
if  test -z "$GOOD_ROOT_DIR" ; then 
echo "First set environment variable GOOD_ROOT_DIR. Exiting..."
exit
fi

#--------------------------------------------------
# ARGV[1]: port
#--------------------------------------------------

port=$1


#!/bin/sh
# From configure.in Version: 1.10 
#!/bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf version 1.9 
# Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.

# This configure script is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This script is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
# Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

# Save the original args to write them into config.status later.
configure_args="$*"

# Only options that might do something get documented.
ac_usage="Usage: configure [options] [host]
Options: [defaults in brackets after descriptions]
--build=BUILD		configure for building on BUILD [BUILD=HOST]
--disable-FEATURE	do not include FEATURE (same as --enable-FEATURE=no)
--enable-FEATURE[=ARG]	include FEATURE [ARG=yes]
--exec-prefix=PREFIX	install host dependent files in PREFIX [/usr/local]
--help			print this message
--host=HOST		configure for HOST [guessed]
--prefix=PREFIX		install host independent files in PREFIX [/usr/local]
--quiet, --silent	do not print \`checking for...' messages
--srcdir=DIR		find the sources in DIR [configure dir or ..]
--target=TARGET		configure for TARGET [TARGET=HOST]
--verbose		print results of checks
--version		print the version of autoconf that created configure
--with-PACKAGE[=ARG]	use PACKAGE [ARG=yes]
--without-PACKAGE	do not use PACKAGE (same as --with-PACKAGE=no)
--x-includes=DIR	X include files are in DIR
--x-libraries=DIR	X library files are in DIR"

# Initialize some variables set by options.
# The variables have the same names as the options, with
# dashes changed to underlines.
build=NONE
exec_prefix=
host=NONE
no_create=
nonopt=NONE
norecursion=
prefix=
program_prefix=
program_suffix=
program_transform_name=
silent=
srcdir=
target=NONE
verbose=
x_includes=
x_libraries=

ac_prev=
for ac_option
do

  # If the previous option needs an argument, assign it.
  if test -n "$ac_prev"; then
    eval "$ac_prev=\$ac_option"
    ac_prev=
    continue
  fi

  # Accept (but ignore some of) the important Cygnus configure
  # options, so we can diagnose typos.

  case "$ac_option" in
  -*=*) ac_optarg=`echo "$ac_option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
  *) ac_optarg= ;;
  esac

  case "$ac_option" in

  -build | --build | --buil | --bui | --bu | --b)
    ac_prev=build ;;
  -build=* | --build=* | --buil=* | --bui=* | --bu=* | --b=*)
    build="$ac_optarg" ;;

  -disable-* | --disable-*)
    ac_feature=`echo $ac_option|sed -e 's/-*disable-//'`
    # Reject names that aren't valid shell variable names.
    if test -n "`echo $ac_feature| sed 's/[-a-zA-Z0-9_]//g'`"; then
      echo "configure: $ac_feature: invalid feature name" >&2; exit 1
    fi
    ac_feature=`echo $ac_feature| sed 's/-/_/g'`
    eval "enable_${ac_feature}=no" ;;

  -enable-* | --enable-*)
    ac_feature=`echo $ac_option|sed -e 's/-*enable-//' -e 's/=.*//'`
    # Reject names that aren't valid shell variable names.
    if test -n "`echo $ac_feature| sed 's/[-_a-zA-Z0-9]//g'`"; then
      echo "configure: $ac_feature: invalid feature name" >&2; exit 1
    fi
    ac_feature=`echo $ac_feature| sed 's/-/_/g'`
    case "$ac_option" in
      *=*) ;;
      *) ac_optarg=yes ;;
    esac
    eval "enable_${ac_feature}='$ac_optarg'" ;;

  # For backward compatibility, recognize -exec-prefix and --exec_prefix.
  -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
  | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
  | --exec | --exe | --ex)
    ac_prev=exec_prefix ;;
  -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
  | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
  | --exec=* | --exe=* | --ex=*)
    exec_prefix="$ac_optarg" ;;

  -gas | --gas | --ga | --g)
    with_gas=yes ;; # Obsolete; use --with-gas.

  -help | --help | --hel | --he)
    cat << EOF
$ac_usage
EOF
    exit 0 ;;

  -host | --host | --hos | --ho)
    ac_prev=host ;;
  -host=* | --host=* | --hos=* | --ho=*)
    host="$ac_optarg" ;;

  -nfp | --nfp | --nf)
    with_fp=no ;; # Obsolete; use --without-fp.

