#!/bin/sh

# Copyright 2006, 2007, 2008, 2009, 2010  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.


PKGNAM=ghostscript
VERSION=${VERSION:-$(echo $PKGNAM-*.tar.?z* | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-2}
CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-${PKGNAM}
ARCH=alpha
TARGET=$ARCH-alphaslack-linux

rm -rf $PKG
mkdir -p $PKG
(cd $TMP
rm -rf ${PKGNAM}-${VERSION}
tar xf $CWD/${PKGNAM}-$VERSION.tar.?z* || exit 1
cd ${PKGNAM}-$VERSION

# Patch for AlphaSLack
zcat $CWD/alphaslack.patch.gz | patch -p0 --verbose || exit 1

# Make sure ownerships and permissions are sane:
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 {} \;

# Build/install IJS:
#( cd ijs
#  if [ ! -r configure ]; then
#    sh autogen.sh
#  fi
#  ./configure \
#  --prefix=/usr \
#  --sysconfdir=/etc \
#  --mandir=/usr/man \
#  --program-prefix= \
#  --program-suffix= \
#  --build=$TARGET
#  make || exit 1
#  make install || exit 1
#  make install DESTDIR=$PKG || exit 1
#) || exit 1

# Configure:
./configure \
 --prefix=/usr \
 --sysconfdir=/etc \
 --mandir=/usr/man \
 --with-fontpath=/usr/share/fonts/TTF \
 --with-ijs \
 --disable-compile-inits \
 --enable-dynamic \
 --enable-cairo=yes \
 --with-system-libtiff \
 --without-libpaper \
 --program-prefix= \
 --program-suffix= \
 --build=$TARGET

# Build and install:
make || exit 1
make install DESTDIR=$PKG || exit 1
make clean || exit 1
make so || exit 1
make soinstall DESTDIR=$PKG || exit 1

# Replace the default cidfmap with one containing additional
# support for CJK printing:

if [ -r $PKG/usr/share/ghostscript/${VERSION}/Resource/Init/cidfmap ]; then
 mv $PKG/usr/share/ghostscript/${VERSION}/Resource/Init/cidfmap $PKG/usr/share/ghostscript/${VERSION}/Resource/Init/cidfmap.default.ghostscript-${VERSION}
 zcat $CWD/cidfmap.gz > $PKG/usr/share/ghostscript/${VERSION}/Resource/Init/cidfmap.new
fi

# 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 link manpages, if any:
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

# Compress info files, if any:
if [ -d $PKG/usr/info ]; then
  ( cd $PKG/usr/info
    rm -f dir
    gzip -9 *
  )
fi

# Add a documentation directory:
mkdir -p $PKG/usr/doc/${PKGNAM}-$VERSION
( cd doc
  cp -a COPYING ../LICENSE README $PKG/usr/doc/${PKGNAM}-$VERSION
)
( cd $PKG/usr/doc/${PKGNAM}-$VERSION
 ln -sf /usr/share/ghostscript/$VERSION/doc doc
)

cd $TMP
cp -a ${PKGNAM}-${VERSION}/examples/cjk $PKG/usr/share/ghostscript/${VERSION}/examples/

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat << EOF > $PKG/install/doinst.sh
#!/bin/sh
config() {
  NEW="\$1"
  OLD="\$(dirname \$NEW)/\$(basename \$NEW .new)"
  # If there's no config file by that name, mv it over:
  if [ ! -r \$OLD ]; then
    mv \$NEW \$OLD
  elif [ "\$(cat \$OLD | md5sum)" = "\$(cat \$NEW | md5sum)" ]; then # toss the redundant copy
    rm \$NEW
  fi
  # Otherwise, we leave the .new copy for the admin to consider...
}
config usr/share/ghostscript/${VERSION}/Resource/Init/cidfmap.new
EOF

cd $PKG
makepkg -l y -c n $TMP/${PKGNAM}-$VERSION-$ARCH-$BUILD.tgz
) 2>&1 | tee $TMP/${PKGNAM}.build.log