#!/bin/sh
# $Id: calibre4.SlackBuild,v 1.230 2020/10/02 20:24:47 root Exp root $
# Copyright 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021  Eric Hameleers, Eindhoven, NL
# All rights reserved.
#
#   Permission to use, copy, modify, and distribute this software for
#   any purpose with or without fee is hereby granted, provided that
#   the above copyright notice and this permission notice appear in all
#   copies.
#
#   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 AUTHORS AND COPYRIGHT HOLDERS AND THEIR
#   CONTRIBUTORS 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.
# -----------------------------------------------------------------------------
#
# Slackware SlackBuild script 
# ===========================
# By:         Eric Hameleers <alien@slackware.com>
# For:        calibre4
# Descr:      e-book library management application
# URL:        http://calibre-ebook.com/
# Build needs:(Slackware 14.2) meson, python3, python3-setuptools.
# Needs:      If you did not add Qt5 to the package, you will also need:
#             libinput,libxkbcommon,qt5.
#             If you did not add python2.7 to the package, you will also need:
#             PyQt5, PyQtWebEngine, dbus-python, dnspython, pycrypto,
#             pysetuptools, python-apsw, python-beautifulsoup4, python-bflc,
#             python-chardet, python-css-parser, python-dateutil, python-enum34,
#             python-feedparser, pyhton-html2text, python-html5-parser,
#             python-html5lib, python-lxml, python-markdown, python-mechanize,
#             python-msgpack, python-netifaces, python-pillow, python-psutil,
#             python-pygments, python-regex, python-six, python-soupsieve,
#             python-unrardll, python-webencodings, sip, sqlite-amalgamation.
# Changelog:  
# 0.7.20-1:   25/Sep/2010 by Eric Hameleers <alien@slackware.com>
#             * Initial build.
# 1.0.0-1:    23/aug/2013 by Eric Hameleers <alien@slackware.com>
#             * Finally, 1.0.0 ! With python-apsw as a new dependency.
# 1.49.0-1:   15/aug/2014 by Eric Hameleers <alien@slackware.com>
#             * Last version in the 1.x series.
# 2.28.0-1:   25/may/2015 by Eric Hameleers <alien@slackware.com>
#             * First build of the Qt5 based 2.x series.
# 2.30.0-1:   05/jun/2015 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 2.31.0-1:   15/jul/2015 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 2.32.1-1:   20/jul/2015 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 2.33.0-1:   05/aug/2015 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 2.35.0-1:   14/aug/2015 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 2.37.0-1:   04/sep/2015 by Eric Hameleers <alien@slackware.com>
#             * Update. Removed BeautifulSoup as dependency. Minimal required
#               version of Python becomes 2.7.9.
# 2.37.1-1:   07/sep/2015 by Eric Hameleers <alien@slackware.com>
#             * Emergency bugfix release.
# 2.39.0-1:   25/sep/2015 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 2.44.1-1:   22/nov/2015 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 2.45.0-1:   02/dec/2015 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 2.50.1-1:   01/feb/2016 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 2.52.0-1:   05/mar/2016 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 2.56.0-1:   12/may/2016 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 2.61.0-1:   03/jul/2016 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 2.71.0-1:   07/nov/2016 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 2.75.1-1:   27/dec/2016 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 2.79.1-1:   13/feb/2017 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 3.1.1-1:    19/jun/2017 by Eric Hameleers <alien@slackware.com>
#             * New major release 3.x.
# 3.4.0-1:    16/jul/2017 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 3.6.0-1:    06/aug/2017 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 3.7.0-1:    12/sep/2017 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 3.9.0-1:    13/oct/2017 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 3.12.0-1:   20/nov/2017 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 3.13.0-1:   08/dec/2017 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 3.18.0-1:   07/mar/2018 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 3.20.0-1:   02/apr/2018 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 3.23.0-1:   06/may/2018 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 3.23.0-2:   23/may/2018 by Eric Hameleers <alien@slackware.com>
#             * Rebuilt for new poppler in -current.
# 3.30.0-1:   24/aug/2018 by Eric Hameleers <alien@slackware.com>
#             * Update.  Note that Calibre won't compile against Qt 5.11.x
#               so for slackware-current internal Qt 5.9 libraries are added.
# 3.32.0-1:   30/sep/2018 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 3.33.1-1:   21/oct/2018 by Eric Hameleers <alien@slackware.com>
#             * Update due to icu4c update in -current.
# 3.38.0-1:   18/jan/2019 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 3.38.1-1:   19/jan/2019 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 3.40.1-1:   09/mar/2019 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 3.46.0-1:   27/jul/2019 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 3.47.1-1:   08/sep/2019 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 4.2.0-1:    19/oct/2019 by Eric Hameleers <alien@slackware.com>
#             * New major release 4.x. No more qt-webkit.
# 4.7.0-1:    30/dec/2019 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 4.11.2-1:   05/mar/2020 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 4.12.0-1:   06/mar/2020 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 4.15.0-1:   07/may/2020 by Eric Hameleers <alien@slackware.com>
#             * Update.
# 4.15.0-2:   11/jun/2021 by Eric Hameleers <alien@slackware.com>
#             * Rebuilt.
# 
# Run 'sh calibre.SlackBuild' to build a Slackware package.
# The package (.txz) and .txt file as well as build logs are created in /tmp .
# Install it using 'installpkg'. 
#
# -----------------------------------------------------------------------------

PRGNAM=calibre4
SRCNAM=calibre
VERSION=${VERSION:-4.15.0}
BUILD=${BUILD:-2}
NUMJOBS=${NUMJOBS:-" -j$(nproc) "}
TAG=${TAG:-alien}

DOCS="LICENSE* Changelog* COPYRIGHT README*"

PYTHON=$(python2 -c 'import sys; print (sys.version.split( )[0])')
SLACKVER=${SLACKVER:-$(cat /etc/slackware-version |cut -d' ' -f2)}

REQUIRED_QT="5.13.1"

# Only used in case we need to build our own Qt:
INT_QT=5.13.2

REQUIRED_MTP="1.1.16"

# Only used in case we need to build our own libmtp:
INT_MTP=1.1.17

# Only used when we build our own ImageMagick:
INT_MAGICK=6.9.10_68

REQUIRED_PYTHON="2.7"
REQUIRED_PYTHON_MIN="16"

# Only used in case we need to build our own python:
INT_PYTHON=2.7.18

# Only used in case we need to build our own python modules:
#INT_SETUPTOOLS=14.3
# Newer setuptools generate messages like:
# dist.py:267: UserWarning: Unknown distribution option: 'zip_safe'
# and fails to compile netifaces with error:
# netifaces.c error you need to add code for your platform
INT_SETUPTOOLS=42.0.2
# The rest of the internal Python deps:
INT_PIP=20.0.2
INT_APSW=3.30.1-r1
INT_BEAUTIFULSOUP=4.8.0
INT_BFLC=1.5
INT_CHARDET=3.0.4
INT_CSSPARSER=1.0.4
INT_DATEUTIL=2.8.0
INT_DBUSPYTHON=1.2.8
INT_DNSPYTHON=1.16.0
INT_ENUM34=1.1.6
INT_FEEDPARSER=5.2.1
INT_HTML2TEXT=2018.1.9
INT_HTML5LIB=1.0.1
INT_HTML5PARSER=0.4.9
INT_HYPHEN=2.8.8
INT_LXML=4.3.3
INT_MARKDOWN=3.1
INT_MECHANIZE=0.4.3
INT_MSGPACK=0.6.1
INT_NETIFACES=0.10.9
INT_PILLOW=6.2.0
INT_PSUTIL=5.6.2
INT_PYCRYPTO=2.6.1
INT_PYGMENTS=2.3.1
INT_PYQT5=5.13.2
INT_PYQTWEBENG=5.13.2
INT_REGEX=2019.04.14
INT_SIP=4.19.20
INT_SIX=1.12.0
INT_SOUPSIEVE=1.9.1
INT_SQLITE=3310100
INT_UNRARDLL=0.1.3
INT_WEBENC=0.5.1
INT_XKB=0.9.1

# Software that's an internal dependency to the package:
INT_HUNSPELL=1.7.0
INT_OPTIPNG=0.7.7
INT_PODOFO=0.9.6
INT_UNRARSRC=5.9.1

# Where do we look for sources?
SRCDIR=$(cd $(dirname $0); pwd)
PATCHDIR=${SRCDIR}/patches

# Place to build (TMP) package (PKG) and output (OUTPUT) the program:
TMP=${TMP:-/tmp/build}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

SOURCE[0]="$SRCDIR/sources/${SRCNAM}-${VERSION}.tar.xz"
SRCURL[0]="https://download.calibre4-ebook.com/${VERSION}/${SRCNAM}-${VERSION}.tar.xz"

# Allow the package builder to override BUILD_MAGICK:
# By default we do not compile an internal version but enabling this
# allows us to be independant of Slackware's ImageMagick upgrades.
BUILD_MAGICK=${BUILD_MAGICK:-NO}

# Allow the package builder to override BUILD_QT:
if [ -z "$BUILD_QT" ]; then
  if pkg-config --exists "Qt5Core >= $REQUIRED_QT" && pkg-config --exists "Qt5Core <= $INT_QT" ;
  then
    BUILD_QT="NO"
  else
    # We need to build our own qt5:
    BUILD_QT="YES"
  fi
fi

# Allow the package builder to override BUILD_MTP:
if [ -z "$BUILD_MTP" ]; then
  if pkg-config --exists "libmtp >= $REQUIRED_MTP" ; then
    BUILD_MTP="NO"
  else
    # We need to build our own libmtp:
    BUILD_MTP="YES"
  fi
fi

