#!/bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf.
# Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.

# This program 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 program 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.

# Usage: configure [--srcdir=DIR] [--host=HOST] [--gas] [--nfp]
#        [--prefix=PREFIX] [--exec-prefix=PREFIX] [--with-PACKAGE[=VALUE]]
# Ignores all args except --srcdir, --prefix, --exec-prefix, and
# --with-PACKAGE[=VALUE] unless this script has special code to handle it.

for arg
do
  # Handle --exec-prefix with a space before the argument.
  if test x$next_exec_prefix = xyes; then exec_prefix=$arg; next_exec_prefix=
  # Handle --host with a space before the argument.
  elif test x$next_host = xyes; then next_host=
  # Handle --prefix with a space before the argument.
  elif test x$next_prefix = xyes; then prefix=$arg; next_prefix=
  # Handle --srcdir with a space before the argument.
  elif test x$next_srcdir = xyes; then srcdir=$arg; next_srcdir=
  else
    case $arg in
     # 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=* | --e=*)
	exec_prefix=`echo $arg | sed 's/[-a-z_]*=//'` ;;
     -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- | --exec | --exe | --ex | --e)
	next_exec_prefix=yes ;;

     -gas | --gas | --ga | --g) ;;

     -host=* | --host=* | --hos=* | --ho=* | --h=*) ;;
     -host | --host | --hos | --ho | --h)
	next_host=yes ;;

     -nfp | --nfp | --nf) ;;

     -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
	prefix=`echo $arg | sed 's/[-a-z_]*=//'` ;;
     -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
	next_prefix=yes ;;

     -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=* | --s=*)
	srcdir=`echo $arg | sed 's/[-a-z_]*=//'` ;;
     -srcdir | --srcdir | --srcdi | --srcd | --src | --sr | --s)
	next_srcdir=yes ;;

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

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

     *) ;;
    esac
  fi
done

trap 'rm -fr conftest* confdefs* core; exit 1' 1 3 15
trap 'rm -f confdefs*' 0

# 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

rm -f conftest* confdefs.h
# AIX cpp loses on an empty file, so make sure it contains at least a newline.
echo > confdefs.h
compile='${CC-cc} $CFLAGS conftest.c -o conftest $LIBS >/dev/null 2>&1'

# 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.
unique_file=ext.c

# Find the source files, if location was not specified.
if test -z "$srcdir"; then
  srcdirdefaulted=yes
  # Try the directory containing this script, then `..'.
  prog=$0
  confdir=`echo $prog|sed 's%/[^/][^/]*$%%'`
  test "X$confdir" = "X$prog" && confdir=.
  srcdir=$confdir
  if test ! -r $srcdir/$unique_file; then
    srcdir=..
  fi
fi
if test ! -r $srcdir/$unique_file; then
  if test x$srcdirdefaulted = xyes; then
    echo "configure: Can not find sources in \`${confdir}' or \`..'." 1>&2
  else
    echo "configure: Can not find sources in \`${srcdir}'." 1>&2
  fi
  exit 1
fi
# Preserve a srcdir of `.' to avoid automounter screwups with pwd.
# But we can't avoid them for `..', to make subdirectories work.
case $srcdir in
  .|/*|~*) ;;
  *) srcdir=`cd $srcdir; pwd` ;; # Make relative path absolute.
esac


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


# -----------------------------------------------------------------------
#
# 	C compiler and debugging flags
#
# -----------------------------------------------------------------------
# check whether --with-gcc was given
withval="$with_gcc"
if test -n "$withval"; then
  CC=gcc
fi

# check whether --with-acc was given
withval="$with_acc"
if test -n "$withval"; then
  CC=acc
fi

# check whether --with-lcc was given
withval="$with_lcc"
if test -n "$withval"; then
  CC=lcc
fi

# check whether --with-cc was given
withval="$with_cc"
if test -n "$withval"; then
  CC=cc
fi

if test -z "$CC" ; then 
    CC=cc
fi



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="${CC-cc} -E"
  cat > conftest.c <<EOF
#include "confdefs.h"
#include <stdio.h>
Syntax Error
EOF
err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then
  :
else
  rm -rf conftest*
  CPP=/lib/cpp
fi
rm -f conftest*
fi
test ".${verbose}" != "." && echo "	setting CPP to $CPP"

