            ;;
        unrar|7zip)
            # using xargs to trim spaces
            UNPACKERS=`echo "$UNPACKERS $PARAM" | xargs`
            ;;
        *)
            if [ -d toolchain/$PARAM ]; then
                TARGETS=`echo "$TARGETS $PARAM" | xargs`
            else
                echo "Invalid parameter: $PARAM"
                exit 1
            fi
            ;;
    esac

done

if [ "$TARGETS" == "" ]; then
    TARGETS="$ALLTARGETS"
fi

if [ "$UNPACKERS" == "" ]; then
    UNPACKERS="unrar 7zip"
fi

echo "Active configuration:"
echo "  targets   : $TARGETS"
echo "  unpackers : $UNPACKERS"
echo "  cleanup   : $CLEAN"
echo 


# Building

for UNPACKER in $UNPACKERS; do

case $UNPACKER in
    unrar)
        EXENAME=unrar
        ;;
    7zip)
        EXENAME=7za
        ;;
esac

if [ "$CLEAN" == "yes" ]; then
    rm -r -f $OUTPUTDIR/$EXENAME-*
fi


for TARGET in $TARGETS; do

    case $TARGET in
        mipsel|i?86|x86_64)
            ARCH=$TARGET
            ENDIAN=little
            ;;
        mipseb)
            ARCH=mips
            ENDIAN=big
            ;;
        arm*)
            ARCH=arm
            ENDIAN=little
            ;;
        ppc*)
            ARCH=powerpc
            ENDIAN=big
            ;;
    esac

    TOOLCHAIN_ROOT=$ROOT/toolchain/$TARGET
    rm -rf "$ROOT/$BUILDDIR/$UNPACKER"
    cd $ROOT/$BUILDDIR

    case $UNPACKER in
        unrar)
            tar xzf unrarsrc-*.tar.gz
            cd unrar
            sed 's:^CXX=g++:#CXX=g++:' -i makefile
            sed 's:^STRIP=strip:#STRIP=strip:' -i makefile
            sed 's:^LDFLAGS=:LDFLAGS=-static :' -i makefile
            sed 's:^CXXFLAGS=-O2:#CXXFLAGS=-O2:' -i makefile
            if test "$ENDIAN" = "big"; then
                sed 's:^DEFINES=:DEFINES=-DBIG_ENDIAN :' -i makefile
            fi

            EXEDIR=
            LICENSE=license.txt
            BUILDTARGET=
            ;;
        7zip)
            tar xjf p7zip_*_src_all.tar.bz2
            rm -rf 7zip
            mkdir 7zip
            mv p7zip_*/* 7zip
            find p7zip_* -maxdepth 0 -type d -exec rm -r {} \;
            cd 7zip
            rm makefile.machine
            cp makefile.linux_any_cpu_gcc_4.X makefile.machine
            sed 's:^CXX=g++:#CXX=g++:' -i makefile.machine
            sed 's:^CC=gcc:#CC=gcc:' -i makefile.machine

            EXEDIR=bin/
            LICENSE=DOC/License.txt
            BUILDTARGET=$EXENAME
            ;;
    esac

    cd $ROOT/$BUILDDIR/$UNPACKER

    make clean

    CXX=$TOOLCHAIN_ROOT/output/host/usr/bin/$ARCH-linux-g++ \
        CC=$TOOLCHAIN_ROOT/output/host/usr/bin/$ARCH-linux-gcc \
        STRIP=$TOOLCHAIN_ROOT/output/host/usr/bin/$ARCH-linux-strip \
        CXXFLAGS=-g \
        LDFLAGS=-static \
        make $BUILDTARGET
    
    cp $EXEDIR$EXENAME ../../setup/$EXENAME-$TARGET
    cp $LICENSE ../../setup/license-$UNPACKER.txt

    echo "Completed build for $TARGET ($UNPACKER)"
done
done