# Allow the package builder to override BUILD_PYTHON:
if [ -z "$BUILD_PYTHON" ]; then
  if [ "$(echo $PYTHON |cut -d. -f1,2)" = "$REQUIRED_PYTHON" -a "$(echo $PYTHON |cut -d. -f3)" -ge "$REQUIRED_PYTHON_MIN" ]; then
    BUILD_PYTHON="NO"
  else
    # We need to build our own python 2.7 plus supporting modules:
    BUILD_PYTHON="YES"
  fi
fi

# Allow the package builder to override BUILD_PYTHONMODS:
if [ BUILD_PYTHON="YES" ]; then
  # If we need to build python then the mods are required too:
  BUILD_PYTHONMODS="YES"
else
  # We may want to include the modules instead of relying on separate packages;
  # Note: that will currently not work, my python-fu is insufficient.
  BUILD_PYTHONMODS="${BUILD_PYTHONMODS:-NO}"
fi

# Determine what sources we need to download:
if [ "$BUILD_PYTHONMODS" = "YES" ]; then
  echo ">> Compiling python modules <<"

  # URL for the newer setuptools:
  SOURCE[1]="$SRCDIR/sources/setuptools-${INT_SETUPTOOLS}.zip"
  SRCURL[1]="https://pypi.python.org/packages/source/s/setuptools/setuptools-${INT_SETUPTOOLS}.zip"
  # URL for the older setuptools:
  #SOURCE[1]="$SRCDIR/sources/setuptools-${INT_SETUPTOOLS}.tar.gz"
  #SRCURL[1]="https://pypi.python.org/packages/source/s/setuptools/setuptools-${INT_SETUPTOOLS}.tar.gz"

  SOURCE[2]="$SRCDIR/sources/Pygments-${INT_PYGMENTS}.tar.gz"
  SRCURL[2]="https://pypi.python.org/packages/source/P/Pygments/Pygments-${INT_PYGMENTS}.tar.gz"

  SOURCE[3]="$SRCDIR/sources/dnspython-${INT_DNSPYTHON}.tar.gz"
  SRCURL[3]="http://www.dnspython.org/kits/${INT_DNSPYTHON}/dnspython-${INT_DNSPYTHON}.tar.gz"

  SOURCE[4]="$SRCDIR/sources/css-parser-${INT_CSSPARSER}.tar.gz"
  SRCURL[4]="https://pypi.python.org/packages/source/c/css-parser/css-parser-${INT_CSSPARSER}.tar.gz"

  SOURCE[5]="$SRCDIR/sources/python-dateutil-${INT_DATEUTIL}.tar.gz"
  SRCURL[5]="https://pypi.python.org/packages/source/p/python-dateutil/python-dateutil-${INT_DATEUTIL}.tar.gz"

  SOURCE[6]="$SRCDIR/sources/Pillow-${INT_PILLOW}.tar.gz"
  SRCURL[6]="https://pypi.io/packages/source/p/pillow/Pillow-${INT_PILLOW}.tar.gz"

  SOURCE[7]="$SRCDIR/sources/lxml-${INT_LXML}.tgz"
  SRCURL[7]="http://lxml.de/files/lxml-${INT_LXML}.tgz"

  SOURCE[8]="$SRCDIR/sources/mechanize-${INT_MECHANIZE}.tar.gz"
  SRCURL[8]="https://github.com/python-mechanize/mechanize/archive/v${INT_MECHANIZE}.tar.gz"

  SOURCE[9]="$SRCDIR/sources/PyQt5-${INT_PYQT5}.tar.gz"
  SRCURL[9]="https://www.riverbankcomputing.com/static/Downloads/PyQt5/${INT_PYQT5}/PyQt5-${INT_PYQT5}.tar.gz"

  SOURCE[10]="$SRCDIR/sources/sip-${INT_SIP}.tar.gz"
  SRCURL[10]="https://www.riverbankcomputing.com/static/Downloads/sip/${INT_SIP}/sip-${INT_SIP}.tar.gz"

  SOURCE[11]="$SRCDIR/sources/dbus-python-${INT_DBUSPYTHON}.tar.gz"
  SRCURL[11]="http://dbus.freedesktop.org/releases/dbus-python/dbus-python-${INT_DBUSPYTHON}.tar.gz"

  SOURCE[12]="$SRCDIR/sources/pycrypto-${INT_PYCRYPTO}.tar.gz"
  SRCURL[12]="http://ftp.dlitz.net/pub/dlitz/crypto/pycrypto/pycrypto-${INT_PYCRYPTO}.tar.gz"

  SOURCE[13]="$SRCDIR/sources/netifaces-${INT_NETIFACES}.tar.gz"
  SRCURL[13]="https://pypi.io/packages/source/n/netifaces/netifaces-${INT_NETIFACES}.tar.gz"

  SOURCE[14]="$SRCDIR/sources/psutil-${INT_PSUTIL}.tar.gz"
  SRCURL[14]="https://github.com/giampaolo/psutil/archive/release-${INT_PSUTIL}.tar.gz"

  SOURCE[15]="$SRCDIR/sources/apsw-${INT_APSW}.zip"
  # Needs a newwer sqlite than ships with Slackware 14.1:
  SRCURL[15]="https://github.com/rogerbinns/apsw/releases/download/${INT_APSW}/apsw-${INT_APSW}.zip"

  SOURCE[16]="$SRCDIR/sources/regex-${INT_REGEX}.tar.gz"
  SRCURL[16]="https://pypi.io/packages/source/r/regex/regex-${INT_REGEX}.tar.gz"

  SOURCE[17]="$SRCDIR/sources/msgpack-python-${INT_MSGPACK}.tar.gz"
  SRCURL[17]="https://pypi.io/packages/source/m/msgpack/msgpack-${INT_MSGPACK}.tar.gz"

  SOURCE[18]="$SRCDIR/sources/six-${INT_SIX}.tar.gz"
  SRCURL[18]="https://pypi.io/packages/source/s/six/six-${INT_SIX}.tar.gz"

  SOURCE[19]="$SRCDIR/sources/enum34-${INT_ENUM34}.tar.gz"
  SRCURL[19]="https://files.pythonhosted.org/packages/bf/3e/31d502c25302814a7c2f1d3959d2a3b3f78e509002ba91aea64993936876/enum34-${INT_ENUM34}.tar.gz"

  SOURCE[20]="$SRCDIR/sources/webencodings-${INT_WEBENC}.tar.gz"
  SRCURL[20]="https://pypi.io/packages/source/w/webencodings/webencodings-${INT_WEBENC}.tar.gz"

  SOURCE[21]="$SRCDIR/sources/html5lib-${INT_HTML5LIB}.tar.gz"
  SRCURL[21]="https://pypi.io/packages/source/h/html5lib/html5lib-${INT_HTML5LIB}.tar.gz"

  SOURCE[22]="$SRCDIR/sources/html5-parser-${INT_HTML5PARSER}.tar.gz"
  SRCURL[22]="https://pypi.io/packages/source/h/html5-parser/html5-parser-${INT_HTML5PARSER}.tar.gz"

  SOURCE[23]="$SRCDIR/sources/unrardll-${INT_UNRARDLL}.tar.gz"
  SRCURL[23]="https://pypi.io/packages/source/u/unrardll/unrardll-${INT_UNRARDLL}.tar.gz"

  SOURCE[24]="$SRCDIR/sources/feedparser-${INT_FEEDPARSER}.tar.gz"
  SRCURL[24]="https://pypi.io/packages/source/f/feedparser/feedparser-${INT_FEEDPARSER}.tar.gz"

  SOURCE[25]="$SRCDIR/sources/Markdown-${INT_MARKDOWN}.tar.gz"
  SRCURL[25]="https://pypi.io/packages/source/M/Markdown/Markdown-${INT_MARKDOWN}.tar.gz"

  SOURCE[26]="$SRCDIR/sources/sqlite-amalgamation-${INT_SQLITE}.zip"
  SRCURL[26]="https://www.sqlite.org/2020/sqlite-amalgamation-${INT_SQLITE}.zip"

  SOURCE[27]="$SRCDIR/sources/beautifulsoup4-${INT_BEAUTIFULSOUP}.tar.gz"
  SRCURL[27]="https://pypi.io/packages/source/b/beautifulsoup4/beautifulsoup4-${INT_BEAUTIFULSOUP}.tar.gz"

  SOURCE[28]="$SRCDIR/sources/backports.functools_lru_cache-${INT_BFLC}.tar.gz"
  SRCURL[28]="https://pypi.io/packages/source/b/backports.functools_lru_cache/backports.functools_lru_cache-${INT_BFLC}.tar.gz"

  SOURCE[29]="$SRCDIR/sources/soupsieve-${INT_SOUPSIEVE}.tar.gz"
  SRCURL[29]="https://pypi.io/packages/source/s/soupsieve/soupsieve-${INT_SOUPSIEVE}.tar.gz"

  SOURCE[30]="$SRCDIR/sources/html2text-${INT_HTML2TEXT}.tar.gz"
  SRCURL[30]="https://pypi.io/packages/source/h/html2text/html2text-${INT_HTML2TEXT}.tar.gz"

  SOURCE[31]="$SRCDIR/sources/chardet-${INT_CHARDET}.tar.gz"
  SRCURL[31]="https://pypi.io/packages/source/c/chardet/chardet-${INT_CHARDET}.tar.gz"

  SOURCE[32]="$SRCDIR/sources/PyQtWebEngine-${INT_PYQTWEBENG}.tar.gz"
  SRCURL[32]="https://www.riverbankcomputing.com/static/Downloads/PyQtWebEngine/${INT_PYQTWEBENG}/PyQtWebEngine-${INT_PYQTWEBENG}.tar.gz"

  SOURCE[33]="$SRCDIR/sources/unrarsrc-${INT_UNRARSRC}.tar.gz"
  SRCURL[33]="http://www.rarlab.com/rar/unrarsrc-${INT_UNRARSRC}.tar.gz"