echo checking for ANSI C header files
cat > conftest.c <<EOF
#include "confdefs.h"
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <float.h>
EOF
err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then
  rm -rf conftest*
  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
echo '#include "confdefs.h"
#include <string.h>' > conftest.c
eval "$CPP conftest.c > conftest.out 2>&1"
if egrep "memchr" conftest.out >/dev/null 2>&1; then
  rm -rf conftest*
  # SGI's /bin/cc from Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
cat > conftest.c <<EOF
#include "confdefs.h"
#include <ctype.h>
#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
#define XOR(e,f) (((e) && !(f)) || (!(e) && (f)))
int main () { int i; for (i = 0; i < 256; i++)
if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
exit (0); }

EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
  
{
test -n "$verbose" && \
echo "	defining STDC_HEADERS"
echo "#define" STDC_HEADERS 1 >> confdefs.h
DEFS="$DEFS -DSTDC_HEADERS=1"
SEDDEFS="${SEDDEFS}\${SEDdA}STDC_HEADERS\${SEDdB}STDC_HEADERS\${SEDdC}1\${SEDdD}
\${SEDuA}STDC_HEADERS\${SEDuB}STDC_HEADERS\${SEDuC}1\${SEDuD}
\${SEDeA}STDC_HEADERS\${SEDeB}STDC_HEADERS\${SEDeC}1\${SEDeD}
"
}


fi
rm -fr conftest*

fi
rm -f conftest*


fi
rm -f conftest*

for hdr in stdlib.h string.h errno.h
do
trhdr=HAVE_`echo $hdr | tr '[a-z]./' '[A-Z]__'`
echo checking for ${hdr}
cat > conftest.c <<EOF
#include "confdefs.h"
#include <${hdr}>
EOF
err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining ${trhdr}"
echo "#define" ${trhdr} 1 >> confdefs.h
DEFS="$DEFS -D${trhdr}=1"
SEDDEFS="${SEDDEFS}\${SEDdA}${trhdr}\${SEDdB}${trhdr}\${SEDdC}1\${SEDdD}
\${SEDuA}${trhdr}\${SEDuB}${trhdr}\${SEDuC}1\${SEDuD}
\${SEDeA}${trhdr}\${SEDeB}${trhdr}\${SEDeC}1\${SEDeD}
"
}


fi
rm -f conftest*
done

for hdr in dl.h dlfcn.h
do
trhdr=HAVE_`echo $hdr | tr '[a-z]./' '[A-Z]__'`
echo checking for ${hdr}
cat > conftest.c <<EOF
#include "confdefs.h"
#include <${hdr}>
EOF
err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then
  rm -rf conftest*
  
{
test -n "$verbose" && \
echo "	defining ${trhdr}"
echo "#define" ${trhdr} 1 >> confdefs.h
DEFS="$DEFS -D${trhdr}=1"
SEDDEFS="${SEDDEFS}\${SEDdA}${trhdr}\${SEDdB}${trhdr}\${SEDdC}1\${SEDdD}
\${SEDuA}${trhdr}\${SEDuB}${trhdr}\${SEDuC}1\${SEDuD}
\${SEDeA}${trhdr}\${SEDeB}${trhdr}\${SEDeC}1\${SEDeD}
"
}


fi
rm -f conftest*
done


CDEBUGFLAGS="-O"
# check whether --with-debug was given
withval="$with_debug"
if test -n "$withval"; then
  CDEBUGFLAGS=-g
fi

if test "$CC" = "gcc" ; then
  CDEBUGFLAGS="$CDEBUGFLAGS -fwritable-strings"
fi


# -----------------------------------------------------------------------
#
# 	Set prefix variable if one wasn't provided
#
# -----------------------------------------------------------------------
if test -z "$prefix" ; then
    prefix=/usr/local/blt
fi


# -----------------------------------------------------------------------
#
# 	Set PWD variable if vendor's /bin/sh doesn't
#
# -----------------------------------------------------------------------
if test -z "$PWD" ; then
    PWD=`pwd`
fi

TOP1=$PWD/../../..
TOP2=$PWD/../../../..

