#!/bin/sh

# Copyright 2005-2013  Patrick J. Volkerding, Sebeka, Minnesota, 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.

VERSION=${VERSION:-$(echo tiff-*.tar.?z* | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=1

# 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

NUMJOBS=${NUMJOBS:-" -j7 "}

if [ "$ARCH" = "i386" ]; then
  SLKCFLAGS="-O2 -march=i386 -mcpu=i686"
  LIBDIRSUFFIX=""
elif [ "$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"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

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

rm -rf $PKG
mkdir -p $PKG
cd $TMP
rm -rf tiff-$VERSION
tar xvf $CWD/tiff-$VERSION.tar.?z* || exit 1
cd tiff-$VERSION

zcat $CWD/libtiff-am-version.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/libtiff-CVE-2012-4447.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/libtiff-CVE-2012-4564.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/libtiff-printdir-width.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/libtiff-jpeg-test.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/libtiff-CVE-2013-1960.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/libtiff-CVE-2013-1961.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/libtiff-manpage-update.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/libtiff-CVE-2013-4231.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/libtiff-CVE-2013-4232.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/libtiff-CVE-2013-4244.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/libtiff-make-check.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/libtiff-CVE-2013-4243.patch.gz | patch -p1 --verbose || 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="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --mandir=/usr/man \
  --program-prefix="" \
  --program-suffix="" \
  --build=$ARCH-slackware-linux

make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG || exit 1
( cd man ; make install-man DESTDIR=$PKG || exit 1 ) || exit 1
rm -r $PKG/usr/share
( 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
)
strip -g $PKG/usr/lib${LIBDIRSUFFIX}/lib*.a
chmod 755 $PKG/usr/lib${LIBDIRSUFFIX}/libtiff*.so.*
mkdir -p $PKG/usr/doc/libtiff-$VERSION
cp -a \
  COPYRIGHT README RELEASE-DATE TODO VERSION \
  $PKG/usr/doc/libtiff-$VERSION

# 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

mv $PKG/usr/local/man $PKG/usr
rmdir $PKG/usr/local

# I'd use that shiny new manpage script here but all the
# .3 manpages end with '.3tiff'.
gzip -9 $PKG/usr/man/man?/*

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

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