  SOURCE[34]="$SRCDIR/sources/hunspell-${INT_HUNSPELL}.tar.gz"
  SRCURL[34]="https://github.com/hunspell/hunspell/archive/v${INT_HUNSPELL}.tar.gz"

  SOURCE[35]="$SRCDIR/sources/pip-${INT_PIP}.tar.gz"
  SRCURL[35]="https://pypi.io/packages/source/p/pip/pip-${INT_PIP}.tar.gz"

  NEXT_ARRAYEL=${#SOURCE[@]}
else
  NEXT_ARRAYEL=1
fi

if [ "$BUILD_PYTHON" = "YES" ]; then
  echo ">> Compiling python interpreter <<"

  SOURCE[$NEXT_ARRAYEL]="$SRCDIR/sources/Python-${INT_PYTHON}.tar.xz"
  SRCURL[$NEXT_ARRAYEL]="http://python.org/ftp/python/${INT_PYTHON}/Python-${INT_PYTHON}.tar.xz"

  NEXT_ARRAYEL=$(( ${NEXT_ARRAYEL} + 1 ))
fi

if [ "$BUILD_MTP" = "YES" ]; then
  echo ">> Compiling libmtp <<"

  SOURCE[$NEXT_ARRAYEL]="$SRCDIR/sources/libmtp-${INT_MTP}.tar.gz"
  SRCURL[$NEXT_ARRAYEL]="https://downloads.sourceforge.net/libmtp/libmtp-${INT_MTP}.tar.gz"

  NEXT_ARRAYEL=$(( ${NEXT_ARRAYEL} + 1 ))
fi

if [ "$BUILD_QT" = "YES" ]; then
  echo ">> Compiling Qt  <<"

  SOURCE[$NEXT_ARRAYEL]="$SRCDIR/sources/qt-everywhere-src-${INT_QT}.tar.xz"
  SRCURL[$NEXT_ARRAYEL]="http://download.qt.io/official_releases/qt/$(echo ${INT_QT}|cut -d. -f1,2)/${INT_QT}/single/qt-everywhere-src-${INT_QT}.tar.xz"

  NEXT_ARRAYEL=$(( ${NEXT_ARRAYEL} + 1 ))

  SOURCE[$NEXT_ARRAYEL]="$SRCDIR/sources/libxkbcommon-xkbcommon-${INT_XKB}.tar.gz"
  SRCURL[$NEXT_ARRAYEL]="https://github.com/xkbcommon/libxkbcommon/archive/xkbcommon-${INT_XKB}.tar.gz"

  NEXT_ARRAYEL=$(( ${NEXT_ARRAYEL} + 1 ))
fi

if [ "$BUILD_MAGICK" = "YES" ]; then
  echo ">> Compiling Magick  <<"

  SOURCE[$NEXT_ARRAYEL]="$SRCDIR/sources/ImageMagick-${INT_MAGICK}.tar.xz"
  SRCURL[$NEXT_ARRAYEL]="http://www.imagemagick.org/download/releases/ImageMagick-${INT_MAGICK}.tar.xz"

  NEXT_ARRAYEL=$(( ${NEXT_ARRAYEL} + 1 ))
fi

SOURCE[$NEXT_ARRAYEL]="$SRCDIR/sources/optipng-${INT_OPTIPNG}.tar.gz"
SRCURL[$NEXT_ARRAYEL]="https://downloads.sourceforge.net/optipng/optipng-${INT_OPTIPNG}.tar.gz"
NEXT_ARRAYEL=$(( ${NEXT_ARRAYEL} + 1 ))

SOURCE[$NEXT_ARRAYEL]="$SRCDIR/sources/podofo-${INT_PODOFO}.tar.gz"
SRCURL[$NEXT_ARRAYEL]="https://downloads.sourceforge.net/podofo/podofo-${INT_PODOFO}.tar.gz"
NEXT_ARRAYEL=$(( ${NEXT_ARRAYEL} + 1 ))

SOURCE[$NEXT_ARRAYEL]="$SRCDIR/sources/hyphen-${INT_HYPHEN}.tar.gz"
SRCURL[$NEXT_ARRAYEL]="https://downloads.sourceforge.net/hunspell/hyphen-${INT_HYPHEN}.tar.gz"
NEXT_ARRAYEL=$(( ${NEXT_ARRAYEL} + 1 ))

##
## --- with a little luck, you won't have to edit below this point --- ##
##

# Automatically determine the architecture we're building on:
MARCH=$( uname -m )
if [ -z "$ARCH" ]; then
  case "$MARCH" in
    i?86)    export ARCH=i586 ;;
    armv7hl) export ARCH=$MARCH ;;
    arm*)    export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
    *)       export ARCH=$MARCH ;;
  esac
fi

case "$ARCH" in
  i?86)      SLKCFLAGS="-O2 -march=${ARCH} -mtune=i686"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
  x86_64)    SLKCFLAGS="-O2 -fPIC"
             SLKLDFLAGS="-L/usr/lib64"; LIBDIRSUFFIX="64"
             ;;
  armv7hl)   SLKCFLAGS="-O2 -march=armv7-a -mfpu=vfpv3-d16"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
  *)         SLKCFLAGS="-O2"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
esac

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

# Exit the script on errors:
set -e
trap 'echo "$0 FAILED at line ${LINENO}" | tee $OUTPUT/error-${PRGNAM}.log' ERR
# Catch unitialized variables:
set -u
P1=${1:-1}

# Save old umask and set to 0022:
_UMASK_=$(umask)
umask 0022

# Create working directories:
mkdir -p $OUTPUT          # place for the package to be saved
mkdir -p $TMP/tmp-$PRGNAM # location to build the source
mkdir -p $PKG             # place for the package to be built

if [ "$P1" != "--oldbuild" -a  "$P1" != "--download" ]; then
  # If the "--oldbuild" parameter is present, we keep
  #  the old build files and continue;
  # By default we remove the remnants of previous build and continue:
  echo -e "**\n**  Cleaning up old build ...\n**"
  rm -rf $PKG/*             # always erase old package's contents
  rm -rf $TMP/tmp-$PRGNAM/* # remove the remnants of previous build
  rm -rf $OUTPUT/{configure,make,install,error,makepkg}-$PRGNAM.log
                            # remove old log files
fi

# Source file availability:
for (( i = 0; i < ${#SOURCE[*]}; i++ )) ; do
  if ! [ -f ${SOURCE[$i]} ]; then
    echo "Source '$(basename ${SOURCE[$i]})' not available yet..."
    # Check if the $SRCDIR is writable at all - if not, download to $OUTPUT
    [ -w "$SRCDIR" ] || SOURCE[$i]="$OUTPUT/$(basename ${SOURCE[$i]})"
    if [ -f ${SOURCE[$i]} ]; then echo "Ah, found it!"; continue; fi
    if ! [ "x${SRCURL[$i]}" == "x" ]; then
      echo "Will download file to $(dirname $SOURCE[$i])"
      wget --no-check-certificate --content-disposition -nv -T 20 -O "${SOURCE[$i]}" "${SRCURL[$i]}" || true
      if [ $? -ne 0 -o ! -s "${SOURCE[$i]}" ]; then
        echo "Fail to download '$(basename ${SOURCE[$i]})'. Aborting the build."
        mv -f "${SOURCE[$i]}" "${SOURCE[$i]}".FAIL
        exit 1
      fi
    else
      echo "File '$(basename ${SOURCE[$i]})' not available. Aborting the build."
      exit 1
    fi
  fi
done

if [ "$P1" == "--download" ]; then
  echo "Download complete."
  exit 0
fi

# --- PACKAGE BUILDING ---

echo "++"
echo "|| $PRGNAM-$VERSION"
echo "++"

cd $TMP/tmp-$PRGNAM

if [ "$P1" != "--oldbuild" ]; then
  if [ "$BUILD_PYTHON" = "YES" -o "$BUILD_PYTHONMODS" = "YES" -o "$BUILD_MTP" = "YES" -o  "$BUILD_QT" = "YES" -o "$BUILD_MAGICK" = "YES" ]; then
    # Sanity check:
    # In case we need to build an internal set of python interpreter plus
    # support modules, then you must not compile this package when calibre4
    # is already installed!
    if [ -d /usr/lib${LIBDIRSUFFIX}/calibre4/lib ]; then
      echo ""
      echo "** You have calibre4 installed in /usr/lib${LIBDIRSUFFIX}/calibre4"
      echo "** Compiling this package means you have to remove the existing"
      echo "** calibre4 installation first, it conflicts with the compilation!"
      echo ""
      exit 1
    fi
  fi

  echo "Extracting the source archive(s) for $PRGNAM..."
  tar -xf ${SOURCE[0]}
  if [ $NEXT_ARRAYEL -gt 1 ]; then
  for (( i = 1; i < ${#SOURCE[*]}; i++ )) ; do
    echo "-- Also extracting dependency source $(basename ${SOURCE[$i]})..."
    if unzip -l ${SOURCE[$i]} 1>/dev/null 2>&1 ; then
      unzip -q ${SOURCE[$i]}
    else
      tar -xf ${SOURCE[$i]}
    fi
  done
  fi

  chown -R root:root .
  chmod -R u+w,go+r-w,a+X-s .
fi

echo Building ...

