#!/bin/sh

# Copyright 2008, 2009  Patrick Volkerding, Sebeka, MN, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

VERSION=1.0.19
BACKVER=1.0.19
FRONTVER=1.0.14
ARCH=${ARCH:-i486}
BUILD=${BUILD:-3}

NUMJOBS=${NUMJOBS:-" -j7 "}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
fi

CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-sane

rm -rf $PKG
mkdir -p $TMP $PKG

# First, we'll build the backends
cd $TMP
rm -rf sane-backends-$BACKVER
tar xvf $CWD/sane-backends-$BACKVER.tar.bz2 || exit 1
cd sane-backends-$BACKVER
chown -R root:root .
CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --mandir=/usr/man \
  --with-docdir=/usr/doc/sane-$VERSION \
  --localstatedir=/var/lib \
  --enable-locking \
  --with-lockdir=/var/lock/sane \
  --with-group=scanner \
  --build=$ARCH-slackware-linux

make $NUMJOBS || make || exit 1
make install || exit 1
make install DESTDIR=$PKG || exit 1

# Add the default udev rules, and until it's handled upstream, 
# fix their syntax work with recent versions of udev
mkdir -p $PKG/lib/udev/rules.d
sed s/SYSFS/ATTRS/g tools/udev/libsane.rules \
  > $PKG/lib/udev/rules.d/80-libsane.rules
# Add the hal fdi file
mkdir -p $PKG/usr/share/hal/fdi/policy/10osvendor/
cat tools/hal/libsane.fdi \
  > $PKG/usr/share/hal/fdi/policy/10osvendor/10-libsane.fdi

# Now let's build the frontends
cd $TMP 
rm -rf sane-frontends-$FRONTVER
tar xvf $CWD/sane-frontends-$FRONTVER.tar.bz2 || exit 1
cd sane-frontends-$FRONTVER
chown -R root:root .
CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --mandir=/usr/man \
  --with-docdir=/usr/doc/sane-$VERSION \
  --build=$ARCH-slackware-linux

make $NUMJOBS || make || exit 1
make install || exit 1
make install DESTDIR=$PKG || exit 1

# Fix stupid permissions:
chown -R root:root $PKG/var
chmod 755 $PKG/var
chmod 1777 $PKG/var/lock
chown root:scanner $PKG/var/lock/sane
chmod 775 $PKG/var/lock/sane

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

# List additional backends in /etc/sane.d/dll.conf.
# I don't think it will hurt anything to do this, even
# if these backends turn out not to be available:
zcat $CWD/dll.conf.additions.gz >> $PKG/etc/sane.d/dll.conf

# Move config files:
( cd $PKG/etc/sane.d
  for file in *.conf ; do
    mv $file ${file}.new
  done
)
rm -f /etc/sane.d/*.conf

# Compress and if needed symlink the man pages:
if [ -d $PKG/usr/man ]; then
  ( cd $PKG/usr/man
    for manpagedir in $(find . -type d -name "man*") ; do
      ( cd $manpagedir
        for eachpage in $( find . -type l -maxdepth 1) ; do
          ln -s $( readlink $eachpage ).gz $eachpage.gz
          rm $eachpage
        done
        gzip -9 *.?
      )
    done
  )
fi

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
zcat $CWD/doinst.sh.gz > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $TMP/sane-$VERSION-$ARCH-$BUILD.txz