# -----------------------------------------------------------------------
#
# 	Check for existence of ranlib and install programs
#
# -----------------------------------------------------------------------
# Make sure to not get the incompatible SysV /etc/install and
# /usr/sbin/install, which might be in PATH before a BSD-like install,
# or the SunOS /usr/etc/install directory, or the AIX /bin/install,
# or the AFS install, which mishandles nonexistent args, or
# /usr/ucb/install on SVR4, which tries to use the nonexistent group
# `staff'.  On most BSDish systems install is in /usr/bin, not /usr/ucb
# anyway.  Sigh.
if test "z${INSTALL}" = "z" ; then
  echo checking for install
  IFS="${IFS= 	}"; saveifs="$IFS"; IFS="${IFS}:"
  for dir in $PATH; do
    test -z "$dir" && dir=.
    case $dir in
    /etc|/usr/sbin|/usr/etc|/usr/afsws/bin|/usr/ucb) ;;
    *)
      if test -f $dir/installbsd; then
	INSTALL="$dir/installbsd -c" # OSF1
	INSTALL_PROGRAM='$(INSTALL)'
	INSTALL_DATA='$(INSTALL) -m 644'
	break
      fi
      if test -f $dir/install; then
	if grep dspmsg $dir/install >/dev/null 2>&1; then
	  : # AIX
	else
	  INSTALL="$dir/install -c"
	  INSTALL_PROGRAM='$(INSTALL)'
	  INSTALL_DATA='$(INSTALL) -m 644'
	  break
	fi
      fi
      ;;
    esac
  done
  IFS="$saveifs"
fi
INSTALL=${INSTALL-cp}
test -n "$verbose" && echo "	setting INSTALL to $INSTALL"
INSTALL_PROGRAM=${INSTALL_PROGRAM-'$(INSTALL)'}
test -n "$verbose" && echo "	setting INSTALL_PROGRAM to $INSTALL_PROGRAM"
INSTALL_DATA=${INSTALL_DATA-'$(INSTALL)'}
test -n "$verbose" && echo "	setting INSTALL_DATA to $INSTALL_DATA"

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="${CC-cc} -E"
  cat > conftest.c <<EOF
#include "confdefs.h"
#include <stdio.h>
Syntax Error
EOF
err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then
  :
else
  rm -rf conftest*
  CPP=/lib/cpp
fi
rm -f conftest*
fi
test ".${verbose}" != "." && echo "	setting CPP to $CPP"

    
# -----------------------------------------------------------------------
# 	Run xmkmf to check for location of X libraries and includes.
#	Fill in some default values if we still can't find anything.
# -----------------------------------------------------------------------
# If we find X, set shell vars x_includes and x_libraries to the paths.
no_x=true
echo checking for X include and library files with xmkmf
rm -fr conftestdir
if mkdir conftestdir; then
  cd conftestdir
  cat > Imakefile <<\EOF
acfindx:
	@echo "im_incroot=$(INCROOT); im_usrlibdir=$(USRLIBDIR); im_libdir=$(LIBDIR)"
EOF
  if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
    no_x=
    # GNU make sometimes prints "make[1]: Entering...", which would confuse us.
    eval `make acfindx | grep -v make`
    # Open Windows xmkmf reportedly sets LIBDIR instead of USRLIBDIR.
    if test ! -f $im_usrlibdir/libX11.a && test -f $im_libdir/libX11.a; then
      im_usrlibdir=$im_libdir
    fi
    case "$im_incroot" in
	/usr/include) ;;
	*) x_includes="$im_incroot" ;;
    esac
    case "$im_usrlibdir" in
	/usr/lib | /lib) ;;
	*) x_libraries="$im_usrlibdir" ;;
    esac
  fi
  cd ..
  rm -fr conftestdir
fi

if test -z "$im_usrlibdir"; then
echo checking for X include and library files directly
cat > conftest.c <<EOF
#include "confdefs.h"
#include <X11/Intrinsic.h>
EOF
err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then
  rm -rf conftest*
  no_x=

else
  rm -rf conftest*
  for dir in \
    /usr/local/include \
    /usr/unsupported/include \
    /usr/x386/include \
    /usr/local/x11r5/include \
    /usr/include/X11R5 \
    /usr/include/X11R4 \
    /usr/X11R5/include \
    /usr/X11/include \
    /usr/openwin/include \
    /usr/openwin/share/include \
    /usr/lpp/Xamples/include \
    ; \
  do
    if test -r $dir/X11/Intrinsic.h; then
      x_includes=$dir; no_x=
      break
    fi
  done
fi
rm -f conftest*

