#!/bin/sh

# variables
TAG=gwh
OUTPUT=/tmp
TMP=/tmp/$TAG
CWD=$(pwd)

PRGNAM=$(basename $CWD)
PKG=$TMP/pkg-$PRGNAM

VERSION=0.8.8

EXT=tar.xz

DOCS="AUTHORS ChangeLog COPYING INSTALL NEWS README TODO"

ARCH=$(uname -m)
BUILD=1


PREFIX=/usr

SLCKFLAGS="-O2 $(echo "$ARCH" | grep -q "64" && echo -fPIC)"

# nettoyage préalable
rm -fr $PKG $TMP/$PRGNAM-$VERSION

mkdir -p $PKG

# mise en place
if [ ! -e $CWD/xf86-input-evtouch-$VERSION.tar.bz2 ] ; then
    ( cd $CWD
        wget -c http://www.conan.de/touchscreen/xf86-input-evtouch-$VERSION.tar.bz2
    )
fi

cd $TMP
tar xf $CWD/xf86-input-evtouch-$VERSION.tar.bz2
cd $TMP/$PRGNAM-$VERSION

patch -p1 -i $CWD/hacks.diff

# configuration
CFLAGS="$SLCKFLAGS" \
CPPFLAGS="$SLCKFLAGS" \
./configure \
    --prefix=$PREFIX \
    --mandir=$PREFIX/man \
    --libdir=$PREFIX/lib$(echo "$ARCH" | grep -o "64") \
    --enable-udevinstall \
    --enable-evcalibrate

# compilation
make -j3 PREFIX=$PREFIX

# installation
make install DESTDIR=$PKG
mkdir -p $PKG$PREFIX/bin
( cd $PKG$PREFIX/bin
    ln -s ../lib$(echo "$ARCH" | grep -o "64")/xf86-input-evtouch/ev_calibrate ev_calibrate
    ln -s ../lib$(echo "$ARCH" | grep -o "64")/xf86-input-evtouch/calibrate.sh calibrate.sh
)

# correction
cd $PKG
chown -R root:root *

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cd $TMP/$PRGNAM-$VERSION
cp -R $DOCS $PKG/usr/doc/$PRGNAM-$VERSION

[ -d $PKG/usr/man ] && find $PKG/usr/man -type f -name "*.?" -exec gzip -9f {} \;

# Strip binaries
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)


# embaumement
mkdir -p $PKG/install
cat <<EOF > $PKG/install/slack-desc
$PRGNAM: $PRGNAM (Linux-Touchscreen Driver for X)
$PRGNAM:
$PRGNAM: Evtouch is a Touchscreen-Driver for X.
$PRGNAM: 
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM: 
$PRGNAM:
$PRGNAM: http://www.conan.de/touchscreen/evtouch.html
$PRGNAM:
EOF

# empaquetage
cd $PKG
rm -f $PKG/{,usr/}lib$(uname -m | grep -o 64)/*.la
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$(echo $VERSION | sed 's/-//g')-$ARCH-$BUILD$TAG.txz