#!/bin/sh

# Slackware build script for zathura-pdf-mupdf

# Written by B. Watson (yalhcru@gmail.com)

# Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.

PRGNAM=zathura-pdf-mupdf
VERSION=${VERSION:-0.3.2}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

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

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

set -e

if [ ! -d /opt/mupdf-legacy ]; then
  echo "*** Missing required dependency 'mupdf-legacy'" 1>&2
  exit 1
fi

# Use old libs/headers. Works even if a newer mupdf is installed in /usr.
PKG_CONFIG_PATH=/opt/mupdf-legacy/lib$LIBDIRSUFFIX/pkgconfig:$PKG_CONFIG_PATH
export PKG_CONFIG_PATH

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find -L .  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \
        \! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} \+

# Upstream left the README out of the release tarball for some reason.
cat $CWD/upstream.README > README

# mupdf 1.4 and later no longer have libmupdf-js-none (moved to libmupdf).
# Anyway it's better to use pkg-config now that mupdf supports it.
sed -i \
  -e "s,-fPIC,$SLKCFLAGS," \
  -e '/^MUPDF_LIB/s,-.*,$(shell pkg-config --libs mupdf),' \
  -e '/^INCS/s,= ,&$(shell pkg-config --cflags mupdf) ,' \
  config.mk

PLUGDIR=/usr/lib$LIBDIRSUFFIX/zathura

make VERBOSE=1
strip *.so
make install DESTDIR=$PKG PLUGINDIR="$PLUGDIR/pdf-mupdf"

ln -s pdf-mupdf/pdf.so $PKG/$PLUGDIR/pdf.so

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a README AUTHORS LICENSE $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/README > $PKG/usr/doc/$PRGNAM-$VERSION/README_SBo.txt
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}