#!/bin/sh
# Set initial variables:
PATH=$PATH:/usr/X11R6/bin
CWD=`pwd`
if [ "$TMP" = "" ]; then
  TMP=/tmp
fi

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

# ok, so this SlackBuild is a little goofy
# I explode the Glide header files since they are used by
# all three glide-*.tgz packages....you'll see, I promise
cd $TMP
tar xvzf $CWD/glide-headers.tar.gz

for chipset in vg v2 vr
do
   echo "+=========+"
   echo "| $chipset-libs |"
   echo "+=========+"
   # determine what Glide tarball to use
   if [ "$chipset" = "vg" ]; then
      TARBALL=$CWD/Glide_VG-2.46-i386-libc5.tar.gz
   fi
   if [ "$chipset" = "v2" ]; then
      TARBALL=$CWD/Glide_V2-2.53-i386-libc5.tar.gz
   fi
   if [ "$chipset" = "vr" ]; then
      TARBALL=$CWD/Glide_VR-2.46-i386-libc5.tar.gz
   fi
   # make the packaging directory
   PKG=$TMP/package-$chipset-libs
   if [ ! -d $PKG ]; then
      mkdir -p $PKG # place for the package to be built
   fi
   # this is the temporary dir for building Mesa against Glide for VG
   TMPPKG=$TMP/glidetmp
   if [ ! -d $TMPPKG ]; then
      mkdir -p $TMPPKG # place for the package to be built
   fi
   cd $TMPPKG
   tar xzvf $TARBALL
   # build Mesa against the Glide VG libraries
   cd $TMP
   tar xvzf $CWD/MesaLib-3.0.tar.gz
   cd Mesa-3.0
   zcat $CWD/Make-config.diff.gz | patch
   zcat $CWD/mklib.glide.diff.gz | patch
   make linux-glide
   # make the glide package
   cd $PKG
   tar xvzf $TARBALL
   cd $TMP/Mesa-3.0/lib
   cp -d * $PKG/usr/lib
   chmod 755 $PKG/usr/lib/*
   mkdir -p $PKG/usr/include/glide
   mkdir -p $PKG/usr/include/GL
   cd $TMP/Mesa-3.0/include/GL
   cp -a * $PKG/usr/include/GL
   cd $TMP/glide/include
   cp -a * $PKG/usr/include/glide
   # copy documentation for Mesa
   mkdir -p $PKG/usr/doc/Mesa-3.0
   cd $TMP/Mesa-3.0
   cp -a README* $PKG/usr/doc/Mesa-3.0
   cp -a CONFORM $PKG/usr/doc/Mesa-3.0
   cp -a FUTURE $PKG/usr/doc/Mesa-3.0
   cp -a IAFA-PACKAGE $PKG/usr/doc/Mesa-3.0
   cp -a LICENSE $PKG/usr/doc/Mesa-3.0
   cp -a RELNOTES $PKG/usr/doc/Mesa-3.0
   cp -a VERSIONS $PKG/usr/doc/Mesa-3.0
   # fix permissions since we really didn't have a framework
   cd $PKG/usr/include
   chmod 755 *
   chmod 644 GL/*
   chmod 644 glide/*
   cd $PKG/usr/doc
   chmod 755 Mesa-3.0
   chmod 644 Mesa-3.0/*
   cd $TMP
   chown -R root.root package-$chipset-libs
   # build the package
   cd $PKG
   yes | makepkg $TMP/$chipset-libs.tgz
   # clean up temporary directories
   rm -rf $TMP/Mesa-3.0
   rm -rf $TMP/glidetmp
done

echo "+==========+"
echo "| glidesdk |"
echo "+==========+"
PKG=$TMP/package-glidesdk
if [ ! -d $PKG ]; then
   mkdir -p $PKG # place for the package to be built
fi
cd $PKG
tar xvzf $CWD/Glide2x-SDK.tar.gz
chmod 755 $PKG
tar cvzf $TMP/glidesdk.tgz .

echo "+=====+"
echo "| xvr |"
echo "+-----+"
PKG=$TMP/package-xvr
if [ ! -d $PKG ]; then
   mkdir -p $PKG # place for the package to be built
fi
cd $PKG
tar xvzf $CWD/XFree86_VR-SVGA-3.3.2-i386-libc5.tar.gz
cat $PKG/usr/X11R6/man/man1/XF86_SVGA.1x | gzip -9c > \
   $PKG/usr/X11R6/man/man1/XF86_SVGA.1x.gz
rm $PKG/usr/X11R6/man/man1/XF86_SVGA.1x
chmod 644 $PKG/usr/X11R6/man/man1/XF86_SVGA.1x.gz
cat $PKG/usr/X11R6/man/man5/XF86Config.5x | gzip -9c > \
   $PKG/usr/X11R6/man/man5/XF86Config.5x.gz
rm $PKG/usr/X11R6/man/man5/XF86Config.5x
chmod 644 $PKG/usr/X11R6/man/man5/XF86Config.5x.gz
# make the package
chmod 755 $PKG
cd $PKG
tar cvzf $TMP/xvr.tgz .

echo "+=========+"
echo "| xvrlibs |"
echo "+=========+"
PKG=$TMP/package-xvrlibs
if [ ! -d $PKG ]; then
   mkdir -p $PKG # place for the package to be built
fi
cd $PKG
tar xvzf $CWD/XFree96_VR-libs-3.3.2-i386-libc5.tar.gz
# create the package
chmod 755 $PKG
yes | makepkg $TMP/xvrlibs.tgz

# remove Glide header files that were used during builds
rm -rf $TMP/glide

# Clean up the extra stuff:
if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP/package-vg-libs
  rm -rf $TMP/package-v2-libs
  rm -rf $TMP/package-vr-libs
  rm -rf $TMP/package-glidesdk
  rm -rf $TMP/package-xvr
  rm -rf $TMP/package-xvrlibs
fi