#!/bin/sh

# Slackware build script for libgphoto2

# Copyright 2007-2008  Frank Caraballo <fecaraballo{at}gmail{dot}com>
# 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.

PRGNAM=libgphoto2
VERSION=2.4.3
ARCH=${ARCH:-i486}
BUILD=${BUILD:-3}
NUMJOBS=${NUMJOBS:--j6}

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

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

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.bz2 || exit 1
cd $PRGNAM-$VERSION
chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# Fix the usage of deprecated PHYSDEVPATH in favor of DEVPATH in the
# check-ptp-camera script called by udev
zcat $CWD/check-ptp-camera.diff.gz | patch -p1 || exit 1

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --disable-static \
  --mandir=/usr/man \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --with-doc-dir=/usr/doc/$PRGNAM-$VERSION \
  --build=$ARCH-slackware-linux

# Make sure udev helper scripts are put in the right place and
# install the other utilities to /usr/bin instead of /usr/lib/libgphoto2/
make $NUMJOBS \
  udevscriptdir=/lib/udev \
  utilsdir=/usr/bin \
  || make \
  udevscriptdir=/lib/udev \
  utilsdir=/usr/bin \
  || exit 1
make \
  udevscriptdir=/lib/udev \
  utilsdir=/usr/bin \
  install DESTDIR=$PKG || exit 1

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

# Generate udev rules and hal device information files
# First, we'll have to set (and export) some important variables
LD_LIBRARY_PATH=/$PKG/usr/lib
CAMLIBS=$PKG/usr/lib/$PRGNAM/$VERSION 
LIBDIR=$PKG/usr/lib
export LD_LIBRARY_PATH CAMLIBS LIBDIR
# Generate udev rules
mkdir -p $PKG/lib/udev/rules.d 
$PKG/usr/bin/print-camera-list udev-rules mode 0660 owner root group plugdev \
  > $PKG/lib/udev/rules.d/90-libgphoto2.rules
# Generate fdi files
mkdir -p $PKG/usr/share/hal/fdi/information/20thirdparty
$PKG/usr/bin/print-camera-list hal-fdi \
  > $PKG/usr/share/hal/fdi/information/20thirdparty/10-camera-libgphoto2.fdi
$PKG/usr/bin/print-camera-list hal-fdi-device \
  > $PKG/usr/share/hal/fdi/information/20thirdparty/10-camera-libgphoto2-device.fdi
unset LD_LIBRARY_PATH CAMLIBS LIBDIR	# Unset these just in case

# Compress man pages
( cd $PKG/usr/man || exit 1
  find . -type f -exec gzip -9 {} \;
  for i in $(find . -type l) ; do ln -s $(readlink $i).gz $i.gz ; rm $i ; done
)

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  AUTHORS COPYING* HACKING INSTALL MAINTAINERS \
  NEWS README README.packaging TESTERS \
  $PKG/usr/doc/$PRGNAM-$VERSION
# The entire ChangeLog is excessive for most users:
cat $PKG/usr/doc/$PRGNAM-$VERSION/ChangeLog | head -n 1000 > $PKG/usr/doc/$PRGNAM-$VERSION/CL
mv $PKG/usr/doc/$PRGNAM-$VERSION/CL $PKG/usr/doc/$PRGNAM-$VERSION/ChangeLog
# The apidocs are huge, and probably only of interest to developers who will
# very likely use the source code as a reference:
rm -r $PKG/usr/doc/$PRGNAM-$VERSION/apidocs.html
cat << EOF > $PKG/usr/doc/$PRGNAM-$VERSION/apidocs.html/README
The complete API documentation may be found in the
libgphoto2 source code archive.
EOF

# This library is not built, but it is useful for users to know why that is:
cp -a camlibs/jl2005a/README.jl2005a $PKG/usr/doc/$PRGNAM-$VERSION/camlibs
chmod 644 $PKG/usr/doc/$PRGNAM-$VERSION/camlibs/README.jl2005a
chown root:root $PKG/usr/doc/$PRGNAM-$VERSION/camlibs/README.jl2005a

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

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