#!/bin/sh

# Copyright (c) 2007-2011 Steve Kennedy <steve (at) gnomeslackbuild.org>
# 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.

VERSION=2.91.1
BUILD=1
TAG=${TAG:-gsb}

NUMJOBS=${NUMJOBS:-" -j10 "}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i486 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

DISTRO=${DISTRO:-slackware}
TMP=${TMP:-/tmp}
PKGDEST=${PKGDEST:-$TMP}
PKGNAM=gtk-engines
PKG=$TMP/package-$PKGNAM
CWD=$(pwd)

# Source dir
SRCDIR=$(cd $(dirname $0); pwd)
# Packages to generate gtk-engines from:
SRCVERSION[0]="2.20.2"
SRCURL[0]="ftp://ftp.gnome.org/pub/gnome/sources/gtk-engines/2.20/gtk-engines-${SRCVERSION[0]}.tar.bz2"
MD5SUM[0]="5deb287bc6075dc21812130604c7dc4f"
SOURCE[0]="${SRCDIR}/gtk-engines-${SRCVERSION[0]}.tar.bz2"
SRCVERSION[1]="2.91.1"
SRCURL[1]="ftp://ftp.gnome.org/pub/gnome/sources/gtk-engines/2.91/gtk-engines-${SRCVERSION[1]}.tar.bz2"
MD5SUM[1]="290d2fdb66743066dab92db694dd7b99"
SOURCE[1]="${SRCDIR}/gtk-engines-${SRCVERSION[1]}.tar.bz2"

if [ "$ARCH" = "i486" ]; then
  GSBCFLAGS=${GSBCFLAGS:-"-O2 -march=i486 -mtune=i686"}
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  GSBCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  GSBCFLAGS=${GSB_GSBCFLAGS:-"-O2 -fPIC"}
  LIBDIRSUFFIX="64"
else
  GSBCFLAGS=${GSBCFLAGS:-"-O2"}
  LIBDIRSUFFIX=""
fi

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

for (( i = 0; i < ${#SOURCE[*]}; i++ )) ; do
  # Download sources
  if ! [ -f ${SOURCE[$i]} ]; then
      wget -c -4 -T 20 -O "${SOURCE[$i]}" "${SRCURL[$i]}" || exit 1
  fi;
  echo "${MD5SUM[$i]}  ${SOURCE[$i]}" > $TMP/md5sum.${i}.$$
  DOWNLOAD_ATTEMPT=0; VALID_MD5=0
  until [ $DOWNLOAD_ATTEMPT -eq 3 -o $VALID_MD5 -eq 1 ]; do
    # MD5SUM Comparison
    if [ -f ${SOURCE[$i]} ]; then
       md5sum -c $TMP/md5sum.${i}.$$ 2>/dev/null 1>/dev/null && VALID_MD5=1;
    fi;
    if [ "${VALID_MD5}" = "0" ]; then
       # Download the source file
      wget -c -4 -T 20 -O "${SOURCE[$i]}" "${SRCURL[$i]}" || {
         echo ; echo "* Error: Failed to complete download."
	 exit 1
       }
    fi
    DOWNLOAD_ATTEMPT=$[$DOWNLOAD_ATTEMPT+1];
    done;
    rm -fr $TMP/md5sum.${i}.$$

    if [ ! -f "${SOURCE[$i]}" -o ! -s "${SOURCE[$i]}" -o $VALID_MD5 -eq 0 ]; then
      echo "File '$(basename ${SOURCE[$i]})' not available. Aborting the build."
      exit 1
    fi

  cd $TMP &&
  rm -rf $PKGNAM-${SRCVERSION[$i]} &&
  tar xvf ${SOURCE[$i]} &&
  cd $PKGNAM-${SRCVERSION[$i]} || 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 {} \;

CFLAGS="$GSBCFLAGS" \
./configure --prefix=/usr \
   --sysconfdir=/etc \
   --mandir=/usr/man \
   --libdir=/usr/lib${LIBDIRSUFFIX} \
   --disable-static \
  --enable-animation \
   ${OPTIONS[$i]} \
    || exit 1

make ${NUMJOBS} || make || exit 1
make DESTDIR=$PKG install || exit 1

done;

find $PKG | xargs file | egrep "executable|shared object" | grep "ELF" | \
  cut -d: -f1 | xargs strip --strip-unneeded 2>/dev/null

mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION
cp -a COPYING NEWS README \
  $PKG/usr/doc/$PKGNAM-$VERSION
find $PKG/usr/doc/$PKGNAM-$VERSION/ -type f -exec chmod 644 {} \;
chown -R root:root $PKG/usr/doc/$PKGNAM-$VERSION

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

cd $PKG
makepkg -p -l y -c n $PKGDEST/${PKGNAM}-${VERSION}-$ARCH-${BUILD}${TAG}.txz