#!/bin/sh

# Slackware build script for libtorrent
# Written by Tom Fitzhenry <tom@fitzhenry.name> 2007/08/22

# Updated by Andrew Brouwers, abrouwers@gmail.com
# Updated to 0.12.6 by Brian Kysela <brian.kysela@gmail.com> 2010-02-17
# Updated to 0.12.7 by Brian Kysela 2010-10-27
# Updated to 0.12.8 by Brian Kysela 2011-05-09
# Updated to 0.12.9 by Brian Kysela 2011-06-27
# Updated to 0.13.0 by Brian Kysela 2011-12-12
#
# Modified by Niki Kovacs <info@microlinux.fr>

PRGNAM=libtorrent
VERSION=${VERSION:-0.13.6}
BUILD=${BUILD:-3}
TAG=${TAG:-_microlinux}

NUMJOBS="-j$(expr $(grep -c '^processor' /proc/cpuinfo) + 1)"

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/microlinux}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

DOWNLOAD="https://github.com/rakshasa/$PRGNAM/archive/$VERSION.tar.gz"

wget -c $DOWNLOAD

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
rm -rf $TMP/$PRGNAM-$VERSION
cd $TMP
tar xvf $CWD/$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

./autogen.sh

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --with-posix-fallocate \
  --build=$ARCH-slackware-linux

make $NUMJOBS
make install DESTDIR=$PKG

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a AUTHORS COPYING INSTALL NEWS README $PKG/usr/doc/$PRGNAM-$VERSION
find $PKG/usr/doc/$PRGNAM-$VERSION -type f -exec chmod 644 {} \;
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM-SlackBuild

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-txz}