#
# What follows is a series of subroutines for building all the parts:
#

#
# Build libxkbcommon:
#
make_xkbcommon() {

  local MOD="xkbcommon"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/libxkbcommon-xkbcommon-${INT_XKB}

  export CFLAGS="$SLKCFLAGS"
  export CXXFLAGS="$SLKCFLAGS"
  mkdir -p build
  cd build
    meson .. \
      -Denable-docs=false \
      -Denable-wayland=false \
      --prefix=/usr/lib${LIBDIRSUFFIX}/calibre4 \
      --libdir=/usr/lib${LIBDIRSUFFIX}/calibre4/lib \
      2>&1 | tee $OUTPUT/configure-${PRGNAM}_${MOD}.log
  cd -
  # Build and install:
  ninja -C build \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log
  DESTDIR=$PKG meson install -C build \
    2>&1 | tee $OUTPUT/install-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a LICENSE NEWS PACKAGING README* \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_xkbcommon


#
# Build Qt 5.x:
#
make_qt5() {

  # Calibre needs: qt-base, qt-svg, qt-declarative, qt-imageformats,
  # qt-webchannel, qt-location, qt-x11extras, qt-sensors, qt-webengine.

  local MOD="qt5"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/qt-everywhere-src-${INT_QT}

  # If we build our own Qt5, unset the QT-related environment variables,
  # so that a pre-existing Qt5 will not be picked up and create errors later:
  unset QTDIR
  unset QT5DIR
  NEWPATH="/usr/lib${LIBDIRSUFFIX}/calibre4/bin"
  for elem in $(echo $PATH | cut -d: --output-delimiter=' ' -f1-) ; do
    if ! $(echo "$elem"| grep -q /qt) ; then
      NEWPATH="$NEWPATH:$elem"
    fi
  done
  export PATH="$NEWPATH"

  # Use -reduce-relocations only on i?86 and x86_64 architextures.
  # https://bugreports.qt-project.org/browse/QTBUG-36129
  if echo $ARCH | grep -q '\(i.86\|x86_64\)' 2>/dev/null; then
    RELOCATIONS="-reduce-relocations"
  else
    RELOCATIONS=""
  fi

  if [ "$P1" != "--oldbuild" ]; then
    # Fix path to mysql header
    cat $PATCHDIR/qt5.mysql.h.diff | patch -p1 --verbose || exit 1

    if ! pkg-config --exists libpulse 2>/dev/null ; then
      # Forcibly disable pulseaudio in qtwebengine:
      cat $PATCHDIR/qt5.pulseaudio.diff | patch -p1 --verbose || exit 1
    fi

    # Use our custom compiler and linker flags:
    sed -e "s|^\(QMAKE_CFLAGS_RELEASE.*\)|\1 ${SLKCFLAGS}|" \
      -i qtbase/mkspecs/common/gcc-base.conf || exit 1
    sed -e "s|^\(QMAKE_LFLAGS_RELEASE.*\)|\1 ${SLKLDFLAGS}|" \
      -i qtbase/mkspecs/common/g++-unix.conf || exit 1
  fi

  if ! pkg-config --exists libpulse 2>/dev/null ; then
    # Disable pulseaudio in Qt5:
    PACONF="-no-pulseaudio"
  else
    PACONF=" "
  fi

  export CFLAGS="$SLKCFLAGS"
  export CXXFLAGS="$SLKCFLAGS"
  export OPENSOURCE_CXXFLAGS="$SLKCFLAGS"
  export QTDIR="${TMP}/qt-everywhere-src-${INT_QT}"
  export LD_LIBRARY_PATH="${QTDIR}/qtbase/lib:${QTDIR}/qttools/lib"
  export QT_PLUGIN_PATH="${QTDIR}/qtbase/plugins"
  ./configure -v \
    -confirm-license \
    -opensource \
    -prefix /usr/lib${LIBDIRSUFFIX}/calibre4 \
    -system-libpng \
    -system-libjpeg \
    -system-zlib \
    -system-sqlite \
    -plugin-sql-sqlite \
    -accessibility \
    -alsa \
    -dbus \
    -glib \
    -icu \
    -openssl \
    -optimized-qmake \
    -qpa xcb \
    -qt-harfbuzz \
    -qt-pcre \
    -qt-xcb \
    -verbose \
    -nomake examples \
    -no-pulseaudio \
    -no-separate-debug-info \
    -no-strip \
    -no-use-gold-linker \
    -no-sql-odbc -no-sql-psql \
    -no-qml-debug \
    -skip qt3d -skip qtactiveqt -skip qtandroidextras -skip qtcharts \
    -skip qtconnectivity -skip qtdatavis3d -skip qtdoc -skip qtgamepad \
    -skip qtgraphicaleffects -skip qtlottie -skip qtmacextras \
    -skip qtmultimedia -skip qtnetworkauth -skip qtpurchasing \
    -skip qtquickcontrols -skip qtquickcontrols2 -skip qtremoteobjects \
    -skip qtscript -skip qtscxml -skip qtserialbus -skip qtserialport \
    -skip qtspeech -skip qttools -skip qttranslations -skip qtwayland \
    -skip qtwebglplugin -skip qtwebsockets -skip qtwebview \
    -skip qtwinextras -skip qtxmlpatterns \
    -webengine-proprietary-codecs \
    ${PACONF} \
    $RELOCATIONS \
    -no-pch \
     2>&1 | tee $OUTPUT/configure-${PRGNAM}_${MOD}.log

  # Sometimes a failure happens when parallelizing make.  Retry if make fails,
  # but make a failure the second time around (single threaded) a fatal error:
  make $NUMJOBS || make || exit 1 \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log
  make install INSTALL_ROOT=$PKG \
    2>&1 | tee $OUTPUT/install-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a LICENSE* README* \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_qt5


#
# Build libmtp:
#
make_mtp() {

  local MOD="libmtp"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/libmtp-${INT_MTP}

  CFLAGS="$SLKCFLAGS" \
  ./configure \
    --prefix=/usr/lib${LIBDIRSUFFIX}/calibre4 \
    --disable-static

  # Build and install:
  make $NUMJOBS || make || exit 1
  make install DESTDIR=$PKG || exit 1

  # Guess someone didn't have enough to drink:
  ( cd $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/bin
    rm -f mtp-sendtr mtp-sendfile mtp-newfolder mtp-getfile mtp-delfile
    ln -s mtp-connect mtp-sendtr
    ln -s mtp-connect mtp-sendfile
    ln -s mtp-connect mtp-newfolder
    ln -s mtp-connect mtp-getfile
    ln -s mtp-connect mtp-delfile
  )

  # No need for this in the calibre4 package:
  rm -rf $PKG/lib $PKG/usr/lib/udev

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a README* \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_libmtp


#
# Build ImageMagick:
#
make_magick() {

  local MOD="ImageMagick"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/ImageMagick-${INT_MAGICK}

  LDFLAGS="" CFLAGS="" CXXFLAGS="" \
  ./configure \
    --prefix=/usr/lib${LIBDIRSUFFIX}/calibre4 \
    --enable-shared \
    --disable-static \
    --disable-openmp \
    --without-modules \
    --without-frozenpaths \
    --without-perl \
    --without-x \
    --with-gcc-arch=$ARCH \
    --enable-zero-configuration \
    --build=$TARGET \
    2>&1 | tee $OUTPUT/configure-${PRGNAM}_${MOD}.log

  # Build (no parallel build!) and install: follow the official SlackBuild
  # and first install to the target location, then rebuild and install into
  # the package location.
  make 2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log
  make install \
    2>&1 | tee $OUTPUT/install-${PRGNAM}_${MOD}.log
  make clean
  echo -e "\n**  Second run of 'make' for ImageMagick  **\n" \
    >> $OUTPUT/make-${PRGNAM}_${MOD}.log
  make 2>&1 | tee -a $OUTPUT/make-${PRGNAM}_${MOD}.log
  echo -e "\n**  Second run of 'make install' for ImageMagick  **\n" \
    >> $OUTPUT/make-${PRGNAM}_${MOD}.log
  make install DESTDIR=$PKG \
    2>&1 | tee -a $OUTPUT/install-${PRGNAM}_${MOD}.log

  # .la files in libdir should be removed.
  # Other .la files should be left alone, as ImageMagick uses them internally
  # to locate modules.
  rm -f $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/lib/*.la

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a AUTHORS LICENSE NEWS NOTICE README* \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_magick

#
# Build python 2.7:
#
make_python() {

  local MOD="python"
  echo -e "\n**  $MOD  **\n"

  local BRANCH_VERSION=$(echo $INT_PYTHON | cut -f 1,2 -d . )
  local SITEPK=/usr/lib${LIBDIRSUFFIX}/calibre4/lib/python${BRANCH_VERSION}/site-packages

  cd $TMP/tmp-$PRGNAM/Python-${INT_PYTHON}

  if [ "$P1" != "--oldbuild" ]; then
    cat $PATCHDIR/python.readline.set_pre_input_hook.diff \
      | patch -p1 --verbose \
      2>&1 | tee $OUTPUT/patch-${PRGNAM}_${MOD}.log
  fi

  # We are going to install python inside the calibre4 package.
  # This requires some changes to the standard build:
  # Creating the 'lib' directory below is needed! We are going to use rpath
  # so that we can run python from this non-standard path:
  mkdir -p /usr/lib${LIBDIRSUFFIX}/calibre4/lib

  LDFLAGS="-Wl,-rpath /usr/lib${LIBDIRSUFFIX}/calibre4/lib" \
  ./configure \
    --prefix=/usr/lib${LIBDIRSUFFIX}/calibre4 \
    --bindir=/usr/lib${LIBDIRSUFFIX}/calibre4 \
    --with-threads \
    --enable-ipv6 \
    --enable-shared \
    --enable-unicode=ucs4 \
    --build=$TARGET \
    2>&1 | tee $OUTPUT/configure-${PRGNAM}_${MOD}.log

  make $NUMJOBS || make 2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log
  make install DESTDIR=$PKG 2>&1 | tee -a $OUTPUT/make-${PRGNAM}_${MOD}.log

  # We'll install the python-tools under site-packages:
  mkdir -p $SITEPK
  cp -a Tools/* $SITEPK/

  # No need for man pages now:
  rm -rf $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/share/man

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a LICENSE README \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_python

