#!/bin/sh

yesno () {
  answ=X;
  while [ $answ = X ]; do
    echo -n "$1"
    read answ
    if [ X$answ = X ]; then answ="YES"; fi
    case $answ in
      y|yes|Y|YES) answ=YES;;
      n|no|N|NO)   answ=NO;;
      *) echo invalid answer
      answ=X
      ;;
    esac
  done
}

if [ -f $WRKDIR/.cdrom ]; then
  X11FIXES=`cat $WRKDIR/.cdrom`
  echo -n 'Where is the "xc" directory on the cdrom? [/cdrom] '
  read X11R6; if [ X$X11R6 = X ]; then X11R6=/cdrom; fi
  if [ ! -d $X11R6/xc/config/cf ]; then 
    echo "Can't find X11R6 in $X11R6"
    exit 1
  fi

  yesno "Is your cdrom distibution already patched? [y] ";
  if [ $answ = YES ]; then
    echo -n "What is the patchlevel of the distribution? [3] ";
    read pl; if [ X$pl = X ]; then pl=3; fi
    pl=`expr $pl + 1`
    if [ $pl -lt 10 ]; then pl=0$pl; fi
  else
    pl=01
  fi
  echo "==> building the tree (please wait)"
  (cd $WRKDIR; sh $FILESDIR/maketree $X11R6)
else
  X11FIXES=`cat $WRKDIR/.ftp`
  pl=12
fi

echo -n "==> applying XC patches (please wait)"
ok=0
for i in 01 02 03 04 05 06 07 08 09 10 11; do
  if [ $i = $pl ]; then ok=1; fi
  if [ $ok = 1 ]; then
    echo -n .;
    patch -d $WRKSRC --forward --quiet -E -p1 < $X11FIXES/fix-$i
    if [ $i = 10 ]; then
      zcat  $X11FIXES/fix10fonts.Z | patch -d $WRKSRC --forward --quiet -E -p1
    fi
    if [ $i = 11 ]; then
      rm -rf $WRKDIR/xc/programs/Xserver/hw/xfree86
      tar -C $WRKDIR -xzf $X11FIXES/XFree86-3.1.1.tar.gz 
    fi
  fi
done
echo 
echo "==> applying XFree86 patches (please wait)"
zcat $X11FIXES/XFree86-3.1.1.diff.gz | patch -d $WRKSRC --forward --quiet -E -p1


cd $WRKSRC/config/cf/ || exit 1;

F=xf86site.def

cat <<END
 Which servers do you wish to build, you can save a lot of disk space
 by only compiling the server you will be using.  It will also save you
 considerable compile time.
END
servers="SVGA VGA16 VGA16Dual Mono MonoDual S3 I8514 Mach8 Mach32 Mach64 P9000 AGX  W32"
for i in $servers; do
  yesno "Do you want to build the $i server? [YES] "
  echo "#undef XF86${i}Server"           >>$F
  echo "#define XF86${i}Server   $answ"  >>$F
done

echo
echo -n "default server to install. [none] "
read answ
if [ X$answ = X ]; then answ=none; fi
if [ $answ != none ]; then
  echo "#define ServerToInstall		XF86_$answ" >>$F
fi

cat >> $F <<END
#define XF86SvgaDrivers		et4000 et3000 pvga1 gvga ati tvga8900 cirrus \
				ncr77c22 compaq oak mx al2101 ali cl64xx \
				video7 chips generic

#define XF86Vga16Drivers	et4000 ncr77c22 ati tvga8900 oak cl64xx generic

#define XF86Vga2Drivers		et4000 et3000 pvga1 gvga ati tvga8900 cirrus \
				ncr77c22 compaq oak cl64xx generic
 
#define XF86MonoDrivers		hgc1280 sigma apollo hercules

#define XF86W32Drivers		et4000w32

END

cat <<END


 Do you want to install the default system config files, this will overwrite
 and files that you may be currently using.  This would only be required
 on a first time build.
END
yesno "Install xdm config? [YES] "
echo "#undef InstallXdmConfig" >> $F
echo "#define InstallXdmConfig	$answ" >> $F
yesno "Install xinit config? [YES] "
echo "#undef InstallXinitConfig" >> $F
echo "#define InstallXinitConfig $answ" >> $F

yesno "Do you want to include support for the FontServer? [YES] "
echo "#undef BuildFontServer" >>$F
echo "#define  BuildFontServer $answ" >>$F
echo "#undef InstallFSConfig" >>$F
echo "#define   InstallFSConfig $answ" >>$F

cat <<'END'
 Do you want to Build Fonts (Usually you only want to build and install
 fonts once, if this is a first time install you will want to build the
 fonts)
END
yesno "Build fonts? [YES] "
if [ $answ = NO ]; then
  echo "#define BuildFonts		NO" >> $F
fi
yesno "Build PEX? [YES] "
if [ $answ = NO ]; then
  echo "#define BuildPexExt		NO" >> $F
fi
yesno "Build XIE? [YES] "
if [ $answ = NO ]; then
  echo "#define BuildXIE		NO" >> $F
fi

version=`uname -r`
set `echo $version|sed -e 's/\./ /g' -e 's/-/ /g'`
mv FreeBSD.cf FreeBSD.cf.old
sed -e "s/2.0/$version/"                       \
    -e "s/OSMajorVersion *2/OSMajorVersion $1/"  \
    -e "s/OSMinorVersion *0/OSMinorVersion $2/"  \
    -e "s/OSTeenyVersion *0/OSTeenyVersion $3/"  \
    <FreeBSD.cf.old >FreeBSD.cf
#you may change ExtraLibraries too:
#echo "#undef     ExtraLibraries >> FreeBSD.cf
#echo "#define    ExtraLibraries -lgnumalloc >>FreeBSD.cf

exit 0