#!/bin/sh

# Slackware build script for qt5

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

# Merged some ideas from Alex Sarmardzic's script for qt4 at SlackBuilds.org
# ^^ Modified by Robby Workman <rworkman@slackware.com> for QT4 & KDE4

# Modifications 2010, 2011, 2012, 2013, 2014  Eric Hameleers, Eindhoven, NL

# Tailored to Qt5 by Larry Hajali 2013, 2014.

PKGNAM=qt5
SRCNAM=qt5
VERSION=${VERSION:-5.2.1}
BUILD=${BUILD:-1}

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

if [ -e $CWD/machine.conf ]; then
  . $CWD/machine.conf ]
elif [ -e /etc/slackbuild/machine.conf ]; then
  . /etc/slackbuild/machine.conf ]
else
  # Automatically determine the architecture we're building on:
  MARCH=$( uname -m )
  if [ -z "$ARCH" ]; then
    case "$MARCH" in
      i?86)    export ARCH=i486 ;;
      arm*)    export ARCH=arm ;;
      # Unless $ARCH is already set, use uname -m for all other archs:
      *)       export ARCH=$MARCH ;;
    esac
  fi
  # Set CFLAGS/CXXFLAGS and LIBDIRSUFFIX:
  if [ "$ARCH" = "i486" ]; then
    SLKCFLAGS="-O2 -march=i486 -mtune=i686"
    LIBDIRSUFFIX=""
  elif [ "$ARCH" = "s390" ]; then
    SLKCFLAGS="-O2"
    LIBDIRSUFFIX=""
  elif [ "$ARCH" = "x86_64" ]; then
    SLKCFLAGS="-O2 -fPIC"
    LIBDIRSUFFIX="64"
  elif [ "$ARCH" = "arm" ]; then
    SLKCFLAGS="-O2 -march=armv5te"
    LIBDIRSUFFIX=""
  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"
    LIBDIRSUFFIX=""
  else
    SLKCFLAGS="-O2"
    LIBDIRSUFFIX=""
  fi
fi

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

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf ${SRCNAM}-everywhere-opensource-src-$VERSION || exit 1
tar xvf $CWD/${SRCNAM}-everywhere-opensource-src-$VERSION.tar.xz || exit 1
cd ${SRCNAM}-everywhere-opensource-src-$VERSION || exit 1
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 {} \;

# Fix path to mysql header
zcat $CWD/patches/qt5.mysql.h.diff.gz | patch -p1 --verbose || exit 1

# Install path fix for libplatformplugin.so.
# https://bugs.webkit.org/show_bug.cgi?id=117077
zcat $CWD/patches/platformplugin-install-path-fix.patch.gz | patch -p1 --verbose || exit 1

if [ $ARCH = "i486" ]; then
  sed -i -e "s/QMAKE_CFLAGS_RELEASE        += -O2/QMAKE_CFLAGS_RELEASE        += $SLKCFLAGS/" mkspecs/common/gcc-base.conf || exit 1
fi

export CFLAGS="$SLKCFLAGS"
export CXXFLAGS="$SLKCFLAGS"
export OPENSOURCE_CXXFLAGS="$SLKCFLAGS"
./configure \
  -confirm-license \
  -opensource \
  -release \
  -prefix "/usr/lib${LIBDIRSUFFIX}/$PKGNAM" \
  -sysconfdir "/etc/xdg" \
  -docdir "/usr/doc/$PKGNAM-$VERSION" \
  -accessibility \
  -dbus-linked \
  -glib \
  -icu \
  -javascript-jit \
  -openssl \
  -optimized-qmake \
  -plugin-sql-sqlite \
  -qpa xcb \
  -reduce-relocations \
  -verbose \
  -xcb \
  -nomake examples \
  -no-pch \
  -no-rpath \
  -no-separate-debug-info \
  -no-strip \
  -system-harfbuzz \
  -system-libjpeg \
  -system-libpng \
  -system-pcre \
  -system-sqlite \
  -system-zlib

# Sometimes a failure happens when parallelizing make.  Try again if make fails,
# but make a failure the second time around (single threaded) a fatal error:
make $NUMJOBS || make || exit 1
make install INSTALL_ROOT=$PKG || exit 1

# The infamous qt -> qt-${VERSION} link that keeps the full path out of .la files:
ln -s $PKGNAM $PKG/usr/lib${LIBDIRSUFFIX}/qt-$VERSION

mkdir -p $PKG/usr/bin
for BIN in $PKG/usr/lib${LIBDIRSUFFIX}/$PKGNAM/bin/*; do
  TMP_FILE=$(echo $BIN | sed -e "s|$PKG||")
  case $(basename $BIN) in
    syncqt.pl)
      ln -s $TMP_FILE $PKG/usr/bin/$(basename $BIN)
      ;;
    *)
      ln -s $TMP_FILE $PKG/usr/bin/$(basename $BIN)-$PKGNAM
      ;;
  esac
done

for LIBS in $PKG/usr/lib${LIBDIRSUFFIX}/$PKGNAM/lib/*so*; do
  TMP_FILE=$(echo $LIBS | sed -e "s|$PKG||")
  ln -s $TMP_FILE $PKG/usr/lib${LIBDIRSUFFIX}/$(basename $LIBS)
done