# Check for the libraries.  First see if replacing the `include' by
# `lib' works.
LIBS_save="${LIBS}"
LIBS="${LIBS} -lXt"
have_lib=""
echo checking for -lXt
cat > conftest.c <<EOF
#include "confdefs.h"

int main() { exit(0); }
int t() { main(); }
EOF
if eval $compile; then
  rm -rf conftest*
  have_lib="1"

fi
rm -f conftest*
LIBS="${LIBS_save}"
if test -n "${have_lib}"; then
   :; no_x=
else
   :; for dir in `echo "$x_includes" | sed s/include/lib/` \
  /usr/local/lib \
  /usr/unsupported/lib \
  /usr/x386/lib \
  /usr/local/x11r5/lib \
  /usr/lib/X11 \
  /usr/lib/X11R4 \
  /usr/X11R5/lib \
  /usr/X11/lib \
  /usr/openwin/lib \
  /usr/lpp/Xamples/lib \
  ; \
do
  for extension in a so sl; do
    if test -r $dir/libXt.$extension; then
      x_libraries=$dir; no_x=
      break 2
    fi
  done
done
fi

fi
if test -n "$verbose"; then
  test -n "$x_includes" && echo "	found X11 headers in $x_includes"
  test -n "$x_libraries" && echo "	found X11 libraries in $x_libraries"
fi

XINCDIR="$x_includes"
if test -z "$XINCDIR" ; then
    cat > conftest.c <<EOF
#include "confdefs.h"
#include <X11/Intrinsic.h>
EOF
err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then
  rm -rf conftest*
   XINCDIR="default" 

else
  rm -rf conftest*
  
    places="/usr/X11/include \
	/usr/X386/include \
	/usr/X11R5/include \
	/usr/local/X11R5/include \
	/usr/include/X11R5 \
	/usr/openwin/include \
	/usr/local/X11R4/include \
	/usr/include/X11R4 \
	/usr/local/include \
	/usr/unsupported/include \
	/usr/include"
    for dir in $places; do
	if test -r $dir/X11/Intrinsic.h; then
	    XINCDIR=$dir
	    break
	fi
    done
    if test -z "$XINCDIR" ; then
        echo "Warning:  couldn't find any X11 include files."
        XINCDIR="default"
    fi 
fi
rm -f conftest*
fi
if test "$XINCDIR" = "/usr/include" ; then
    XINCDIR="default"
fi

XLIBDIR="$x_libraries"
if test -z "$XLIBDIR" ; then
    LIBS_save="${LIBS}"
LIBS="${LIBS} -lX11"
have_lib=""
echo checking for -lX11
cat > conftest.c <<EOF
#include "confdefs.h"

int main() { exit(0); }
int t() { main(); }
EOF
if eval $compile; then
  rm -rf conftest*
  have_lib="1"

fi
rm -f conftest*
LIBS="${LIBS_save}"
if test -n "${have_lib}"; then
   :;  XLIBDIR="default" 
else
   :; 
    places="/usr/X11/lib \
    	/usr/X386/lib \
    	/usr/X11R5/lib \
    	/usr/local/X11R5/lib \
    	/usr/lib/X11R5 \
    	/usr/openwin/lib \
    	/usr/local/X11R4/lib \
    	/usr/lib/X11R4 \ 
    	/usr/local/lib \
    	/usr/unsupported/lib \
    	/usr/lib \
    	/lib"
    for dir in $places; do
        if test -r $dir/libX11.a; then
    	    XLIBDIR=$dir
    	    break
        fi
    done
    if test -z "$XLIBDIR" ; then
	echo "Warning:  couldn't find the X11 library archive. "
	XLIBDIR="default"
    fi 
fi

