#!/bin/bash

# Slackware build script for rapidyaml

# Copyright 2022 Steven Voges <Oregon, USA>
# 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=rapidyaml
VERSION=${VERSION:-0.4.1}
C4CORE=${C4CORE:-d35c7c9bf370134595699d791e6ff8db018ddc8d}
CMAKE=${CMAKE:-371982300ff5a076d7c3199057ebed77bbe3472f}
DEBUGBREAK=${DEBUGBREAK:-5dcbe41d2bd4712c8014aa7e843723ad7b40fd74}
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}
DEPS=$TMP/$PRGNAM-$VERSION/ext

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

tar xvf $CWD/c4core-$C4CORE.tar.gz -C \
  $DEPS/c4core --strip-components 1
tar xvf $CWD/cmake-$CMAKE.tar.gz -C \
  $DEPS/c4core/cmake --strip-components 1
tar xvf $CWD/debugbreak-$DEBUGBREAK.tar.gz -C \
  $DEPS/c4core/src/c4/ext/debugbreak --strip-components 1
export SETUPTOOLS_SCM_PRETEND_VERSION=$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_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DRYML_BUILD_API=ON \
    -DCMAKE_BUILD_TYPE=Release ..
  make
  make install/strip DESTDIR=$PKG
cd ..
python3 setup.py install --root=$PKG

rm $PKG/usr/_ryml.so
rm $PKG/usr/ryml.py

if [ "$LIBDIRSUFFIX" != "" ]; then
  mv $PKG/usr/lib/* $PKG/usr/lib${LIBDIRSUFFIX}/
  rmdir $PKG/usr/lib
  sed -i "s/\/lib\//\/lib${LIBDIRSUFFIX}\//g" \
    $PKG/usr/lib${LIBDIRSUFFIX}/cmake/c4core/c4coreConfig.cmake
  sed -i "s/\/lib\//\/lib${LIBDIRSUFFIX}\//g" \
    $PKG/usr/lib${LIBDIRSUFFIX}/cmake/c4core/c4coreTargets.cmake
  sed -i "s/\/lib\//\/lib${LIBDIRSUFFIX}\//g" \
    $PKG/usr/lib${LIBDIRSUFFIX}/cmake/c4core/c4coreTargets-release.cmake
  sed -i "s/\/lib\//\/lib${LIBDIRSUFFIX}\//g" \
    $PKG/usr/lib${LIBDIRSUFFIX}/cmake/ryml/rymlConfig.cmake
  sed -i "s/\/lib\//\/lib${LIBDIRSUFFIX}\//g" \
    $PKG/usr/lib${LIBDIRSUFFIX}/cmake/ryml/rymlTargets.cmake
  sed -i "s/\/lib\//\/lib${LIBDIRSUFFIX}\//g" \
    $PKG/usr/lib${LIBDIRSUFFIX}/cmake/ryml/rymlTargets-release.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 \
  *.md LICENSE.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

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