  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
  | --no-cr | --no-c)
    no_create=yes ;;

  -norecursion | --norecursion | --norecursio | --norecursi \
  | --norecurs | --norecur | --norecu | --norec | --nore | --nor)
    norecursion=yes ;;

  -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
    ac_prev=prefix ;;
  -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
    prefix="$ac_optarg" ;;

  -program-prefix | --program-prefix | --program-prefi | --program-pref \
  | --program-pre | --program-pr | --program-p)
    ac_prev=program_prefix ;;
  -program-prefix=* | --program-prefix=* | --program-prefi=* \
  | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
    program_prefix="$ac_optarg" ;;

  -program-suffix | --program-suffix | --program-suffi | --program-suff \
  | --program-suf | --program-su | --program-s)
    ac_prev=program_suffix ;;
  -program-suffix=* | --program-suffix=* | --program-suffi=* \
  | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
    program_suffix="$ac_optarg" ;;

  -program-transform-name | --program-transform-name \
  | --program-transform-nam | --program-transform-na \
  | --program-transform-n | --program-transform- \
  | --program-transform | --program-transfor \
  | --program-transfo | --program-transf \
  | --program-trans | --program-tran \
  | --progr-tra | --program-tr | --program-t)
    ac_prev=program_transform_name ;;
  -program-transform-name=* | --program-transform-name=* \
  | --program-transform-nam=* | --program-transform-na=* \
  | --program-transform-n=* | --program-transform-=* \
  | --program-transform=* | --program-transfor=* \
  | --program-transfo=* | --program-transf=* \
  | --program-trans=* | --program-tran=* \
  | --progr-tra=* | --program-tr=* | --program-t=*)
    program_transform_name="$ac_optarg" ;;

  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
  | -silent | --silent | --silen | --sile | --sil)
    silent=yes ;;

  -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
    ac_prev=srcdir ;;
  -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
    srcdir="$ac_optarg" ;;

  -target | --target | --targe | --targ | --tar | --ta | --t)
    ac_prev=target ;;
  -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
    target="$ac_optarg" ;;

  -v | -verbose | --verbose | --verbos | --verbo | --verb)
    verbose=yes ;;

  -version | --version | --versio | --versi | --vers)
    echo "configure generated by autoconf version 1.9"
    exit 0 ;;

  -with-* | --with-*)
    ac_package=`echo $ac_option|sed -e 's/-*with-//' -e 's/=.*//'`
    # Reject names that aren't valid shell variable names.
    if test -n "`echo $ac_package| sed 's/[-_a-zA-Z0-9]//g'`"; then
      echo "configure: $ac_package: invalid package name" >&2; exit 1
    fi
    ac_package=`echo $ac_package| sed 's/-/_/g'`
    case "$ac_option" in
      *=*) ;;
      *) ac_optarg=yes ;;
    esac
    eval "with_${ac_package}='$ac_optarg'" ;;

  -without-* | --without-*)
    ac_package=`echo $ac_option|sed -e 's/-*without-//'`
    # Reject names that aren't valid shell variable names.
    if test -n "`echo $ac_package| sed 's/[-a-zA-Z0-9_]//g'`"; then
      echo "configure: $ac_package: invalid package name" >&2; exit 1
    fi
    ac_package=`echo $ac_package| sed 's/-/_/g'`
    eval "with_${ac_package}=no" ;;

  --x) with_x=yes ;; # Obsolete; use --with-x.

  -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
  | --x-incl | --x-inc | --x-in | --x-i)
    ac_prev=x_includes ;;
  -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
  | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
    x_includes="$ac_optarg" ;;

  -x-libraries | --x-libraries | --x-librarie | --x-librari \
  | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
    ac_prev=x_libraries ;;
  -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
  | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
    x_libraries="$ac_optarg" ;;

  -*) echo "configure: $ac_option: invalid option; use --help to show usage" >&2; exit 1
    ;;