fi
if test "$XLIBDIR" = "/usr/lib" ; then
    XLIBDIR="default"
fi

XINCSW=""
if test "$XINCDIR" != "default" ; then
    XINCSW="-I$XINCDIR"
fi

XLIBSW=""
if test "$XLIBDIR" != "default" ; then
    XLIBSW="-L$XLIBDIR"
fi



# -----------------------------------------------------------------------
#
# 	Make some guesses where the Tcl/Tk include files and 
#	libraries are.  I'm not crazy about doing it this way.  
#	It might be better to specify some command-line options
#	when invoking configure.
#
# 	Look first in the Tcl/Tk distributions and then move on 
#	to the standard include file/library locations.  If it's 
#	still not found then query for it.
#
# -----------------------------------------------------------------------

# -----------------------------------------------------------------------
#	tcl.h
# -----------------------------------------------------------------------
echo "checking for tcl.h"
TCLINCDIR=""
places="$TOP1/tcl7.3 \
    $TOP1/tcl7.2 \
    $TOP1/tcl7.1 \
    $TOP1/tcl7.0 \
    $TOP1/tcl7.0b3 \
    $TOP2/tcl7.3 \
    $TOP2/tcl7.2 \
    $TOP2/tcl7.1 \
    $TOP2/tcl7.0 \
    $TOP2/tcl7.0b3 \
    $prefix/include \
    $XINCDIR/tk \
    $XINCDIR \
    /usr/local/include \
    /opt/cellar/tcl/tcl7.3/include \
    /usr/include"
for dir in $places; do
    if test -r $dir/tcl.h ; then
        TCLINCDIR=$dir
        break
    fi
done
while test -z "$TCLINCDIR" ; do
    echo "What directory contains tcl.h (absolute path) ?"
    read TCLINCDIR
done
if test "$TCLINCDIR" = "/usr/include" ; then
    TCLINCDIR= "default"
fi

TCLINCSW=""
if test "$TCLINCDIR" != "default" ; then
    TCLINCSW="-I$TCLINCDIR"
fi


# -----------------------------------------------------------------------
#	libtcl.a
# -----------------------------------------------------------------------
echo "checking for libtcl.a"
TCLLIBDIR=""
places="$TOP1/tcl7.3 \
    $TOP1/tcl7.2 \
    $TOP1/tcl7.1 \
    $TOP1/tcl7.0 \
    $TOP1/tcl7.0b3 \
    $TOP2/tcl7.3 \
    $TOP2/tcl7.2 \
    $TOP2/tcl7.1 \
    $TOP2/tcl7.0 \
    $TOP2/tcl7.0b3 \
    $prefix/lib \
    /opt/cellar/tcl/tcl7.3/lib \
    $XLIBDIR \
    /usr/local/lib \
    /usr/lib"
for dir in $places; do
    if test -r $dir/libtcl.a ; then
    	TCLLIBDIR=$dir
    	break
    fi
done
while test -z "$TCLLIBDIR" ; do
    echo "What directory contains libtcl.a ?"
    read TCLLIBDIR
done
if test "$TCLLIBDIR" = "/usr/lib" ; then
    TCLLIBDIR= "default"
fi

TCLLIBSW=""
if test "$TCLLIBDIR" != "default" ; then
    TCLLIBSW="-L$TCLLIBDIR"
fi



# -----------------------------------------------------------------------
# 	tk.h
# -----------------------------------------------------------------------
echo "checking for tk.h"
TKINCDIR=""
places="$TOP1/tk3.6 \
    $TOP1/tk3.5 \
    $TOP1/tk3.4 \
    $TOP1/tk3.3 \
    $TOP1/tk3.3b3 \
    $TOP2/tk3.6 \
    $TOP2/tk3.5 \
    $TOP2/tk3.4 \
    $TOP2/tk3.3 \
    $TOP2/tk3.3b3 \
    $XINCDIR/tk \
    $XINCDIR \
    $prefix/include \
    /opt/cellar/tk/tk3.6/include \
    /usr/local/include \
    /usr/include"
for dir in $places; do
    if test -r $dir/tk.h ; then
        TKINCDIR=$dir
        break
    fi
done
while test -z "$TKINCDIR" ; do
    echo "What directory contains tk.h (absolute path) ?"
    read TKINCDIR
done
if test "$TKINCDIR" = "/usr/include" ; then
    TKINCDIR="default"
fi