# Create Environment variables
mkdir -p $PKG/etc/profile.d
sed -e "s|@LIBDIRSUFFIX@|${LIBDIRSUFFIX}|g" $CWD/profile.d/$PKGNAM.sh \
  > $PKG/etc/profile.d/$PKGNAM.sh
sed -e "s|@LIBDIRSUFFIX@|${LIBDIRSUFFIX}|g" $CWD/profile.d/$PKGNAM.csh \
  > $PKG/etc/profile.d/$PKGNAM.csh
chmod 0755 $PKG/etc/profile.d/*

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

# Add a missing Qt.pc which is needed by KDE applications:
mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/qt/lib/pkgconfig
cat <<EOF > $PKG/usr/lib${LIBDIRSUFFIX}/$PKGNAM/lib/pkgconfig/Qt5.pc
prefix=/usr/lib${LIBDIRSUFFIX}/$PKGNAM
bindir=\${prefix}/bin
datadir=\${prefix}
docdir=/usr/doc/$PKGNAM-$VERSION
archdatadir=\${prefix}
examplesdir=\${prefix}/examples
headerdir=\${prefix}/include
importdir=\${prefix}/imports
qmldir=\${prefix}/qml
libdir=\${prefix}/lib
libexec=\${prefix}/libexec
moc=\${bindir}/moc
plugindir=\${prefix}/plugins
qmake=\${bindir}/qmake
sysconfdir=/etc/xdg
translationdir=\${prefix}/translations

Name: Qt5
Description: Qt5 Configuration
Version: $VERSION
EOF

# Fix internal linking for Qt5WebKit.pc.
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[^ ]* ||" \
  $PKG/usr/lib${LIBDIRSUFFIX}/$PKGNAM/lib/pkgconfig/Qt5WebKit.pc

# While we are at it, there isn't any reason to keep references to $PKG in the *.prl files.
for PRL in $PKG/usr/lib${LIBDIRSUFFIX}/$PKGNAM/lib/*.prl; do
  sed -i '/^QMAKE_PRL_BUILD_DIR/d' $PRL
done

# One more for the road.
sed -i "s|$PWD/qtbase|/usr/lib${LIBDIRSUFFIX}/$PKGNAM|" \
  $PKG/usr/lib${LIBDIRSUFFIX}/$PKGNAM/mkspecs/modules/qt_lib_bootstrap_private.pri

mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig
for PKGCONFIG in $PKG/usr/lib${LIBDIRSUFFIX}/$PKGNAM/lib/pkgconfig/*.pc; do
  TMP_FILE=$(echo $PKGCONFIG | sed -e "s|$PKG||")
  ln -s $TMP_FILE $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/$(basename $PKGCONFIG)
done

mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/cmake
for CMAKE in $(find $PKG/usr/lib${LIBDIRSUFFIX}/$PKGNAM/lib/cmake -maxdepth 1); do
  TMP_FILE=$(echo $CMAKE | sed -e "s|$PKG||")
  ln -s $TMP_FILE $PKG/usr/lib${LIBDIRSUFFIX}/cmake/$(basename $CMAKE)
done

for i in $CWD/desktop/*.desktop; do
  install -D -m 0644 $i $PKG/usr/share/applications/$(basename $i)
done
sed -i "s|@LIBDIR@|$LIBDIRSUFFIX|" $PKG/usr/share/applications/*

for i in $(find . -name "assistant.ico" -o -name "designer.ico" \
  -o -name "linguist.ico" -o -name "qdbusviewer.ico"); do
  for j in 16 24 32 48 64 96 128; do
    convert $i -resize ${j}x${j}! $(basename $i)-$j.png
    install -D -m 0644 $(basename $i)-$j-0.png \
      $PKG/usr/share/icons/hicolor/${j}x${j}/apps/$(basename $i | sed 's|.ico||')-$PKGNAM.png
  done
done

# Remove executable bits from files.
find $PKG \( -name "*.qml" -o -name "*.app" \) -perm 755 -exec chmod 644 '{}' \;

mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION
cp -a \
  README qtbase/{header*,LGPL_EXCEPTION.txt,LICENSE.*L} \
  $PKG/usr/doc/$PKGNAM-$VERSION
cat $CWD/$PKGNAM.SlackBuild > $PKG/usr/doc/$PKGNAM-$VERSION/$PKGNAM.SlackBuild

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