  *) 
    if test -n "`echo $ac_option| sed 's/[-a-z0-9.]//g'`"; then
      echo "configure: warning: $ac_option: invalid host type" >&2
    fi
    if test "x$nonopt" != xNONE; then
      echo "configure: can only configure for one host and one target at a time" >&2; exit 1
    fi
    nonopt="$ac_option"
    ;;

  esac
done

if test -n "$ac_prev"; then
  echo "configure: missing argument to --`echo $ac_prev | sed 's/_/-/g'`" >&2; exit 1
fi

trap 'rm -fr conftest* confdefs* core $ac_clean_files; exit 1' 1 2 15
trap 'rm -fr confdefs* $ac_clean_files' 0

# Save the original args if we used an alternate arg parser.
ac_configure_temp="${configure_args-$*}"
# Strip out --no-create and --norecursion so they don't pile up.
configure_args=
for ac_arg in $ac_configure_temp; do
  case "$ac_arg" in
  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
  | --no-cr | --no-c) ;;
  -norecursion | --norecursion | --norecursio | --norecursi \
  | --norecurs | --norecur | --norecu | --norec | --nore | --nor) ;;
  *) configure_args="$configure_args $ac_arg" ;;
  esac
done

# NLS nuisances.
# These must not be set unconditionally because not all systems understand
# e.g. LANG=C (notably SCO).
if test "${LC_ALL+set}" = 'set'; then LC_ALL=C; export LC_ALL; fi
if test "${LANG+set}"   = 'set'; then LANG=C;   export LANG;   fi

# confdefs.h avoids OS command line length limits that DEFS can exceed.
rm -rf conftest* confdefs.h
# AIX cpp loses on an empty file, so make sure it contains at least a newline.
echo > confdefs.h

# A filename unique to this package, relative to the directory that
# configure is in, which we can look for to find out if srcdir is correct.
ac_unique_file=yart.h

# Find the source files, if location was not specified.
if test -z "$srcdir"; then
  ac_srcdir_defaulted=yes
  # Try the directory containing this script, then `..'.
  ac_prog=$0
  ac_confdir=`echo $ac_prog|sed 's%/[^/][^/]*$%%'`
  test "x$ac_confdir" = "x$ac_prog" && ac_confdir=.
  srcdir=$ac_confdir
  if test ! -r $srcdir/$ac_unique_file; then
    srcdir=..
  fi
fi
if test ! -r $srcdir/$ac_unique_file; then
  if test x$ac_srcdir_defaulted = xyes; then
    echo "configure: can not find sources in ${ac_confdir} or .." >&2; exit 1
  else
    echo "configure: can not find sources in ${srcdir}" >&2; exit 1
  fi
fi
ac_ext=c
ac_cpp='${CPP} $CFLAGS'
ac_compile='${CC-cc} $CFLAGS $LDFLAGS conftest.${ac_ext} -o conftest $LIBS >/dev/null 2>&1'



#--------------------------------------------------
# Test for some Programms 
#--------------------------------------------------

if test -z "$RANLIB"; then
  # Extract the first word of `ranlib', so it can be a program name with args.
  set ac_dummy ranlib; ac_word=$2
  test -n "$silent" || echo "checking for $ac_word"
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
  for ac_dir in $PATH; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      RANLIB="ranlib"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
test -z "$RANLIB" && RANLIB=":"
test -n "$RANLIB" && test -n "$verbose" && echo "	setting RANLIB to $RANLIB"



#--------------------------------------------------
# Test Compiler and set Compiler Flags
#--------------------------------------------------

if test -z "$CC"; then
  # Extract the first word of `gcc', so it can be a program name with args.
  set ac_dummy gcc; ac_word=$2
  test -n "$silent" || echo "checking for $ac_word"
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
  for ac_dir in $PATH; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      CC="gcc"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
test -z "$CC" && CC="cc"
test -n "$CC" && test -n "$verbose" && echo "	setting CC to $CC"

# Find out if we are using GNU C, under whatever name.
cat > conftest.c <<EOF
#ifdef __GNUC__
  yes
#endif
EOF
${CC-cc} -E conftest.c > conftest.out 2>&1
if egrep yes conftest.out >/dev/null 2>&1; then
  GCC=1 # For later tests.
fi
rm -f conftest*

