#!/bin/sh
# Set initial variables:
CWD=`pwd`
if [ "$TMP" = "" ]; then
  TMP=/tmp
fi

if [ ! -d $TMP ]; then
  mkdir -p $TMP # location to build the source
fi

GS_VERSION=7.05

echo "+=========================+"
echo "| ghostscript-$GS_VERSION |"
echo "+=========================+"
# OK, first we need the IJS library and include files.
# Since it doesn't use an soname, and is very small (about 20K)
# there's no good reason to compile it shared, and it would be
# likely to be a bad idea anyway as the author says the protocol
# is still very much in flux.
cd $TMP
tar xjvf $CWD/ghostscript-$GS_VERSION.tar.bz2
cd ghostscript-$GS_VERSION/ijs
./configure --prefix=/usr
make CFLAGS="-ansi -pedantic -Wmissing-prototypes"
cat libijs.a > /usr/lib/libijs.a
#strip --strip-unneeded libijs.so
#cat libijs.so > /usr/lib/libijs.so
#chmod 755 /usr/lib/libijs.so
cat ijs-config > /usr/bin/ijs-config
chown root.bin /usr/bin/ijs-config
chmod 755 /usr/bin/ijs-config
mkdir -p /usr/include/ijs
cp -a ijs.h ijs_client.h ijs_server.h /usr/include/ijs
( cd /usr/include/ijs
  chmod 644 ijs.h ijs_client.h ijs_server.h
  chown root.root ijs.h ijs_client.h ijs_server.h )
# Now the main source is compiled:
cd $TMP
# This should have been untarred when we compiled libijs.
#tar xjvf $CWD/ghostscript-$GS_VERSION.tar.bz2
cd ghostscript-$GS_VERSION
# Never use the system JPEG library, as Ghostscript compiles it differently
# (#define D_MAX_BLOCKS_IN_MCU 64) to be compatible with Adobe's interpreters.
tar xzvf $CWD/jpegsrc.v6b.tar.gz
ln -sf jpeg-6b jpeg
# Use system's shared libpng and zlib:
zcat $CWD/ghostscript.libpng.zlib.so.diff.gz | patch -p1 --verbose --backup --suffix=.orig
# Add a googol (well, not quite ;-) of additional drivers.
# We're no longer supporting libvga, BTW.
zcat $CWD/ghostscript.device.devs.diff.gz | patch -p1 --verbose --backup --suffix=.orig

# These drivers are obsolete and are no longer shipped with Ghostscript.
# We aren't hanging on to them very long either, as I think all these printers are
# supported through IJS servers.  IJS is rapidly taking over, so try to use an IJS
# driver for your printer instead of one of these.  You're only getting a one-release
# warning.  ;-)
( cd src
  tar xzf $CWD/obsolete.tar.gz )

# Build no-X11 version:
./configure --prefix=/usr \
    --with-ijs \
    --without-x \
    i386-slackware-linux
make clean
make
make install

# This is now obsolete!:
#
# --with-gimp-print
#
# Gimp-print is phasing out this interface (stp) soon, and we're not hanging it even that long.
# Ghostscript now uses the IJS interface with gimp-print.  This is a Good Thing(TM),
# because ghostscript no longer requires libgimpprint.so in order to run, and
# gimp-print can be unbundled into it's own package.

( cd /usr/bin ; rm -f gs-no-x11 ; mv gs gs-no-x11 )

# Build the version with X11 support:
./configure --prefix=/usr \
    --with-ijs \
    --with-x \
    i386-slackware-linux
make clean
make
make install

mkdir -p /usr/doc/ghostscript-$GS_VERSION
( cd /usr/doc/ghostscript-$GS_VERSION ; rm -rf doc )
( cd /usr/doc/ghostscript-$GS_VERSION ; ln -sf /usr/share/ghostscript/${GS_VERSION}/doc doc )
( cd /usr/doc/ghostscript-$GS_VERSION ; rm -rf examples )
( cd /usr/doc/ghostscript-$GS_VERSION ; ln -sf /usr/share/ghostscript/${GS_VERSION}/examples examples )

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