TKINCSW=""
if test "$TKINCDIR" != "default" ; then
    TKINCSW="-I$TKINCDIR"
fi


# -----------------------------------------------------------------------
# 	libtk.a
# -----------------------------------------------------------------------
echo "checking for libtk.a"
TKLIBDIR=""
places="$TOP1/tk3.6 \
    $TOP1/tk3.5 \
    $TOP1/tk3.4 \
    $TOP1/tk3.3 \
    $TOP1/tk3.3b3 \
    $TOP2/tk3.6 \
    $TOP2/tk3.5 \
    $TOP2/tk3.4 \
    $TOP2/tk3.3 \
    $TOP2/tk3.3b3 \
    $prefix/lib \
    /opt/cellar/tk/tk3.6/lib \
    $XLIBDIR \
    /usr/local/lib \
    /usr/lib"
for dir in $places; do
    if test -r $dir/libtk.a ; then
    	TKLIBDIR=$dir
    	break
    fi
done
while test -z "$TKLIBDIR" ; do
    echo "What directory contains libtk.a ?"
    read TKLIBDIR
done
if test "$TKLIBDIR" = "/usr/lib" ; then
    TKLIBDIR="default"
fi

TKLIBSW=""
if test "$TKLIBDIR" != "default" ; then
    TKLIBSW="-L$TKLIBDIR"
fi

 


#--------------------------------------------------------------------
#	Check for the existence of various libraries.  The order here
#	is important, so that then end up in the right order in the
#	command line generated by Make.
#--------------------------------------------------------------------
LIBS_save="${LIBS}"
LIBS="${LIBS} -lXbsd"
have_lib=""
echo checking for -lXbsd
cat > conftest.c <<EOF
#include "confdefs.h"

int main() { exit(0); }
int t() { main(); }
EOF
if eval $compile; then
  rm -rf conftest*
  have_lib="1"

fi
rm -f conftest*
LIBS="${LIBS_save}"
if test -n "${have_lib}"; then
   :; LIBS="$LIBS -lXbsd"
else
   :; 
fi

LIBS_save="${LIBS}"
LIBS="${LIBS} -lsocket"
have_lib=""
echo checking for -lsocket
cat > conftest.c <<EOF
#include "confdefs.h"

int main() { exit(0); }
int t() { main(); }
EOF
if eval $compile; then
  rm -rf conftest*
  have_lib="1"

fi
rm -f conftest*
LIBS="${LIBS_save}"
if test -n "${have_lib}"; then
   :; LIBS="$LIBS -lsocket"
else
   :; 
fi

LIBS_save="${LIBS}"
LIBS="${LIBS} -lnsl"
have_lib=""
echo checking for -lnsl
cat > conftest.c <<EOF
#include "confdefs.h"

int main() { exit(0); }
int t() { main(); }
EOF
if eval $compile; then
  rm -rf conftest*
  have_lib="1"

fi
rm -f conftest*
LIBS="${LIBS_save}"
if test -n "${have_lib}"; then
   :; LIBS="$LIBS -lnsl"
else
   :; 
fi

LIBS_save="${LIBS}"
LIBS="${LIBS} -lm"
have_lib=""
echo checking for -lm
cat > conftest.c <<EOF
#include "confdefs.h"

int main() { exit(0); }
int t() { main(); }
EOF
if eval $compile; then
  rm -rf conftest*
  have_lib="1"

fi
rm -f conftest*
LIBS="${LIBS_save}"
if test -n "${have_lib}"; then
   :; LIBS="$LIBS -lm"
else
   :; 
fi


