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#!/bin/sh

# Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016  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.

# Derived from the qt5.SlackBuild

# Modifications for qt5-webkit 5.6.0, 5.6.1, 5.7.0, 5.7.1, 5.9.0, 5.9.1 2016,2017 by Eric  Hameleers, Eindhoven, NL

PKGNAM=qt5-webkit
VERSION=${VERSION:-5.9.1}
BUILD=${BUILD:-3}

NUMJOBS=${NUMJOBS:--j7}

# 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 | egrep -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 [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  SLKLDFLAGS=""
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  SLKLDFLAGS=""
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  SLKLDFLAGS=""
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  SLKLDFLAGS=""
  SLKLDFLAGS="-L/usr/lib64"
  LIBDIRSUFFIX="64"
elif [ "$ARCH" = "armv7hl" ]; then
  # To prevent "qatomic_armv6.h error: output number 2 not directly addressable"
  # More permanent solution is to patch gcc:
  # http://bazaar.launchpad.net/~linaro-toolchain-dev/gcc-linaro/4.6/revision/106731
  SLKCFLAGS="-O2 -march=armv7-a -mfpu=vfpv3-d16 -fno-strict-volatile-bitfields"
  SLKLDFLAGS=""
  LIBDIRSUFFIX=""
else
  SLKCFLAGS="-O2"
  SLKLDFLAGS=""
  LIBDIRSUFFIX=""
fi

case "$ARCH" in
    arm*) TARGET=$ARCH-slackware-linux-gnueabi ;;
    *)    TARGET=$ARCH-slackware-linux ;;
esac

CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-${PKGNAM}

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf qtwebkit-opensource-src-$VERSION
echo "Extracting qtwebkit-opensource-src-$VERSION.tar.xz"
tar xf $CWD/qtwebkit-opensource-src-$VERSION.tar.xz || exit 1
cd qtwebkit-opensource-src-$VERSION || exit 1

# Prevent crashes when compiled with gcc7:
cat $CWD/patches/qt5-webkit.gcc7.patch | patch -p1 --verbose || exit 1

## Prevent compile error against icu-59:
#cat $CWD/patches/qt5-webkit.icu59.patch | patch -p1 --verbose || exit 1

# Avoid literally thousands of unneeded warning messages (thanks BLFS):
sed -e '/CONFIG/a QMAKE_CXXFLAGS += -Wno-expansion-to-defined' \
    -i Tools/qmake/mkspecs/features/unix/default_pre.prf

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

export CFLAGS="$SLKCFLAGS"
export CXXFLAGS="$SLKCFLAGS"
export OPENSOURCE_CXXFLAGS="$SLKCFLAGS"
export QTDIR="/usr/lib$LIBDIRSUFFIX/qt5"
export LD_LIBRARY_PATH="${QTDIR}/qtbase/lib:${QTDIR}/qttools/lib:${LD_LIBRARY_PATH}"
  
mkdir build
cd build
  qmake-qt5 ../WebKit.pro
  make || exit 1
  make install INSTALL_ROOT=$PKG || exit 1
cd ..

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

# Fix internal linking for Qt5WebKit.pc , thanks to Larry Hajali's SBo script:
sed -i \
  -e "s|-Wl,-whole-archive -lWebKit1 -Wl,-no-whole-archive -L${PWD}/qtwebkit/Source/WebKit[^ ]* ||" \
  -e "s|-Wl,-whole-archive -lWebKit2 -Wl,-no-whole-archive -L${PWD}/qtwebkit/Source/WebKit2[^ ]* ||" \
  -e "s|-Wl,-whole-archive -lWebCore -Wl,-no-whole-archive -L${PWD}/qtwebkit/Source/WebCore[^ ]* ||" \
  -e "s|-Wl,-whole-archive -lANGLE -Wl,-no-whole-archive -L${PWD}/qtwebkit/Source/ThirdParty/ANGLE[^ ]* ||" \
  -e "s|-Wl,-whole-archive -lJavaScriptCore -Wl,-no-whole-archive -L${PWD}/qtwebkit/Source/JavaScriptCore[^ ]* ||" \
  -e "s|-Wl,-whole-archive -lWTF -Wl,-no-whole-archive -L${PWD}/qtwebkit/Source/WTF[^ ]* ||" \
  -e "s|-Wl,-whole-archive -lleveldb -Wl,-no-whole-archive -L${PWD}/qtwebkit/Source/ThirdParty/leveldb[^ ]* ||" \
  $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/Qt5WebKit.pc

# 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/' {} \;

## Fix the qmake path in pri file:
#sed -i "s,${QTDIR}/qtbase,/usr/lib${LIBDIRSUFFIX}/qt5," \
#  $PKG/usr/lib${LIBDIRSUFFIX}/qt5/mkspecs/modules/qt_lib_bootstrap_private.pri

# Add a documentation directory:
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION
cp -a \
  ChangeLog* VERSION \
  $PKG/usr/doc/$PKGNAM-$VERSION
if [ -d $PKG/usr/lib${LIBDIRSUFFIX}/qt5/doc/html ]; then
  ( cd $PKG/usr/doc/$PKGNAM-$VERSION
    ln -sf /usr/lib${LIBDIRSUFFIX}/qt5/doc/html .
  )
fi

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

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