#
# Build pyseuptools:
#
make_setuptools() {

  local MOD="setuptools"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/setuptools-${INT_SETUPTOOLS}
  rm -f setuptools/*.exe

  # Compile and install
  python2 setup.py install --root=$PKG \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a *.rst \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_setuptools


#
# Build pip:
#
make_pip() {

  local MOD="pip"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/pip-${INT_PIP}

  # Compile and install
  python2 setup.py install --root=$PKG \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a AUTHORS.txt LICENSE.txt NEWS.rst PKG-INFO README.rst \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_pip


make_dnspython() {

  local MOD="dnspython"
  echo -e "\n**  ${MOD}  **\n"

  cd $TMP/tmp-$PRGNAM/dnspython-${INT_DNSPYTHON}

  # Compile and install
  python2 setup.py install --root=$PKG \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a LICENSE README* \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_dnspython

#
# Build css-parser:
#
make_cssparser() {

  local MOD="cssparser"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/css-parser-${INT_CSSPARSER}

  # The source is infested with DOS files:
  sed -i -e 's/\r//' $( find . -type f -exec file "{}" ";" | \
    grep CRLF | cut -f1 -d: ) \
    || true

  # Compile and install
  python2 setup.py install --root=$PKG \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a README* \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_cssparser

#
# Build dateutil:
#
make_dateutil() {

  local MOD="dateutil"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/python-dateutil-${INT_DATEUTIL}

  # Compile and install
  python2 setup.py install --root=$PKG \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a LICENSE NEWS \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_dateutil

#
# Build imaging (this package is called "python-pillow" in Slackware):
#
make_pillow() {

  local MOD="pillow"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/Pillow-${INT_PILLOW}

  # Installation path for headers:
  PYTHONINC=$( python2 -c 'from distutils.sysconfig import *;print (get_python_inc())' )

  # Compile and install
  CFLAGS="$SLKCFLAGS" \
  python2 setup.py install --root $PKG \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a CHANGES* LICENSE README* RELEASING* \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_pillow

#
# Build lxml:
#
make_lxml() {

  local MOD="lxml"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/lxml-${INT_LXML}

  # Compile and install
  python2 setup.py install --root=$PKG \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a *.txt doc/licenses \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_lxml

#
# Build mechanize:
#
make_mechanize() {

  local MOD="mechanize"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/mechanize-${INT_MECHANIZE}

  # Compile and install
  export CFLAGS="$SLKCFLAGS"
  python2 setup.py install --root=$PKG \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a *.txt \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_mechanize

#
# Build sip:
#
make_sip() {

  local MOD="sip"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/sip-${INT_SIP}

  # Compile and install sip first:
  python2 configure.py \
    CFLAGS="$SLKCFLAGS" \
    CXXFLAGS="$SLKCFLAGS" \
    2>&1 | tee $OUTPUT/configure-${PRGNAM}_${MOD}.log
  make $NUMJOBS || make 2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log
  make install DESTDIR=$PKG 2>&1 | tee $OUTPUT/install-${PRGNAM}_${MOD}.log

  echo -e "\n**  $MOD - PyQt5 module **\n"

  # Add the PyQt5 private sip module:
  make clean
  python2 configure.py \
    --sip-module PyQt5.sip \
    --no-tools \
    CFLAGS="$SLKCFLAGS" \
    CXXFLAGS="$SLKCFLAGS" \
    2>&1 | tee -a $OUTPUT/configure-${PRGNAM}_${MOD}.log
  make $NUMJOBS || make 2>&1 | tee -a $OUTPUT/make-${PRGNAM}_${MOD}.log
  make install DESTDIR=$PKG 2>&1 | tee -a $OUTPUT/install-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a LICENSE* NEWS README \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_sip

#
# Build dbus-python:
#
make_dbuspython() {

  local MOD="dbus-python"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/dbus-python-${INT_DBUSPYTHON}

  LDFLAGS="" \
  LD_LIBRARY_PATH="/usr/lib${LIBDIRSUFFIX}/calibre4/lib" \
  PYTHON_INCLUDES="$SLK_PYTHON_INCLUDES" \
  PYTHON_LIBS="$SLK_PYTHON_LIBS" \
  ./configure \
    --prefix=/usr/lib${LIBDIRSUFFIX}/calibre4 \
    --enable-shared=yes \
    --enable-static=no \
    --build=$TARGET \
    --host=$TARGET \
    2>&1 | tee $OUTPUT/configure-${PRGNAM}_${MOD}.log

  make 2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log
  make install DESTDIR=$PKG 2>&1 | tee -a $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a AUTHORS COPYING* INSTALL NEWS README* \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_dbuspython

#
# Build python-pygments:
#
make_pygments() {

  local MOD="pygments"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/Pygments-${INT_PYGMENTS}

  # Compile and install
  export CFLAGS="$SLKCFLAGS"
  python2 setup.py install --root=$PKG \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a AUTHORS CHANGES LICENSE README* TODO \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_pygments


#
# Build PyQt5:
#
make_pyqt5() {

  local MOD="pyqt5"
  echo -e "\n**  $MOD  **\n"

  PYTHON2VER=$(python2 -V 2>&1 | cut -f 2 -d' ' | cut -f 1-2 -d. 2>/dev/null)
  PYTHON2LIB=$( python2 -c 'from distutils.sysconfig import get_python_lib; print get_python_lib()' 2>/dev/null )

  cd $TMP/tmp-$PRGNAM/PyQt5-${INT_PYQT5}

  if [ "$P1" != "--oldbuild" ]; then
    # Remove code that is unneeded if Qt is not bundled and crashes on python2
    # https://www.riverbankcomputing.com/pipermail/pyqt/2019-July/041896.html
    cat $SRCDIR/patches/pyqt5-python2-crash.patch |patch -p1 --verbose || exit 1
  fi

  if [ "${BUILD_QT}" = "NO" ]; then
    export QTDIR=/usr/lib${LIBDIRSUFFIX}/qt5
  else
    unset QT5DIR
    export QTDIR=/usr/lib${LIBDIRSUFFIX}/calibre4
  fi

  export CFLAGS="$SLKCFLAGS"
  export CXXFLAGS="$SLKCFLAGS"

  python2 configure.py \
    --confirm-license \
    --verbose \
    --qsci-api \
    --qmake=$QTDIR/bin/qmake \
    2>&1 | tee $OUTPUT/configure-${PRGNAM}_${MOD}.log

  make $NUMJOBS || make \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  make -j1 install DESTDIR=$PKG INSTALL_ROOT=$PKG  \
    2>&1 | tee -a $OUTPUT/make-${PRGNAM}_${MOD}.log

  rm -rf $PKG/$PYTHON2LIB/PyQt5/uic/port_v3/

  if [ "${BUILD_QT}" = "NO" ]; then
    # Remove ugly bits that threaten to overwrite a system file:
    rm -rf $PKG/usr/lib${LIBDIRSUFFIX}/qt5
  fi

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a LICENSE* NEWS \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_pyqt5


#
# Build PyQtWebEngine:
#
make_pyqtwebengine() {

  local MOD="pyqtwebengine"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/PyQtWebEngine-${INT_PYQT5}

  if [ "${BUILD_QT}" = "NO" ]; then
    export QTDIR=/usr/lib${LIBDIRSUFFIX}/qt5
  else
    unset QT5DIR
    export QTDIR=/usr/lib${LIBDIRSUFFIX}/calibre4
  fi

  export CFLAGS="$SLKCFLAGS"
  export CXXFLAGS="$SLKCFLAGS"

  python2 configure.py \
    --qmake=$QTDIR/bin/qmake \
    2>&1 | tee $OUTPUT/configure-${PRGNAM}_${MOD}.log
  make $NUMJOBS || make \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log
  make -j1 install DESTDIR=$PKG INSTALL_ROOT=$PKG  \
    2>&1 | tee -a $OUTPUT/make-${PRGNAM}_${MOD}.log
  install -Dm644 PyQtWebEngine.api -t $PKG/usr/share/qt5/qsci/api/python

  if [ "${BUILD_QT}" = "NO" ]; then
    # Remove ugly bits that threaten to overwrite a system file:
    rm -rf $PKG/usr/lib${LIBDIRSUFFIX}/qt5
  fi

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a LICENSE* NEWS \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_pyqtwebengine


#
# Build pycrypto:
#
make_pycrypto() {

  local MOD="pycrypto"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/pycrypto-${INT_PYCRYPTO}

  # Compile and install
  export CFLAGS="$SLKCFLAGS"
  python2 setup.py install --root=$PKG \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a ACKS ChangeLog COPYRIGHT README TODO Doc \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_pycrypto

#
# Build netifaces:
#
make_netifaces() {

  local MOD="netifaces"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/netifaces-${INT_NETIFACES}

  # Compile and install
  export CFLAGS="-I/usr/lib${LIBDIRSUFFIX}/calibre4/include"
  python2 setup.py install --root=$PKG \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log
  unset CFLAGS

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a LICENSE README* \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_netifaces


#
# Build apsw:
#
make_apsw() {

  local MOD="apsw"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/apsw-${INT_APSW}

  # Link in the SQLite amalgamation files to compile sqlite
  # statically into the module:
  ln -s ../sqlite-amalgamation-${INT_SQLITE} sqlite3

  # Compile and install
  export CFLAGS="$SLKCFLAGS"
  python2 setup.py install --root=$PKG \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a PKG-INFO \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_apsw


#
# Build psutil:
#
make_psutil() {

  local MOD="psutil"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/psutil*-${INT_PSUTIL}

  # Compile and install
  export CFLAGS="$SLKCFLAGS"
  python2 setup.py install --root=$PKG \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a CREDITS HISTORY* INSTALL* LICENSE README* \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_psutil

#
# Build optipng:
#
make_optipng() {

  local MOD="optipng"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/optipng-${INT_OPTIPNG}

