#!/bin/sh

# Slackware build script for opencolorio

# Copyright 2015 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=opencolorio
SRCNAM=OpenColorIO
VERSION=${VERSION:-0.git20150311}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}
PYTHON_VERSIONS=${PYTHON_VERSIONS:-"2 3"}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

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

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$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

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT

for v in $PYTHON_VERSIONS ; do
  if [ $(which python$v 2>/dev/null) ]; then
    PY_INCLUDE_DIR=$(pkg-config --cflags-only-I python$v |sed -e 's/-I//')
    PY_SITEDIR=$(python$v -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())")

    cd $TMP
    rm -rf $SRCNAM-$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 {} \;

    mkdir -p build
    cd build
      cmake \
        -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
        -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
        -DCMAKE_INSTALL_PREFIX=/usr \
        -DLIB_SUFFIX=${LIBDIRSUFFIX} \
        -DPYTHON=python$v \
        -DPYTHON_INCLUDE_DIR:PATH=$PY_INCLUDE_DIR \
        -DPYTHON_LIBRARY:PATH=$PY_SITEDIR \
        -DOCIO_BUILD_STATIC:BOOL=OFF \
        -DOCIO_BUILD_JNIGLUE:BOOL=OFF \
        -DCMAKE_BUILD_TYPE=Release ..

      make
      make install DESTDIR=$PKG
  fi
done

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 INSTALL LICENSE README $PKG/usr/doc/$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}