test -n "$silent" || echo "checking how to run the C preprocessor"
if test -z "$CPP"; then
  # This must be in double quotes, not single quotes, because CPP may get
  # substituted into the Makefile and ``${CC-cc}'' will simply confuse
  # make.  It must be expanded now.
  CPP="${CC-cc} -E"
  cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <stdio.h>
Syntax Error
EOF
# Some shells (Coherent) do redirections in the wrong order, so need
# the parens.
ac_err=`eval "($ac_cpp conftest.${ac_ext} >/dev/null) 2>&1"`
if test -z "$ac_err"; then
  :
else
  rm -rf conftest*
  CPP="${CC-cc} -E -traditional-cpp"
  cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <stdio.h>
Syntax Error
EOF
# Some shells (Coherent) do redirections in the wrong order, so need
# the parens.
ac_err=`eval "($ac_cpp conftest.${ac_ext} >/dev/null) 2>&1"`
if test -z "$ac_err"; then
  :
else
  rm -rf conftest*
  CPP=/lib/cpp
fi
rm -f conftest*
fi
rm -f conftest*
fi
test -n "$verbose" && echo "	setting CPP to $CPP"


#--------------------------------------------------------------------
#	Locate the X11 header files and the X11 library archive.
#--------------------------------------------------------------------

echo checking for X11 header files
XINCLUDES="# no special path needed"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <X11/Intrinsic.h>
EOF
# Some shells (Coherent) do redirections in the wrong order, so need
# the parens.
ac_err=`eval "($ac_cpp conftest.${ac_ext} >/dev/null) 2>&1"`
if test -z "$ac_err"; then
  :
else
  rm -rf conftest*
  XINCLUDES="nope"
fi
rm -f conftest*
if test "$XINCLUDES" = nope; then
    dirs="/usr/unsupported/include /usr/local/include /usr/X386/include /usr/include/X11R4 /usr/X11R5/include /usr/include/X11R5 /usr/openwin/include /usr/X11/include"
    for i in $dirs ; do
	if test -r $i/X11/Intrinsic.h; then
	    XINCLUDES=" -I$i"
	fi
    done
fi
if test "$XINCLUDES" = nope; then
  echo "Warning:  couldn't find any X11 include files."
  XINCLUDES="# no include files found"
fi


echo "checking for X11 library archive"
ac_save_LIBS="${LIBS}"
LIBS="${LIBS} -lX11"
ac_have_lib=""
test -n "$silent" || echo "checking for -lX11"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   :; XLIBSW="-lX11"
else
   :; XLIBSW=nope
fi

if test "$XLIBSW" = nope; then
    dirs="/usr/unsupported/lib /usr/local/lib /usr/X386/lib /usr/lib/X11R4 /usr/X11R5/lib /usr/lib/X11R5 /usr/openwin/lib /usr/X11/lib"
    for i in $dirs ; do
	if test -r $i/libX11.a; then
	    XLIBSW="-L$i -lX11"
	fi
    done
fi
if test "$XLIBSW" = nope ; then
    ac_save_LIBS="${LIBS}"
LIBS="${LIBS} -lXwindow"
ac_have_lib=""
test -n "$silent" || echo "checking for -lXwindow"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   :; XLIBSW=-lXwindow
else
   :; 
fi

fi
if test "$XLIBSW" = nope ; then
    echo "Warning:  couldn't find the X11 library archive.  Using -lX11."
    XLIBSW=-lX11
fi
ac_save_LIBS="${LIBS}"
LIBS="${LIBS} -ldnet_stub"
ac_have_lib=""
test -n "$silent" || echo "checking for -ldnet_stub"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   :; LIBDNET="-ldnet_stub"
else
   :; LIBDNET=""
fi

XLIBSW="$XLIBSW $LIBDNET"


ac_save_LIBS="${LIBS}"
LIBS="${LIBS} -lXi"
ac_have_lib=""
test -n "$silent" || echo "checking for -lXi"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"

int main() { return 0; }
int t() { main();; return 0; }
EOF
if eval $ac_compile; then
  rm -rf conftest*
  ac_have_lib="1"

fi
rm -f conftest*
LIBS="${ac_save_LIBS}"
if test -n "${ac_have_lib}"; then
   :; XILIB="-lXi"
else
   :; XILIB=""
fi



