#!/bin/sh

# Slackware build script for openimageio

# Copyright 2015-2017 Christoph Willing Brisbane, Australia
# 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.

PRGNAM=openimageio
SRCNAM=oiio-Release
VERSION=${VERSION:-1.7.15}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}

PYLIB_INSTALL_DIRECTORY=$(python2 -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())")
PYLIB3_INSTALL_DIRECTORY=$(python3 -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())")

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

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$SRCNAM-$VERSION.tar.gz
cd $SRCNAM-$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 {} \;

# save this for GCC 7.0
#sed -i "s|std=c++11|std=c++11 -Wno-error=maybe-uninitialized -Wno-error=format-truncation -Wno-error=noexcept-type -faligned-new|" CMakeLists.txt

mkdir -p build
cd build
  cmake ../ \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS -std=c++11" \
    -DOPENJPEG_INCLUDE_DIR="/usr/include/openmj2-2.1" \
    -DOPENJPEG_OPENJPEG_LIBRARIES="openmj2" \
    -DCMAKE_BUILD_TYPE=Release \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DDOC_INSTALL_DIR:PATH=doc/$PRGNAM-$VERSION \
    -DLIB_INSTALL_DIR:PATH=lib$LIBDIRSUFFIX \
    -DPYLIB_INSTALL_DIR:PATH=$PYLIB_INSTALL_DIRECTORY \
    -DPYLIB3_INSTALL_DIR:PATH=$PYLIB3_INSTALL_DIRECTORY \
    -DPYLIB_INCLUDE_SONAME:BOOL=ON \
    -DPYLIB_LIB_PREFIX:BOOL=OFF \
    -DUSE_OCIO:BOOL=ON \
    -DUSE_PYTHON:BOOL=ON \
    -DUSE_PYTHON3:BOOL=ON \

  make
  make install DESTDIR=$PKG
cd ..

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

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a CONTRIBUTING.md CREDITS.md INSTALL.md README.md $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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:-tgz}