#!/bin/sh

# SlackBuild script for OTB

# Copyright 2014 Benjamin Trigona-Harany <slackbuilds@jaxartes.net>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "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 COPYRIGHT
# OWNER OR CONTRIBUTORS 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=OTB
VERSION=${VERSION:-4.0.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

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
rm -rf $TMP/$PRGNAM-$VERSION
cd $TMP
tar xvf $CWD/$PRGNAM-$VERSION.tgz
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 {} \;

# optional component support
cmake_options=""
if [ "${MAPNIK:-off}" = "on" ]; then
 cmake_options="$cmake_options -DOTB_USE_MAPNIK=ON"
fi
if [ "${OPENCV:-off}" = "on" ]; then
 cmake_options="$cmake_options -DOTB_USE_OPENCV=ON"
fi

mkdir -p build
cd build
  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_INSTALL_RPATH=/usr/lib${LIBDIRSUFFIX}/otb \
    -DLIBRARY_OUTPUT_PATH=/usr/lib${LIBDIRSUFFIX} \
    -DOTB_USE_EXTERNAL_BOOST=ON \
    -DOTB_USE_EXTERNAL_GDAL=ON \
    -DOTB_USE_EXTERNAL_ITK=OFF \
    -DOTB_BUILD_SHARED_LIBS=ON \
    -DOTB_WRAP_QT:BOOL=ON \
    -DOTB_USE_VISU_GUI:BOOL=ON \
    $cmake_options \
    ..

  make VERBOSE=1
  make install VERBOSE=1 DESTDIR=$PKG
cd ..

# OTB doesn't handle installs to anything but /usr/lib (note RPATH in cmake above)
if [ "$LIBDIRSUFFIX" = "64" ]; then
  mv $PKG/usr/lib $PKG/usr/lib${LIBDIRSUFFIX}
  sed -i "s_lib/otb_lib${LIBDIRSUFFIX}/otb_g" $PKG/usr/bin/otbcli
  sed -i "s_lib/otb_lib${LIBDIRSUFFIX}/otb_g" $PKG/usr/lib${LIBDIRSUFFIX}/cmake/ITK-*/*.cmake
  sed -i "s_lib/cmake_lib${LIBDIRSUFFIX}/cmake_g" $PKG/usr/lib${LIBDIRSUFFIX}/cmake/ITK-*/*.cmake
fi

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 README RELEASE_NOTES.txt $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir $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}