#--------------------------------------------------
# Include sys/select.h if it exists.
#--------------------------------------------------

echo checking for sys/select.h
test -n "$silent" || echo "checking for fd_set"
cat > conftest.${ac_ext} <<EOF
#include "confdefs.h"
#include <sys/types.h>
int main() { return 0; }
int t() { fd_set rfds, wfds;; return 0; }
EOF
if eval $ac_compile; then
  :
else
  rm -rf conftest*
  echo '#include "confdefs.h"
#include <sys/select.h>' > conftest.${ac_ext}
eval "$ac_cpp conftest.${ac_ext} > conftest.out 2>&1"
if egrep "fd_mask" conftest.out >/dev/null 2>&1; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining HAVE_SYS_SELECT_H"
echo "#define" HAVE_SYS_SELECT_H "1" >> confdefs.h
DEFS="$DEFS -DHAVE_SYS_SELECT_H=1"
}


else
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining NO_FD_SET"
echo "#define" NO_FD_SET "1" >> confdefs.h
DEFS="$DEFS -DNO_FD_SET=1"
}

fi
rm -f conftest*

fi
rm -f conftest*



#--------------------------------------------------
# Compiler ?
#--------------------------------------------------

CC_DEP=""
if test -z "$CC_found"; then
  # Extract the first word of `CC', so it can be a program name with args.
  set ac_dummy CC; ac_word=$2
  test -n "$silent" || echo "checking for $ac_word"
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
  for ac_dir in $PATH; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      CC_found="1"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
test -z "$CC_found" && CC_found="0"
test -n "$CC_found" && test -n "$verbose" && echo "	setting CC_found to $CC_found"

if test $CC_found -eq 1 ; then
   CC="CC"
   CC_DEP="-M"
else
   if test -z "$gnu_found"; then
  # Extract the first word of `g++', so it can be a program name with args.
  set ac_dummy g++; ac_word=$2
  test -n "$silent" || echo "checking for $ac_word"
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
  for ac_dir in $PATH; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      gnu_found="1"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
test -z "$gnu_found" && gnu_found="0"
test -n "$gnu_found" && test -n "$verbose" && echo "	setting gnu_found to $gnu_found"

   if test $gnu_found -eq 1 ; then
      CC="g++"
      CC_DEP=""
   else
      while test -z "$CC"; do
         echo "What compiler :"
         read CC
      done
   fi
fi



#--------------------------------------------------
# Check the specified low-level interface
# ( if there is one in $1 )
#--------------------------------------------------

PORT_OK=""
if test -n "$port" ; then 
   # use platform specified by parameter
   case $port in
      X11) PORT_OK="o.k.";;
      X11_VOGL) PORT_OK="o.k.";;	
      GRAL_PHIGS) PORT_OK="o.k.";;
      OPEN_GL) PORT_OK="o.k.";;
      SGI_GL) PORT_OK="o.k.";;
      IBM_GL) PORT_OK="o.k.";;
   esac 
   if test -z "$PORT_OK"; then
      echo "Don't support interface to \"$port\". Following ones are supported:\n\
\tX11 - standard UNIX interface\n\
\tX11_VOGL - VOGL library and X11\n\
\tGRAL_PHIGS - PHIGS PLUS by GTS_GRAL (ISO-C-binding)\n\
\tOPEN_GL - OpenGL 1.0\n\
\tSGI_GL - IRIS GL 4.0\n\
\tIBM_GL - AIX GL (compatible to SGI GL 3.2)\n\
Will try to find the right interface by checking your machine ..."
   port=""	
   fi
   fi	

# automatic platform detection:
if test -z "$uname_found"; then
  # Extract the first word of `uname', so it can be a program name with args.
  set ac_dummy uname; ac_word=$2
  test -n "$silent" || echo "checking for $ac_word"
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
  for ac_dir in $PATH; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      uname_found="1"
      break
    fi
  done
  IFS="$ac_save_ifs"
fi
test -z "$uname_found" && uname_found="0"
test -n "$uname_found" && test -n "$verbose" && echo "	setting uname_found to $uname_found"

if test $uname_found -eq 1 ; then
   system=`uname -s`-`uname -r`
   case $system in
	 IRIX-4*) if test -z "$port"; then port=SGI_GL;	fi
		SYSTEM=IRIX_4
		RANLIB=echo
		;;
         IRIX-5*) if test -z "$port"; then port=OPEN_GL; fi
		SYSTEM=IRIX_5
		RANLIB="ar ts"
		;;
         AIX*) if test -z "$port"; then port=IBM_GL; fi
		SYSTEM=AIX
		CC="xlC -bmaxdata"
		;;
	 SunOS-4*) if test -z "$port"; then port=X11; fi	
		SYSTEM=SUNOS_4
		;;
         Linux*) if test -z "$port"; then port=X11; fi
		SYSTEM=LINUX
		;;	
         OSF1-V2*)  if test -z "$port"; then port=X11; fi
 		SYSTEM=OSF1_2
  		;;	
	esac
else 
     echo "uname: Command not found. Will use X11 interface"
     port=X11	
fi
echo "**** Interface to $port will be used *****"

