#!/bin/bash

# Slackware build script for openjpeg

# Copyright 2008-2014 Heinz Wiesinger, Amsterdam, The Netherlands
# Copyright 2014, 2017, 2018, 2019  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.

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

PKGNAM=openjpeg
VERSION=${VERSION:-$(echo $PKGNAM-*.tar.?z | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-1}

NUMJOBS=${NUMJOBS:-" -j$(expr $(nproc) + 1) "}

# Automatically determine the architecture we're building on:
MARCH=$( uname -m )
if [ -z "$ARCH" ]; then
  case "$MARCH" in
    i?86)    export ARCH=i586 ;;
    arm*)    export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
    *)       export ARCH=$MARCH ;;
  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 "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PKGNAM-$VERSION-$ARCH-$BUILD.txz"
  exit 0
fi

if [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=pentium4 -mtune=generic"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -march=x86-64 -mtune=generic -fPIC"
  LIBDIRSUFFIX="64"
elif [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
else
  SLKCFLAGS=${SLKCFLAGS:-"-O2"}
  LIBDIRSUFFIX=${LIBDIRSUFFIX:-""}
fi

TMP=${TMP:-/tmp}
PKG=$TMP/package-openjpeg

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf openjpeg-$VERSION
tar xvf $CWD/openjpeg-$VERSION.tar.?z || exit 1
cd openjpeg-$VERSION || 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 {} \+

zcat $CWD/openjpeg2_remove-thirdparty.patch.gz | patch -p1 --verbose || exit 1

mkdir -p build
cd build
  cmake \
    -DCMAKE_C_FLAGS="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_INSTALL_LIBDIR="lib$LIBDIRSUFFIX" \
    -DOPENJPEG_INSTALL_LIB_DIR="lib$LIBDIRSUFFIX" \
    -DOPENJPEG_INSTALL_MAN_DIR="man/" \
    -DOPENJPEG_INSTALL_DOC_DIR="doc/openjpeg-$VERSION/" \
    -DOPENJPEG_INSTALL_SHARE_DIR="share/openjpeg" \
    -DBUILD_JPWL:BOOL=ON \
    -DBUILD_MJ2:BOOL=ON \
    -DBUILD_JPIP:BOOL=ON \
    -DBUILD_JP3D:BOOL=ON \
    -DBUILD_STATIC_LIBS=OFF \
    .. || exit 1

  make $NUMJOBS || make || exit 1
  make install DESTDIR=$PKG || exit 1
cd -

# Some libs require the openjpeg.h used for openmj2.
# This version is pretty much the old version from openjpeg 1.5
mkdir -p $PKG/usr/include/openmj2-2.1
install -m 644 src/lib/openmj2/openjpeg.h $PKG/usr/include/openmj2-2.1/

mkdir -p $PKG/usr/man
cp -r doc/man/* $PKG/usr/man/

find $PKG | xargs 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 {} \+

mkdir -p $PKG/usr/doc/openjpeg-$VERSION
cp -a AUTHORS* CHANGES* INSTALL* LICENSE* NEWS* README* THANKS* \
  $PKG/usr/doc/openjpeg-$VERSION

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

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