  ./configure -prefix=/usr \
    2>&1 | tee $OUTPUT/configure-${PRGNAM}_${MOD}.log

  make -C src 2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log
  mkdir -p $PKG/usr/bin
  install -v -m0755 src/optipng/optipng $PKG/usr/bin/optipng-calibre4 \
    2>&1 | tee -a $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a AUTHORS.txt LICENSE.txt README.tx* \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_optipng


#
# Build unrar source:
#
make_unrarsrc() {

  local MOD="unrarsrc"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/unrar
  if [ "$P1" != "--oldbuild" ]; then
    cp -a ../unrar ../libunrar
  else
    make clean
    make clean -C ../libunrar
  fi
  make -C ../libunrar lib libversion=${INT_UNRARSRC} CXXFLAGS="$SLKCFLAGS" \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log
  make -f makefile unrar lib CXXFLAGS="$SLKCFLAGS" \
    2>&1 | tee -a $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Manually install binaries:
  install -D -m 755 unrar $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/bin/unrar
  install -D -m 755 ../libunrar/libunrar.so $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/lib/libunrar.so
  install -D -m 644 dll.hpp $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/include/unrar/dll.hpp

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a acknow.txt license.txt readme.txt \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_unrarsrc


#
# Build hunspell:
#
make_hunspell() {

  local MOD="hunspell"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/hunspell-${INT_HUNSPELL}

  autoreconf -vif \
    2>&1 | tee $OUTPUT/configure-${PRGNAM}_${MOD}.log

  CFLAGS="$SLKCFLAGS" \
  CXXFLAGS="$SLKCFLAGS" \
  ./configure \
    --prefix=/usr/lib${LIBDIRSUFFIX}/calibre4 \
    --disable-static \
    --with-readline \
    --build=$TARGET \
    2>&1 | tee $OUTPUT/configure-${PRGNAM}_${MOD}.log

  # Build and install:
  make $NUMJOBS || make \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log
  make install DESTDIR=$PKG \
    2>&1 | tee $OUTPUT/install-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a ABOUT-NLS AUTHORS* BUGS COPYING* ChangeLog* NEWS README* THANKS TODO \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_hunspell


#
# Build hyphen:
#
make_hyphen() {

  local MOD="hyphen"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/hyphen-${INT_HYPHEN}

  LDFLAGS="" \
  LD_LIBRARY_PATH="/usr/lib${LIBDIRSUFFIX}/calibre4/lib" \
  ./configure \
    --prefix=/usr/lib${LIBDIRSUFFIX}/calibre4 \
    --enable-shared=yes \
    --enable-static=no \
    --build=$TARGET \
    --host=$TARGET \
    2>&1 | tee $OUTPUT/configure-${PRGNAM}_${MOD}.log

  make 2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log
  make install DESTDIR=$PKG 2>&1 | tee -a $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a AUTHORS COPYIN* ChangeLog INSTALL NEWS READM* THANKS TODO \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_hyphen


#
# Build python-regex:
#
make_regex() {

  local MOD="regex"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/regex-${INT_REGEX}

  # Compile and install
  export CFLAGS="$SLKCFLAGS"
  python2 setup.py install --root=$PKG --optimize=1 \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a docs/Features.html docs/Features.rst docs/UnicodeProperties.txt \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_regex


#
# Build msgpack-python:
#
make_msgpack() {

  local MOD="msgpack"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/msgpack-${INT_MSGPACK}

  # Compile and install
  export CFLAGS="$SLKCFLAGS"
  python2 setup.py install --root=$PKG --optimize=1 \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a COPYING* README* \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_msgpack


#
# Build six:
#
make_six() {

  local MOD="six"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/six-${INT_SIX}

  # Compile and install
  export CFLAGS="$SLKCFLAGS"
  python2 setup.py install --root=$PKG --optimize=1 \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a CHANGES LICENSE* README* \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_six


#
# Build enum34 (backported from Python3:
#
make_enum34() {

  local MOD="enum34"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/enum34-${INT_ENUM34}

  # Compile and install
  export CFLAGS="$SLKCFLAGS"
  python2 setup.py install --root=$PKG --optimize=1 \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a PKG-INFO enum/LICENSE enum/README \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_enum34


#
# Build webencodings:
#
make_webenc() {

  local MOD="webencodings"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/webencodings-${INT_WEBENC}

  # Compile and install
  export CFLAGS="$SLKCFLAGS"
  python2 setup.py install --root=$PKG --optimize=1 \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a README* \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_webenc


#
# Build html5lib:
#
make_html5lib() {

  local MOD="html5lib"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/html5lib-${INT_HTML5LIB}

  # Compile and install
  export CFLAGS="$SLKCFLAGS"
  python2 setup.py install --root=$PKG --optimize=1 \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a LICENSE* README* *.rst requirements.txt \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_html5lib


#
# Build html5-parser:
#
make_html5parser() {

  local MOD="html5-parser"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/html5-parser-${INT_HTML5PARSER}

  # Compile and install
  export CFLAGS="$SLKCFLAGS"
  python2 setup.py install --root=$PKG --optimize=1 \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a LICENSE* README* \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_html5parser


#
# Build unrardll:
#
make_unrardll() {

  local MOD="unrardll"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/unrardll-${INT_UNRARDLL}

  # Compile and install
  export CFLAGS="$SLKCFLAGS -I/usr/lib${LIBDIRSUFFIX}/calibre4/include"
  python2 setup.py install --root=$PKG --optimize=1 \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a LICENSE* README* \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_unrardll


make_feedparser() {

  local MOD="feedparser"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/feedparser-${INT_FEEDPARSER}

  # Compile and install
  export CFLAGS="$SLKCFLAGS"
  python2 setup.py install --root=$PKG --optimize=1 \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a LICENSE* NEWS README* \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_feedparser


make_Markdown() {

  local MOD="Markdown"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/Markdown-${INT_MARKDOWN}

  # Compile and install
  export CFLAGS="$SLKCFLAGS"
  python2 setup.py install --root=$PKG --optimize=1 \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a *.md \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_Markdown


make_beautifulsoup() {

  local MOD="beautifulsoup"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/beautifulsoup4-${INT_BEAUTIFULSOUP}

  # Compile and install:
  python2 setup.py install --root=$PKG \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a *.txt LICENSE README.md \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_beautifulsoup


make_bflc() {

  local MOD="backports.functools_lru_cache"
  echo -e "\n**  $MOD  **\n"

  # First, define the backports namespace:
  (
    local BRANCH_VERSION=$(echo $INT_PYTHON | cut -f 1,2 -d . )
    cd $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/lib/python${BRANCH_VERSION}/site-packages
    mkdir -p backports
    cd backports
    cat << EOF > __init__.py
from pkgutil import extend_path
__path__ = extend_path(__path__, __name__)
EOF
     python2 -m compileall . || true
  )

  cd $TMP/tmp-$PRGNAM/backports.functools_lru_cache-${INT_BFLC}

  # Compile and install:
  python2 setup.py install --root=$PKG \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

} # End make_bflc


make_soupsieve() {

  local MOD="soupsieve"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/soupsieve-${INT_SOUPSIEVE}

  # Compile and install:
  python2 setup.py build \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log
  python2 setup.py install --root=$PKG --optimize=1 \
    2>&1 | tee -a $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a *.md \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_soupsieve


make_html2text() {

  local MOD="html2text"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/html2text-${INT_HTML2TEXT}

  # Compile and install:
  python2 setup.py install --root=$PKG \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a *.rst COPYING README.md \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_html2text


make_chardet() {

  local MOD="chardet"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/chardet-${INT_CHARDET}

  # Compile and install:
  python2 setup.py install --root=$PKG \
    2>&1 | tee $OUTPUT/make-${PRGNAM}_${MOD}.log

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a *.rst LICENSE \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_chardet


make_podofo() {

  local MOD="podofo"
  echo -e "\n**  $MOD  **\n"

  cd $TMP/tmp-$PRGNAM/podofo-${INT_PODOFO}

  # Fix the mandir location (we delete usr/man later on):
  sed -i -e 's#SET(MANDIR "share/man/")#SET(MANDIR "man/")#' CMakeLists.txt

  # Build fails otherwise:
  mkdir -p test/TokenizerTest/objects

  mkdir -p build
  cd build
    cmake \
      -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
      -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
      -DFREETYPE_INCLUDE_DIR=/usr/include/freetype2 \
      -DCMAKE_INSTALL_PREFIX=/usr/lib${LIBDIRSUFFIX}/calibre4 \
      -DPODOFO_BUILD_STATIC:BOOL=0 \
      -DPODOFO_BUILD_SHARED:BOOL=1 \
      -DPODOFO_USE_VISIBILITY:BOOL=1 \
      -DCMAKE_CXX_STANDARD:STRING=11 \
      -DWANT_BOOST:BOOL=0 \
      ..
    make $NUMJOBS 2>&1 | tee $OUTPUT/make-${PRGNAM}.log
    make DESTDIR=$PKG install 2>&1 | tee $OUTPUT/install-${PRGNAM}.log
  cd - 1>/dev/null

  # Add documentation:
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD}
  cp -a AUTHORS ChangeLog CODING* CONTRIBUTIONS* COPYING* \
    FAQ* INSTALL README* TODO \
    $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/${MOD} || true

} # End make_podofo



# --------------
# Build calibre4:
# --------------

make_calibre4 () {

  echo -e "\n**  calibre4  **\n"

  touch $OUTPUT/patch-$PRGNAM.log
  cd $TMP/tmp-$PRGNAM/${SRCNAM}-${VERSION}

  if [ "$P1" != "--oldbuild" ]; then
    # This dropping of privilege is unneccessary and breaks the SlackBuild:
    sed -i -e "s:if os.geteuid() == 0:if False and os.geteuid() == 0:" \
      setup/install.py