case $port in
      X11)
         SP_DEFS="-DRTD_CPP_INCLUDES"
         SP_SRCS="system/x11.C system/fclip.C system/fmesh.C system/fgraph.C system/fhard.C system/fview.C system/fshad.C system/fdither.C system/flight.C system/fglobal.C"
         SP_TK_SRCS="system/tkx11.C system/fclip.C system/fmesh.C system/fgraph.C system/fhard.C system/fview.C system/fshad.C system/fdither.C system/flight.C system/fglobal.C"
         SP_LIBS="$XLIBSW"
         SP_INC=""
         ;;
      X11_VOGL)
         SP_DEFS="-DRTD_CPP_INCLUDES"
         SP_SRCS="system/fdither.C system/vogl.C"
         SP_TK_SRCS="system/fdither.C system/tkvogl.C"
         SP_LIBS="-L$GOOD_ROOT_DIR/require/vogl/src -lvogl $XLIBSW"
         SP_INC="-I$GOOD_ROOT_DIR/require/vogl/src"
         ;;
      GRAL_PHIGS)
         SP_DEFS="-DRTD_CPP_INCLUDES"
         SP_SRCS="system/gralphgs.C system/grelem.C"
         SP_TK_SRCS="system/tkglphgs.C system/grelem.C"
         SP_LIBS="-L/usr/local/graphigs+_iso/lib -lgphigsc -lgl_s -lX11_s"
         SP_INC="-I/usr/local/graphigs+_iso/filepp"        
         ;;
      OPEN_GL)
         SP_DEFS="-DRTD_CPP_INCLUDES"
         SP_SRCS="system/opgl.C"
         SP_TK_SRCS="system/tkopgl.C"
         SP_LIBS="-lGL -lGLU -lX11 -lXext"
         SP_INC=""
         ;;
      SGI_GL)
         SP_DEFS="-DRTD_CPP_INCLUDES"
         SP_SRCS="system/gl.C"
         SP_TK_SRCS="system/xspbdev.o system/tkgl.C"
         SP_LIBS="-lgl_s -lX11_s"
	 ;;
      IBM_GL)
         SP_DEFS=""
         SP_SRCS="system/ibmgl.C"
         SP_TK_SRCS="system/tkibmgl.C"
         SP_LIBS="-lgl -lX11"
	 ;;
   esac










# Set default prefixes.
if test -n "$prefix"; then
  test -z "$exec_prefix" && exec_prefix='${prefix}' # Let make expand it.
  ac_prsub="s%^prefix\\([ 	]*\\)=\\([ 	]*\\).*$%prefix\\1=\\2$prefix%"
fi
if test -n "$exec_prefix"; then
  ac_prsub="$ac_prsub
s%^exec_prefix\\([ 	]*\\)=\\([ 	]*\\).*$%exec_prefix\\1=\\2$exec_prefix%"
fi
# Any assignment to VPATH causes Sun make to only execute
# the first set of double-colon rules, so remove it if not needed.
# If there is a colon in the path, we need to keep it.
if test "x$srcdir" = x.; then
  ac_vpsub='/^[ 	]*VPATH[ 	]*=[^:]*$/d'
fi

# Quote sed substitution magic chars in DEFS.
cat >conftest.def <<EOF
$DEFS
EOF
ac_escape_ampersand_and_backslash='s%[&\\]%\\&%g'
DEFS=`sed "$ac_escape_ampersand_and_backslash" <conftest.def`
rm -f conftest.def
# Substitute for predefined variables.

