#!/bin/bash

# Build script for the Python SciPy package to be used with python 3

# Copyright 2016-2019 Serban Udrea <s.udrea@gsi.de>
# Copyright 2022 Isaac Yu <isaacyu@protonmail.com>
# Copyright 2023-2024 Jeremy Hansen <jebrhansen+SBo@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.

# Written by Eugene Suter <easuter@gmail.com>
# Updated to 0.7.2 by João Felipe Santos <joao.eel@gmail.com>
# Updated up to 1.1.0 by Serban Udrea <S.Udrea@gsi.de>
# Added support for building with debugging symbols (S. Udrea)

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM="python3-scipy"
SRCNAM="scipy"
VERSION=${VERSION:-1.12.0}
BUILD=${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 [ ! -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}

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
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 {} \+

# Allow our version of numpy and pythran to work
sed -i 's|numpy==1.22.4|numpy>=1.22.4|' pyproject.toml
sed -i 's|numpy==1.23.2|numpy>=1.23.2|' pyproject.toml
sed -i 's|pythran>=0.15.0,<0.16.0|pythran|' pyproject.toml
sed -i 's|meson-python>=0.15.0,<0.16.0|meson-python>=0.15.0|' pyproject.toml

# needs newer meson
PYVER=$(python3 -c 'import sys; print("%d.%d" % sys.version_info[:2])')
export PYTHONPATH=/opt/python$PYVER/site-packages/

python3 -m build --wheel --no-isolation
python3 -m installer --destdir "$PKG" dist/*.whl

# Skip stripping symbols if DEBUG is YES
if [ "${DEBUG:-NO}" == "NO" ]; then
  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
fi

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a CONTRIBUTING.rst LICENSE.txt LICENSES_bundled.txt README.rst PKG-INFO \
  $PKG/usr/doc/$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