#!/bin/bash

# Slackware build script for GDAL

# Copyright 2009 Marco Cecchetti <mrc.ild@gmail.com>
# Copyright 2010-2018 David Spencer <baildon.research@googlemail.com>
# Copyright 2019-2021 Benjamin Trigona-Harany <slackbuilds@jaxartes.net>
# Copyright 2021-2023 Gregory J. L. Tourte <artourter@gmail.com>
# 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)

PRGNAM=gdal
VERSION=${VERSION:-3.7.3}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  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 "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

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

if [[ ${TESTBUILD:='NO'} == 'NO' ]]; then
  TESTBUILDFLAGS='-DBUILD_TESTING=OFF'
fi

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.?z*
cd $PRGNAM-$VERSION
chown -R root:root .
find -L . \
  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} + -o \
  \! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} +

WITHLIST=""

# Request OpenCL support:
if [ ${OPENCL:-no} = "yes" ]; then
  WITHLIST+=" -DGDAL_USE_OPENCL=ON"
fi

# Build JAVA bindings:
if [ ${JAVA:-no} = "no" ]; then
  WITHLIST+=" -DBUILD_JAVA_BINDINGS:BOOL=OFF"
fi

mkdir build

( cd build
  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_INSTALL_SYSCONFDIR=/etc \
    -DCMAKE_INSTALL_LOCALSTATEDIR=/var \
    -DCMAKE_INSTALL_LIBDIR=lib${LIBDIRSUFFIX} \
    -DCMAKE_INSTALL_DATAROOTDIR=share \
    -DCMAKE_INSTALL_MANDIR=man \
    -DCMAKE_INSTALL_DOCDIR=doc/$PRGNAM-$VERSION \
    -DBUILD_CSHARP_BINDINGS:BOOL=OFF \
    -DBUILD_SHARED_LIBS:BOOL=ON \
    -DGDAL_USE_GEOTIFF_INTERNAL=ON \
    -DGDAL_USE_TIFF_INTERNAL=ON \
    $WITHLIST \
    $TESTBUILDFLAGS \
    -DCMAKE_BUILD_TYPE=Release \
    ..
  make
  [[ $TESTBUILD == "YES" ]] && make test
  make install/strip DESTDIR=$PKG
)

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 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  CITATION COMMITTERS HOWTO-RELEASE LICENSE.TXT MIGRATION_GUIDE.TXT NEWS.md PROVENANCE.TXT SECURITY.md VERSION \
  $PKG/usr/doc/$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