#!/bin/bash

# Copyright 2015  Heinz Wiesinger, Amsterdam, The Netherlands
# Copyright 2016, 2017, 2018, 2019  Eric Hameleers, Eindhoven, NL
# Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2020, 2023, 2024  Patrick J. Volkerding, Sebeka, MN, 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)

PKGNAM=qt5-webkit
SRCNAM=qtwebkit
SRCVER=${SRCVER:-5.212.0-alpha4}
VERSION=$(echo $SRCVER | tr - _)
BUILD=${BUILD:-12}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$(uname -m)" in
    i?86) ARCH=i586 ;;
    arm*) readelf /usr/bin/file -A | grep -E -q "Tag_CPU.*[4,5]" && ARCH=arm || ARCH=armv7hl ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
    *) ARCH=$(uname -m) ;;
  esac
  export ARCH
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 "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PKGNAM-$VERSION-$ARCH-$BUILD.txz"
  exit 0
fi

NUMJOBS=${NUMJOBS:-" -j$(expr $(nproc) + 1) "}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
elif [ "$ARCH" = "armv7hl" ]; then
  SLKCFLAGS="-O3 -march=armv7-a -mfpu=vfpv3-d16"
  LIBDIRSUFFIX=""
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

TMP=${TMP:-/tmp}
PKG=$TMP/package-$PKGNAM

rm -rf $PKG
mkdir -p $TMP $PKG

cd $TMP
rm -rf $SRCNAM-$SRCVER
tar xvf $CWD/$SRCNAM-$SRCVER.tar.?z || exit 1
cd $SRCNAM-$SRCVER || exit 1

chown -R root:root .
find . \
  \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
  -exec chmod 755 {} \+ -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \+

# Use -reduce-relocations only on i?86 and x86_64 architextures.
# https://bugreports.qt-project.org/browse/QTBUG-36129
if echo $ARCH | grep -q '\(i.86\|x86_64\)' 2>/dev/null; then
  RELOCATIONS="-reduce-relocations"
else
  RELOCATIONS=""
fi

# Fix for bison 3.7.x:
zcat $CWD/qt5-webkit-bison-3.7.patch.gz | patch -p1 --verbose || exit 1

# Fix for glib-2.68.0:
zcat $CWD/qt5-webkit.glib-2.68.0.diff.gz | patch -p1 --verbose || exit 1

# Fix for Ruby 3.2.x:
zcat $CWD/webkit-offlineasm-warnings-ruby27.patch | patch -p1 --verbose || exit 1

# Fix for gcc13:
zcat $CWD/qt5-webkit.gcc13.diff.gz | patch -p1 --verbose || exit 1

# Fix for icu68:
zcat $CWD/icu68.patch.gz | patch -p0 --verbose || exit 1

# Use python3:
zcat $CWD/qt5-webkit-python-3.9.patch.gz | patch -p1 --verbose || exit 1

# -DU_DEFINE_FALSE_AND_TRUE=1 since recent icu4c no longer defines these otherwise.

export CFLAGS="$SLKCFLAGS -DU_DEFINE_FALSE_AND_TRUE=1"
export CXXFLAGS="$SLKCFLAGS -fpermissive -fno-strict-aliasing -DU_DEFINE_FALSE_AND_TRUE=1"
export OPENSOURCE_CXXFLAGS="$SLKCFLAGS -fpermissive -fno-strict-aliasing -DU_DEFINE_FALSE_AND_TRUE=1"
export QTDIR="/usr/lib$LIBDIRSUFFIX/qt5"
export LD_LIBRARY_PATH="${QTDIR}/qtbase/lib:${QTDIR}/qttools/lib:${LD_LIBRARY_PATH}"

# Configure, build, and install:
mkdir qtwebkit-build
cd qtwebkit-build
  cmake \
    -DPORT=Qt \
    -DQt5_DIR=$QTDIR \
    ..  || exit 1
  make $NUMJOBS || make || exit 1
  make install DESTDIR=$PKG || exit 1
cd ..

# Strip binaries:
find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

# Fix the path in prl files:
find "$PKG/usr/lib${LIBDIRSUFFIX}" -type f -name '*.prl' \
  -exec sed -i -e '/^QMAKE_PRL_BUILD_DIR/d;s/\(QMAKE_PRL_LIBS =\).*/\1/' {} \;

# Add a documentation directory:
mkdir -p $PKG/usr/doc/${PKGNAM}-$VERSION
cp -a \
  LICENSE* README* \
  $PKG/usr/doc/${PKGNAM}-$VERSION

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $TMP/$PKGNAM-$VERSION-$ARCH-$BUILD.txz