trap 'rm -f config.status; exit 1' 1 2 15
echo creating config.status
rm -f config.status
cat > config.status <<EOF
#!/bin/sh
# Generated automatically by configure.
# Run this file to recreate the current configuration.
# This directory was configured as follows,
# on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
#
# $0 $configure_args

ac_cs_usage="Usage: config.status [--recheck] [--version] [--help]"
for ac_option
do
  case "\$ac_option" in
  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
    echo running \${CONFIG_SHELL-/bin/sh} $0 $configure_args --no-create
    exec \${CONFIG_SHELL-/bin/sh} $0 $configure_args --no-create ;;
  -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
    echo "config.status generated by autoconf version 1.9"
    exit 0 ;;
  -help | --help | --hel | --he | --h)
    echo "\$ac_cs_usage"; exit 0 ;;
  *) echo "\$ac_cs_usage"; exit 1 ;;
  esac
done

trap 'rm -f Makefile; exit 1' 1 2 15
RANLIB='$RANLIB'
CC='$CC'
CPP='$CPP'
XINCLUDES='$XINCLUDES'
XLIBSW='$XLIBSW'
XILIB='$XILIB'
CC_found='$CC_found'
gnu_found='$gnu_found'
CC_DEP='$CC_DEP'
uname_found='$uname_found'
XI_LIB='$XI_LIB'
SP_DEFS='$SP_DEFS'
SP_SRCS='$SP_SRCS'
SP_TK_SRCS='$SP_TK_SRCS'
SP_LIBS='$SP_LIBS'
SP_INC='$SP_INC'
SYSTEM='$SYSTEM'
LIBS='$LIBS'
srcdir='$srcdir'
top_srcdir='$top_srcdir'
prefix='$prefix'
exec_prefix='$exec_prefix'
DEFS='$DEFS'
ac_prsub='$ac_prsub'
ac_vpsub='$ac_vpsub'
extrasub='$extrasub'
EOF
cat >> config.status <<\EOF

ac_given_srcdir=$srcdir

CONFIG_FILES=${CONFIG_FILES-"Makefile"}
for ac_file in .. ${CONFIG_FILES}; do if test "x$ac_file" != x..; then
  # Remove last slash and all that follows it.  Not all systems have dirname.
  ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
  if test "$ac_dir" != "$ac_file"; then
    # The file is in a subdirectory.
    test ! -d "$ac_dir" && mkdir "$ac_dir"
    ac_dir_suffix="/$ac_dir"
  else
    ac_dir_suffix=
  fi

  # A "../" for each directory in $ac_dir_suffix.
  ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
  case "$ac_given_srcdir" in
  .)  srcdir=.; top_srcdir="$ac_dots." ;;
  /*) srcdir="$ac_given_srcdir$ac_dir_suffix"; top_srcdir="$ac_given_srcdir" ;;
  *) # Relative path.
    srcdir="$ac_dots$ac_given_srcdir$ac_dir_suffix"
    top_srcdir="$ac_dots$ac_given_srcdir" ;;
  esac

  echo creating "$ac_file"
  rm -f "$ac_file"
  comment_str="Generated automatically from `echo $ac_file|sed 's|.*/||'`.in by configure."
  case "$ac_file" in
    *.c | *.h | *.C | *.cc | *.m )  echo "/* $comment_str */" > "$ac_file" ;;
    * )          echo "# $comment_str"     > "$ac_file" ;;
  esac
  sed -e "
$ac_prsub
$ac_vpsub
$extrasub
s%@RANLIB@%$RANLIB%g
s%@CC@%$CC%g
s%@CPP@%$CPP%g
s%@XINCLUDES@%$XINCLUDES%g
s%@XLIBSW@%$XLIBSW%g
s%@XILIB@%$XILIB%g
s%@CC_found@%$CC_found%g
s%@gnu_found@%$gnu_found%g
s%@CC_DEP@%$CC_DEP%g
s%@uname_found@%$uname_found%g
s%@XI_LIB@%$XI_LIB%g
s%@SP_DEFS@%$SP_DEFS%g
s%@SP_SRCS@%$SP_SRCS%g
s%@SP_TK_SRCS@%$SP_TK_SRCS%g
s%@SP_LIBS@%$SP_LIBS%g
s%@SP_INC@%$SP_INC%g
s%@SYSTEM@%$SYSTEM%g
s%@LIBS@%$LIBS%g
s%@srcdir@%$srcdir%g
s%@top_srcdir@%$top_srcdir%g
s%@prefix@%$prefix%g
s%@exec_prefix@%$exec_prefix%g
s%@DEFS@%$DEFS%
" $ac_given_srcdir/${ac_file}.in >> $ac_file
fi; done


exit 0
EOF
chmod +x config.status
test -n "$no_create" || ${CONFIG_SHELL-/bin/sh} config.status


