#!/bin/bash

# Copyright 2008, 2009, 2010, 2011, 2012, 2013, 2016, 2018  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=gtk+2
VERSION=${VERSION:-$(echo gtk+-*.tar.?z* | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-2}

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

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i586 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
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

TMP=${TMP:-/tmp}
PKG=$TMP/package-gtk2

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

rm -rf $PKG
mkdir -p $TMP $PKG/usr
cd $TMP
rm -rf gtk+-$VERSION
tar xvf $CWD/gtk+-$VERSION.tar.?z* || exit 1
cd gtk+-$VERSION || 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 {} \+

# Include some patches from the 2.24 git branch
#for file in $CWD/patches/*.gz ; do 
#  zcat $file | patch -p1 --verbose || exit 1
#done

# Fix build errors
zcat $CWD/fix_build_issues_on_tutorial_and_faq.diff.gz | patch -p1 --verbose || exit 1

# Do not flood the console or .xsession-errors with "trouble ahead"
# warnings (most noticable when using Firefox and Flash):
zcat $CWD/gtk.xid.nowarningflood.diff.gz | patch -p1 --verbose || exit 1

# Patch to restore commonly used icon names, otherwise everything breaks.
# I fail to see the point of this "cleanup"
zcat $CWD/gtk+-2.24.x.icon-compat.am.diff.gz | patch -p1 --verbose || exit 1
zcat $CWD/gtk+-2.24.x.icon-compat.diff.gz | patch -p1 --verbose || exit 1

# Prevents build failures in the docs.  Found online.
# Only needed if autoreconf is used...  ?
zcat $CWD/gtk.gtk-faq.diff.gz | patch -p1 --verbose || exit 1
zcat $CWD/gtk.gtk-tut.diff.gz | patch -p1 --verbose || exit 1

# Regenerate ./configure:
libtoolize --force
autoreconf -vif

# Autoconf changes linux to linux-gnu.
# Our host is $ARCH-slackware-linux not $ARCH-slackware-linux-gnu:
sed -i -e 's#linux|linux-gnu|#linux|linux|#' config.sub

CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --mandir=/usr/man \
  --with-xinput=yes \
  --enable-xkb \
  --enable-introspection \
  --build=$ARCH-slackware-linux || exit 1

make $NUMJOBS || make || exit 1

# Check the host value that is passed to the compile to the one in this script:
host="$ARCH-slackware-linux"
compile_host=$(grep 'host_triplet =' gtk/Makefile | sed -e "s/.* = //")
if [ "x$compile_host" != "x$host" ]; then
  echo "Host mismatch: compile='$compile_host', SlackBuild='$host'" && exit 1
fi

make install \
  RUN_QUERY_IMMODULES_TEST=false RUN_QUERY_LOADER_TEST=false \
  DESTDIR=$PKG \
  || exit 1

# Don't ship .la files:
rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la

# Don't clobber im-multipress.conf
mv $PKG/etc/gtk-2.0/im-multipress.conf $PKG/etc/gtk-2.0/im-multipress.conf.new || exit 1

# Install a "starter" gtkrc
# /etc/gtk-2.0/gtkrc overrides this  --rworkman
echo 'gtk-theme-name="GTK+"' > $PKG/usr/share/gtk-2.0/gtkrc
echo 'gtk-icon-theme-name="Adwaita"' >> $PKG/usr/share/gtk-2.0/gtkrc
echo 'gtk-fallback-icon-theme = "Tango"' >> $PKG/usr/share/gtk-2.0/gtkrc

# We need to have separate 32-bit and 64-bit binaries
# for places where we have two copies of the GTK+ package installed.
# (we might have x86_64 and i486 packages on the same system, for example.)
case "$host" in
  s390x*|x86_64*)
   mv $PKG/usr/bin/gtk-query-immodules-2.0{,-64}
   ( cd $PKG/usr/bin
     ln -sf gtk-query-immodules-2.0-64 gtk-query-immodules-2.0
   )
   ;;
  *)
   mv $PKG/usr/bin/gtk-query-immodules-2.0{,-32}
   ( cd $PKG/usr/bin
     ln -sf gtk-query-immodules-2.0-32 gtk-query-immodules-2.0
   )
   ;;
esac

# Install wrappers for the binaries:
cp -a $CWD/update-gtk-immodules* $PKG/usr/bin
chown root:root $PKG/usr/bin/update-*
chmod 0755 $PKG/usr/bin/update-*

# Add profile scripts to set up GTK+ environment:
mkdir -p $PKG/etc/profile.d
cp -a $CWD/profile.d/* $PKG/etc/profile.d
chmod 0755 $PKG/etc/profile.d/*

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

# Compress and if needed symlink the man pages:
if [ -d $PKG/usr/man ]; then
  ( cd $PKG/usr/man
    for manpagedir in $(find . -type d -name "man*") ; do
      ( cd $manpagedir
        for eachpage in $( find . -type l -maxdepth 1) ; do
          ln -s $( readlink $eachpage ).gz $eachpage.gz
          rm $eachpage
        done
        gzip -9 *.?
      )
    done
  )
fi

mkdir -p $PKG/usr/doc/gtk+-$VERSION
cp -a \
  AUTHORS COPYING* NEWS README* TODO \
  $PKG/usr/doc/gtk+-$VERSION
( cd $PKG/usr/doc/gtk+-$VERSION
  ln -s ../../share/gtk-doc/html/gail-libgail-util .
  ln -s ../../share/gtk-doc/html/gdk2 .
  ln -s ../../share/gtk-doc/html/gtk2 .
)

# If there's a ChangeLog, installing at least part of the recent history
# is useful, but don't let it get totally out of control:
if [ -r ChangeLog ]; then
  DOCSDIR=$(echo $PKG/usr/doc/*-$VERSION)
  cat ChangeLog | head -n 1000 > $DOCSDIR/ChangeLog
  touch -r ChangeLog $DOCSDIR/ChangeLog
fi

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

cd $PKG
/sbin/makepkg -l y -c n $TMP/gtk+2-$VERSION-$ARCH-$BUILD.txz