#!/bin/sh

# SlackBuild script for OTB

# Copyright 2014-2018 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=${VERSION:-6.6.0}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}

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 [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$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
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$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 {} \;

sed -i "s/lib\b/lib${LIBDIRSUFFIX}/" \
  CMakeLists.txt \
  CMake/OTBModuleExternal.cmake \
  CMake/OTBStandaloneModuleMacros.cmake \
  CMake/OTBApplicationMacros.cmake \
  CMake/CPackFunctions.cmake

MONTEVERDI=${MONTEVERDI:-OFF}
BUILD_MONTEVERDI="-DOTB_USE_QWT=$MONTEVERDI -DOTB_USE_GLEW=$MONTEVERDI -DOTB_USE_OPENGL=$MONTEVERDI"
BUILD_QT="-DOTB_USE_QT=${QTGUI:-ON}"

mkdir -p build
cd build
  cmake \
    -DCMAKE_BUILD_TYPE:STRING=Release \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DBUILD_EXAMPLES=OFF \
    -DBUILD_TESTING=OFF \
    -DOTB_USE_CURL=ON \
    -DOTB_USE_LIBKML=OFF \
    -DOTB_USE_MUPARSER=ON \
    -DOTB_USE_OPENCV=${OPENCV:-OFF} \
    -DOTB_USE_OPENMP=ON \
    -DOTB_USE_SHARK=ON \
    -DOTB_WRAP_PYTHON=ON \
    -DOTB_INSTALL_PYTHON_DIR=$(python -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())") \
    -DOTB_WRAP_PYTHON3=ON \
    -DOTB_INSTALL_PYTHON3_DIR=$(python3 -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())") \
    -DOTB_INSTALL_DOC_DIR=doc/$PRGNAM-$VERSION \
    $BUILD_MONTEVERDI \
    $BUILD_QT \
    ..

  make install DESTDIR=$PKG
cd ..

if [ "$QTGUI" = "OFF" ] ; then
  # otbgui scripts are added but are unusable
  rm $PKG/usr/bin/otbgui_*
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/etc/profile.d
cat > $PKG/etc/profile.d/otb.csh << EOF
#!/bin/csh
# Orfeo ToolBox applications path
setenv OTB_APPLICATION_PATH /usr/lib${LIBDIRSUFFIX}/otb/applications
EOF
cat > $PKG/etc/profile.d/otb.sh << EOF
#!/bin/sh
# Orfeo ToolBox applications path
export OTB_APPLICATION_PATH=/usr/lib${LIBDIRSUFFIX}/otb/applications
EOF

chmod 0755 $PKG/etc/profile.d/otb.csh
chmod 0755 $PKG/etc/profile.d/otb.sh

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  README.md RELEASE_NOTES.txt \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
if [ "$MONTEVERDI" = "ON" ] ; then
  cat $CWD/doinst.sh > $PKG/install/doinst.sh
fi

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