#!/bin/bash
# Slackware build script for tesseract

# Copyright 2009-2010 Pierre Cazenave <pwcazenave {at} gmail [dot] com>
# Copyright 2013-2015 LukenShiro, Italy
# Copyright 2019-2024 Logan Rathbone <poprocks@gmail.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.

# Pierre Cazenave 10/11/2007.
# Updated 25/01/2009.
# Updated 08/04/2009.
# Updated 28/05/2009 for Slackware64.
# Updated 08/09/2010 Fixed language packs logic (Thanks to Ed Rozenberg)
# Thanks to S+*n_Pe*rm*n for a bug report from OCRopus.
# Modified by Willy Sudiarto Raharjo <willysr@slackware-id.org>

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

PRGNAM=tesseract
VERSION=${VERSION:-5.5.1}
BUILD=${BUILD:-1}
TAG=${TAG:-""}
PKGTYPE=${PKGTYPE:-txz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
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 "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp}
PKG=$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 [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -march=x86-64 -mtune=generic -fPIC"
  LIBDIRSUFFIX="64"
elif [ "$ARCH" = "aarch64" ]; then
  SLKCFLAGS="-O2 -march=armv8-a -mtune=generic -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

DOCFILES="AUTHORS CONTRIBUTING.md ChangeLog LICENSE README.md"
# Language data files
# replace this with the 3-character ISO 639-2 language code of the language(s)
# you want to install: different language data files can coexist nicely.
# Available languages are (in no particular order):
# grc epo_alt eng ukr tur tha tgl tel tam swe swa srp sqi spa_old spa slv
# slk ron por pol nor nld msa mlt mkd mal lit lav kor kan ita_old ita isl
# ind chr hun hrv hin heb glg frm frk fra fin eus est equ epo enm ell due
# dan ces cat bul ben bel aze ara afr jpn chi_sim chi_tra rus vie
# see https://github.com/tesseract-ocr/tessdata/ for a list.
LANGNAM=${LANGNAM:-"eng"}

set -e

rm -rf $TMP/$PRGNAM-$VERSION $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz || tar xvf $CWD/$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
 -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
 -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

./autogen.sh
CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --disable-static \
  --build=$ARCH-slackware-linux

make
make install DESTDIR=$PKG
make training
make training-install DESTDIR=$PKG

# Install language name described above;
# language files are not automatically installed.
mkdir -p $PKG/usr/share/tessdata
for LNG in $LANGNAM ; \
  do cp $CWD/$LNG.traineddata $PKG/usr/share/tessdata/ ; \
done

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

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

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

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $DOCFILES  \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
find $PKG/usr/doc/$PRGNAM-$VERSION -type f -exec chmod 644 {} \;

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

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