    ## Calibre should not hard-code the hunspell library version:
    #OURLIB=$(pkg-config --libs hunspell |sed 's/-l//')
    #sed -i setup/extensions.json -e 's/"libraries": "hunspell-.*"/"libraries": "'$OURLIB'"/'

    # On -current with newer qt5 we need this patch:
    # https://github.com/kovidgoyal/calibre/commit/db7007a25faefb0cc90e64dda1c0793393b9512d.patch
    cat $PATCHDIR/calibre4_qt515_fontconfig.patch |patch -p1 --verbose || exit 1

    # On -current with newer icu4c we need this patch:
    cat $PATCHDIR/calibre4_icu68.patch  | patch -p1 --verbose || exit 1
  fi

  # See if we picked up any compiler or linker flags for python:
  LDFLAGS=${LDFLAGS:-""}
  CFLAGS=${CFLAGS:-""}

  # Place where we have to install stuff:
  PYTHONLIB=$( python2 -c "from distutils.sysconfig import get_python_lib; print (get_python_lib())" )

  # Create the directory for calibre4's environment module:
  mkdir -p $PKG$PYTHONLIB

  # Find the prefix python was installed to (may be different from calibre4's):
  PYTHONROOT=$( python2 -c "from distutils.sysconfig import get_python_lib; print (get_python_lib(prefix='/'))" )
  PYTHONPREF="${PYTHONLIB%$PYTHONROOT}"

  # Massage the install script to actually install to that python libdir:
  sed -e "/s.get_python_lib(prefix=/s,(prefix=.*),(prefix='$PKG$PYTHONPREF')," \
      -i setup/install.py 

  # Cut out the DOS crap:
  sed -i -e 's/\r//' src/calibre/web/feeds/recipes/*

  export HUNSPELL_INC_DIR="/usr/lib${LIBDIRSUFFIX}/calibre4/include/hunspell" \
  export HUNSPELL_LIB_DIR="/usr/lib${LIBDIRSUFFIX}/calibre4/lib" \
  export PODOFO_INC_DIR="/usr/lib${LIBDIRSUFFIX}/calibre4/include/podofo" \
  export PODOFO_LIB_DIR="/usr/lib${LIBDIRSUFFIX}/calibre4/lib" \

  OVERRIDE_LDFLAGS="$LDFLAGS $SLKLDFLAGS" \
  OVERRIDE_CFLAGS="$CFLAGS $SLKCFLAGS" \
  LANG='en_US.UTF-8' python2 setup.py build \
    2>&1 | tee $OUTPUT/make-${PRGNAM}.log

  # Create the directories the xdg-utils expects to be present:
  mkdir -p $PKG/usr/share/{applications,icons/hicolor,mime/packages}
  mkdir -p $PKG/usr/share/{desktop-directories,packages}

  # Install the lot:
  XDG_DATA_DIRS="$PKG/usr/share" \
  XDG_UTILS_INSTALL_MODE="system" \
  LIBPATH=/usr/lib${LIBDIRSUFFIX} \
  LANG='en_US.UTF-8' \
  python2 setup.py install \
    --prefix=/usr \
    --libdir=/usr/lib${LIBDIRSUFFIX} \
    --staging-root=$PKG/usr \
    --staging-libdir=$PKG/usr/lib${LIBDIRSUFFIX} \
    2>&1 | tee $OUTPUT/install-$PRGNAM.log

  # The bash completion files need to be in /etc :
  [ -d $PKG/usr/etc ] && mv $PKG/usr/etc $PKG/

  # Add man pages:
  mkdir -p ${PKG}/usr/man
  cp -a man-pages/* ${PKG}/usr/man/

  # This does not belong in a package - use 'removepkg' instead:
  rm -f $PKG/usr/bin/calibre-uninstall

  # Create symlinks to system Libration fonts:
  if [ -d $PKG/usr/share/calibre4/fonts/liberation ]; then
    echo  "** Replacing Liberation fonts with symlinks..."
    ( cd $PKG/usr/share/calibre4/fonts/liberation/
      for FONT in *.ttf *.otf ; do
        if [ -f /usr/share/fonts/TTF/$FONT ]; then
          rm -f $FONT
          ln -sf /usr/share/fonts/TTF/$FONT
        fi
      done
    )
  else
    echo  "** Adding Liberation fonts as symlinks..."
    mkdir -p $PKG/usr/share/calibre4/fonts/liberation
    ( cd $PKG/usr/share/calibre4/fonts/liberation
      for FONT in /usr/share/fonts/TTF/Liberation*.ttf ; do
        ln -sf $FONT
      done
    )
  fi

  # All these files will be generated by update-mime-database:
  find $PKG/usr/share/mime -maxdepth 1 -type f | xargs rm -f

  # But this one needs to be added here:
  install -Dm644 resources/calibre-mimetypes.xml \
    ${PKG}/usr/share/mime/packages/calibre4-mimetypes.xml

  # These files are generated by update-desktop-database while installing:
  rm -f $PKG/usr/share/applications/defaults.list
  rm -f $PKG/usr/share/applications/mimeinfo.cache

  # These two served their purpose:
  rmdir $PKG/usr/share/{desktop-directories,packages}

  # And then some additions or it won't all look nice in your menu:

  # Add a MimeType icon for lrf, and add an application icon:
  for i in 16 24 32 48 64 96 128; do
    mkdir -p $PKG/usr/share/icons/hicolor/${i}x${i}/{apps,mimetypes}
    convert imgsrc/mimetypes/lrf.svg -scale $i \
      $PKG/usr/share/icons/hicolor/${i}x${i}/mimetypes/application-x-sony-bbeb.png
    convert resources/images/library.png -resize ${i}x${i} \
      $PKG/usr/share/icons/hicolor/${i}x${i}/apps/calibre-gui.png
    convert imgsrc/viewer.svg -scale $i \
      $PKG/usr/share/icons/hicolor/${i}x${i}/apps/calibre-viewer.png
  done

} # End of make_calibre4

#
# End of the subroutines.
#

if [ "$BUILD_PYTHONMODS" = "YES" ]; then
  # Not part of Slackware or too old, and need it:
  make_hunspell
  rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

  make_optipng
  rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

  make_podofo
  rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

  make_hyphen
  rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

  make_unrarsrc
  rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/
  # End - not part of Slackware
fi

# Compilation of the optional software:
if [ "$BUILD_PYTHON" = "YES" -o "$BUILD_PYTHONMODS" = "YES" -o "$BUILD_QT" = "YES" -o "$BUILD_MTP" = "YES" -o "$BUILD_MAGICK" = "YES" ]; then
  if  [ -f $SRCDIR/${PRGNAM}_pythondeps-${SLACKVER}-${ARCH}.tar.bz2 ]; then
    # We unwrap the tarball of compiled python internal libraries instead of
    # having to build them - this saves a _lot_ of compile time:
    mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/calibre4
    ( cd $PKG/usr/lib${LIBDIRSUFFIX}/calibre4
      echo "**  Extracting dependencies tarball... **"
      tar -jxf $SRCDIR/${PRGNAM}_pythondeps-${SLACKVER}-${ARCH}.tar.bz2
      # We also need a copy in the filesystem root!
      rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4 /usr/lib${LIBDIRSUFFIX}/
    )
  fi

  # Ensure that our non-standard python2.7 is found and used:
  echo "** Configuring build environment for preferring internal libraries **"
  export PATH="/usr/lib${LIBDIRSUFFIX}/calibre4:/usr/lib${LIBDIRSUFFIX}/calibre4/bin:$PATH"
  export PKG_CONFIG_PATH="/usr/lib${LIBDIRSUFFIX}/calibre4/lib/pkgconfig:$PKG_CONFIG_PATH"
  export LDFLAGS="-Wl,-rpath /usr/lib${LIBDIRSUFFIX}/calibre4/lib -L/usr/lib${LIBDIRSUFFIX}/calibre4/lib"

  # In order to prevent a gcc error if we have to compile libmtp:
  mkdir -p /usr/lib${LIBDIRSUFFIX}/calibre4/lib

fi

if [ "$BUILD_MTP" = "YES" ]; then
  # No sufficiently new libmtp was found so we need to supply it ourself.

  if  [ ! -f $SRCDIR/${PRGNAM}_pythondeps-${SLACKVER}-${ARCH}.tar.bz2 ]; then
    # No tarball containing pre-compiled libraries was found.
    # We need to build libmptp ourself.
    
    # After each part is built we will sync to here because in the end, calibre4
    # will wipe the origin and we will have to sync it all back:
    mkdir -p /usr/lib${LIBDIRSUFFIX}/calibre4

    make_mtp
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/
  fi
fi

if [ "$BUILD_MAGICK" = "YES" ]; then
  # We want to have an internal version of ImageMagick to be less dependent
  # of Slackware library version changes.

  if  [ ! -f $SRCDIR/${PRGNAM}_pythondeps-${SLACKVER}-${ARCH}.tar.bz2 ]; then
    # No tarball containing pre-compiled libraries was found.
    # We need to build Magick ourself.
    
    # After each part is built we will sync to here because in the end, calibre4
    # will wipe the origin and we will have to sync it all back:
    mkdir -p /usr/lib${LIBDIRSUFFIX}/calibre4

    make_magick
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/
  fi
fi

if [ "$BUILD_QT" = "YES" ]; then
  # No sufficiently new Qt was found so we need to supply it ourself.

  if  [ ! -f $SRCDIR/${PRGNAM}_pythondeps-${SLACKVER}-${ARCH}.tar.bz2 ]; then
    # No tarball containing pre-compiled libraries was found.
    # We need to build Qt ourself.
    
