#!/bin/bash

# Copyright 2006, 2007, 2008, 2009, 2010, 2012, 2017, 2018  Patrick J. 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.


# Modified 2016, 2017, 2018 by Eric Hameleers <alien@slackware.com>

cd $(dirname $0) ; CWD=$(pwd)

PKGNAM=poppler
VERSION=${VERSION:-0.68.0}
BUILD=${BUILD:-1}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$(uname -m)" in
    i?86) ARCH=i586 ;;
    arm*) readelf /usr/bin/file -A | egrep -q "Tag_CPU.*[4,5]" && ARCH=arm || ARCH=armv7hl ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
    *) ARCH=$(uname -m) ;;
  esac
  export ARCH
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PKGNAM-$VERSION-$ARCH-$BUILD.txz"
  exit 0
fi

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

case "$ARCH" in
    arm*) TARGET=$ARCH-slackware-linux-gnueabi ;;
    *)    TARGET=$ARCH-slackware-linux ;;
esac

TMP=${TMP:-/tmp}
PKG=$TMP/package-${PKGNAM}
rm -rf $PKG
mkdir -p $TMP $PKG

cd $TMP || exit 1
rm -rf ${PKGNAM}-${VERSION}
tar xvf $CWD/${PKGNAM}-$VERSION.tar.?z* || exit 1
cd ${PKGNAM}-$VERSION || exit 1

# At least for now, we will revert this patch since we have
# things that depend on it:
cat $CWD/patches/poppler.remove.qt4.frontend.diff | patch -p1 -R --verbose || exit 1

# Revert a change to SplashPath.h (in 0.63.0) that breaks compiling the qt4 frontend:
cat $CWD/patches/poppler.splashpath.h.revert.diff | patch -p1 --verbose || exit 1

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 {} \;

mkdir build
cd build

# Adding " -std=c++11" to CXXFLAGS is needed for compiling against Qt >= 5.7:
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS -std=c++11  -fpermissive" \
cmake \
  -DCMAKE_INSTALL_PREFIX=/usr \
  -DCMAKE_INSTALL_MANDIR=/usr/man \
  -DBUILD_SHARED_LIBS=ON \
  -DENABLE_QT4=ON \
  -DENABLE_QT5=ON \
  -DENABLE_XPDF_HEADERS=ON \
  -DENABLE_CMS=lcms2 \
  -DENABLE_DCTDECODER=libjpeg \
  -DENABLE_GTK_DOC=ON \
  -DENABLE_LIBOPENJPEG=openjpeg2 \
  -DENABLE_XPDF_HEADERS=ON \
  -DENABLE_ZLIB=ON \
  .. || exit 1

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

# Back to source tarball root directory:
cd ..

# Remove files that overlap with the xpdf package:
rm -f $PKG/usr/bin/pdfdetach $PKG/usr/man/man1/pdfdetach.1

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

# Compress and link manpages, if any:
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 $PKG/usr/doc/${PKGNAM}-$VERSION
cp -a AUTHORS COPYING* INSTALL NEWS README* TODO \
  $PKG/usr/doc/${PKGNAM}-$VERSION
( cd $PKG/usr/doc/${PKGNAM}-$VERSION
  ln -s /usr/share/gtk-doc/html/poppler html )

# If there's a ChangeLog, installing at least part of the recent history
# is useful, but don't let it get totally out of control:
if [ -r ChangeLog ]; then
  DOCSDIR=$(echo $PKG/usr/doc/${PKGNAM}-$VERSION)
  cat ChangeLog | head -n 1000 > $DOCSDIR/ChangeLog
  touch -r ChangeLog $DOCSDIR/ChangeLog
fi

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

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