    # After each part is built we will sync to here because in the end, calibre4
    # will wipe the origin and we will have to sync it all back:
    mkdir -p /usr/lib${LIBDIRSUFFIX}/calibre4

    make_xkbcommon
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_qt5
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/
  fi
fi

if [ "$BUILD_PYTHON" = "YES" ]; then
  # No python2.7 was found on the computer so we need to supply it ourself.

  if  [ ! -f $SRCDIR/${PRGNAM}_pythondeps-${SLACKVER}-${ARCH}.tar.bz2 ]; then
    # No tarball containing pre-compiled python libraries was found.
    # We need to build python2.7 ourself.
    
    # After each part is built we will sync to here because in the end, calibre4
    # will wipe the origin and we will have to sync it all back:
    mkdir -p /usr/lib${LIBDIRSUFFIX}/calibre4

    make_python
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/
  fi

  SLK_PYTHON_INCLUDES="-I/usr/lib${LIBDIRSUFFIX}/calibre4/include/python${REQUIRED_PYTHON}"
  SLK_PYTHON_LIBS="-L/usr/lib${LIBDIRSUFFIX}/calibre4/lib -lpython${REQUIRED_PYTHON}"
else
  SLK_PYTHON_INCLUDES="-I/usr/lib${LIBDIRSUFFIX}/calibre4/include/python${REQUIRED_PYTHON} $(python2 -c 'from distutils.sysconfig import *;print (get_python_inc())')"
  SLK_PYTHON_LIBS="-L/usr/lib${LIBDIRSUFFIX}/calibre4/lib -lpython${REQUIRED_PYTHON} $(python2 -c 'from distutils.sysconfig import *;print (get_python_lib())')"
fi

if [ "$BUILD_PYTHONMODS" = "YES" ]; then
  # The python2.7 modules need to be compiled into the package:

  if  [ ! -f $SRCDIR/${PRGNAM}_pythondeps-${SLACKVER}-${ARCH}.tar.bz2 ]; then
    # No tarball containing pre-compiled python libraries was found.
    # We need to build python2.7 modules ourself.
    
    # After each part is built we will sync to here because in the end, calibre4
    # will wipe the origin and we will have to sync it all back:
    mkdir -p /usr/lib${LIBDIRSUFFIX}/calibre4

    ## Ensure that all our binaries and libraries are found and used:
    #export PATH="/usr/lib${LIBDIRSUFFIX}/calibre4:/usr/lib${LIBDIRSUFFIX}/calibre4/bin:$PATH"
    #export PKG_CONFIG_PATH="/usr/lib${LIBDIRSUFFIX}/calibre4/lib/pkgconfig:$PKG_CONFIG_PATH"
    #export LDFLAGS="-Wl,-rpath /usr/lib${LIBDIRSUFFIX}/calibre4/lib -L/usr/lib${LIBDIRSUFFIX}/calibre4/lib"

    make_setuptools
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_pip
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_unrardll
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_pillow
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_apsw || exit 1
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_beautifulsoup
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_bflc
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_soupsieve
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_dnspython
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_cssparser
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_dateutil
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_lxml
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_mechanize
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_pycrypto
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_netifaces
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_dbuspython
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_psutil
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_pygments
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_enum34
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_sip
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_pyqt5
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_pyqtwebengine
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_regex
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_msgpack
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_six
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_webenc
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_html5lib
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_html5parser
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_feedparser
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_Markdown
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_html2text
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

    make_chardet
    rsync -a $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/ /usr/lib${LIBDIRSUFFIX}/calibre4/

  fi
fi

if [ "$BUILD_PYTHON" = "YES" -o "$BUILD_PYTHONMODS" = "YES" -o "$BUILD_QT" = "YES" -o "$BUILD_MTP" = "YES" ]; then
  # At this point we can wrap the compiled python etc. internal libraries
  # into a tarball which we can re-use in a future build (so that we do not
  # have to recompile them every time).
  # If you want to make use of this, then just copy the resulting tarball
  # into the same directory as this SlackBuild script:
  if  [ ! -f $SRCDIR/${PRGNAM}_pythondeps-${SLACKVER}-${ARCH}.tar.bz2 ]; then
    ( cd $PKG/usr/lib${LIBDIRSUFFIX}/calibre4
      echo "**"
      echo "** Creating dependencies tarball $OUTPUT/${PRGNAM}_pythondeps-${SLACKVER}-${ARCH}.tar.bz2"
      echo "** Move this file to $SRCDIR for future compilation speedups."
      echo "**"
      tar -jcf $OUTPUT/${PRGNAM}_pythondeps-${SLACKVER}-${ARCH}.tar.bz2 .
    )
  fi
fi

# We need to point calibre4's compilation at our custom headers:
export CFLAGS="-I/usr/lib${LIBDIRSUFFIX}/calibre4/include"

# The main course - compile calibre4:
make_calibre4

if [ "$BUILD_PYTHON" = "YES" ]; then

  # Compiling calibre4 will have wiped all previously compiled python stuff,
  # so we need to put it back into the package, and then it can go:
  rsync -a /usr/lib${LIBDIRSUFFIX}/calibre4/ $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/
  # Wait with with the removal until after byte-compiling:
  #rm -rf /usr/lib${LIBDIRSUFFIX}/calibre4

  # We need to tell calibre4 to use the internal python:
  for FILE in $PKG/usr/bin/* ; do
   if ! file $FILE | grep -q ELF ; then
    sed -i \
     -e "s,^#!/usr/bin/env .*$,#!/usr/lib${LIBDIRSUFFIX}/calibre4/python2," \
     $FILE
   fi
  done

  # This is not needed in the package:
  rm -rf $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/{bin,lib/pkgconfig,lib/python*/test,share,usr/man}

  # Compiling bytecode makes Calibre startup much faster:
  set +e
  /usr/lib${LIBDIRSUFFIX}/calibre4/python2 -m compileall -d '/' ${PKG}/usr/lib${LIBDIRSUFFIX}/calibre4/ || true
  /usr/lib${LIBDIRSUFFIX}/calibre4/python2 -OO -m compileall -d '/' ${PKG}/usr/lib${LIBDIRSUFFIX}/calibre4/ || true
  set -e

  # Now we can remove these from the filesystem:
  rm -rf /usr/lib${LIBDIRSUFFIX}/calibre4
fi

# Create a doinst.sh:
mkdir -p $PKG/install
cat <<EOT >> $PKG/install/doinst.sh
# Update the desktop and mime database:
if [ -x usr/bin/update-desktop-database ]; then
  chroot . /usr/bin/update-desktop-database usr/share/applications > /dev/null 2>&1
fi
if [ -x usr/bin/update-mime-database ]; then
  chroot . /usr/bin/update-mime-database usr/share/mime > /dev/null 2>&1
fi
if [ -x usr/bin/gtk-update-icon-cache ] ; then
  chroot . /usr/bin/gtk-update-icon-cache --quiet usr/share/icons/hicolor 
fi

EOT

# Add documentation:
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
# First, the calibre4 documentation files:
cp -a $DOCS $PKG/usr/doc/$PRGNAM-$VERSION || true
if [ "$BUILD_PYTHON" = "YES" -o "$BUILD_PYTHONMODS" = "YES" ]; then
  # Add documentation (mainly licenses) of the internal python deps:
  mv $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc/internaldeps/* $PKG/usr/doc/$PRGNAM-$VERSION/ || true
  rm -rf $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/doc
fi
# Add all the patches we used to build this package:
cp -a $PATCHDIR $PKG/usr/doc/$PRGNAM-$VERSION
# And finally, add this SlackBuild script:
cat $SRCDIR/$(basename $0) > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
chown -R root:root $PKG/usr/doc/$PRGNAM-$VERSION
find $PKG/usr/doc -type f -exec chmod 644 {} \;

# Compress the man page(s):
if [ -d $PKG/usr/man ]; then
  find $PKG/usr/man -type f -name "*.?" -exec gzip -9f {} \;
  for i in $(find $PKG/usr/man -type l -name "*.?") ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
fi

if [ "$BUILD_QT" = "YES" ]; then
  # If we built our own Qt then this can be removed from the package:
  rm -rf $PKG/usr/lib${LIBDIRSUFFIX}/calibre4/{demos,doc,examples,tests}
fi

# Don't ship .la files:
rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la

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

# Add a package description:
mkdir -p $PKG/install
cat $SRCDIR/slack-desc.4 > $PKG/install/slack-desc
# Add the external dependencies :
cat $SRCDIR/slack-required.4 > $PKG/install/slack-required
if [ "$BUILD_PYTHONMODS" = "YES" ]; then
  cat $PKG/install/slack-required \
    | grep -Ev "PyQt5|PyQtWebEngine|dbus-python|dnspython|pycrypto|pysetuptools|python-apsw|python-beautifulsoup4|python-bflc|python-chardet|python-css-parser|python-dateutil|python-enum34|python-feedparser|pyhton-html2text|python-html5-parser|python-html5lib|python-lxml|python-markdown|python-mechanize|python-msgpack|python-netifaces|python-pillow|python-psutil|python-pygments|python-regex|python-six|python-soupsieve|python-unrardll|python-webencodings|sip|sqlite-amalgamation" \
    > $PKG/install/slack-required.temp || true
  mv $PKG/install/slack-required.temp  $PKG/install/slack-required
fi
if [ "$BUILD_QT" = "YES" ]; then
  cat $PKG/install/slack-required \
    | grep -Ev "libxkbcommon|libinput|libwacom|qt5" \
    > $PKG/install/slack-required.temp || true
  mv $PKG/install/slack-required.temp  $PKG/install/slack-required
fi

# Build the package:
cd $PKG
makepkg --linkadd y --chown n $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-txz} 2>&1 | tee $OUTPUT/makepkg-${PRGNAM}.log
cd $OUTPUT
md5sum ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-txz} > ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.${PKGTYPE:-txz}.md5
cd -
cat $PKG/install/slack-desc | grep "^${PRGNAM}" > $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.txt
cat $PKG/install/slack-required > $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.dep

# Restore the original umask:
umask ${_UMASK_}