#--------------------------------------------------------------------
#       Set flags to generate shared libraries for systems that we 
#       know about.
#--------------------------------------------------------------------
echo "checking how to use shared libraries"
SHLIB_CCFLAGS=""
SHLIB_LDFLAGS=""
SHLIB_LOADER=""
SHLIB_SUFFIX=""
if test -z "$uname_found"; then
  # Extract the first word of `uname', so it can be a program name with args.
  set dummy uname; word=$2
  echo checking for $word
  IFS="${IFS= 	}"; saveifs="$IFS"; IFS="${IFS}:"
  for dir in $PATH; do
    test -z "$dir" && dir=.
    if test -f $dir/$word; then
      uname_found="1"
      break
    fi
  done
  IFS="$saveifs"
fi
test -z "$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 $system in 
      SunOS-4*) 
        LIBS="$LIBS -ldl"
        ;;
      HP-UX-*.09.*)
        LIBS="$LIBS -lshl"
        ;;
      SunOS-5*)
        SHLIB_LDFLAGS='-R $(XLIBDIR):$(TKLIBDIR):$(TCLLIBDIR)'
        LIBS="$LIBS -ldl"
        ;;
      OSF-1.*)
        LIBS="$LIBS -ldl"
	;;
      ISIX-5*)
        LIBS="$LIBS -ldl"
        ;;
      *)
	echo "Don't know how to use shared libraries for $system"
	;;
    esac
fi







#--------------------------------------------------------------------
#	Propagate prefix argument as installation directory.
#--------------------------------------------------------------------
DESTDIR="$prefix"
BINDIR="$DESTDIR/bin"
MANDIR="$DESTDIR/man"





# Set default prefixes.
if test -n "$prefix"; then
  test -z "$exec_prefix" && exec_prefix='${prefix}'
  prsub="s%^prefix\\([ 	]*\\)=\\([ 	]*\\).*$%prefix\\1=\\2$prefix%"
fi
if test -n "$exec_prefix"; then
  prsub="$prsub
s%^exec_prefix\\([ 	]*\\)=\\([ 	]*\\).*$%exec_prefix\\1=\\2$exec_prefix%"
fi
# Quote sed substitution magic chars in DEFS.
cat >conftest.def <<EOF
$DEFS
EOF
escape_ampersand_and_backslash='s%[&\\]%\\&%g'
DEFS=`sed "$escape_ampersand_and_backslash" <conftest.def`
rm -f conftest.def
# Substitute for predefined variables.

trap 'rm -f config.status; exit 1' 1 3 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

for arg
do
  case "\$arg" in
    -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
    echo running \${CONFIG_SHELL-/bin/sh} $0 $configure_args
    exec \${CONFIG_SHELL-/bin/sh} $0 $configure_args ;;
    *) echo "Usage: config.status --recheck" 2>&1; exit 1 ;;
  esac
done

trap 'rm -fr Makefile extConfig.h conftest*; exit 1' 1 3 15
CC='$CC'
CPP='$CPP'
CDEBUGFLAGS='$CDEBUGFLAGS'
prefix='$prefix'
INSTALL='$INSTALL'
INSTALL_PROGRAM='$INSTALL_PROGRAM'
INSTALL_DATA='$INSTALL_DATA'
XINCSW='$XINCSW'
XLIBSW='$XLIBSW'
XLIBDIR='$XLIBDIR'
TCLINCSW='$TCLINCSW'
TCLLIBSW='$TCLLIBSW'
TCLLIBDIR='$TCLLIBDIR'
TKINCSW='$TKINCSW'
TKLIBSW='$TKLIBSW'
TKLIBDIR='$TKLIBDIR'
uname_found='$uname_found'
SHLIB_CCFLAGS='$SHLIB_CCFLAGS'
SHLIB_LDFLAGS='$SHLIB_LDFLAGS'
SHLIB_LOADER='$SHLIB_LOADER'
SHLIB_SUFFIX='$SHLIB_SUFFIX'
LIBS='$LIBS'
DESTDIR='$DESTDIR'
BINDIR='$BINDIR'
MANDIR='$MANDIR'
srcdir='$srcdir'
prefix='$prefix'
exec_prefix='$exec_prefix'
prsub='$prsub'
extrasub='$extrasub'
EOF
cat >> config.status <<\EOF

top_srcdir=$srcdir

CONFIG_FILES=${CONFIG_FILES-"Makefile"}
for file in .. ${CONFIG_FILES}; do if test "x$file" != x..; then
  srcdir=$top_srcdir
  # Remove last slash and all that follows it.  Not all systems have dirname.
  dir=`echo $file|sed 's%/[^/][^/]*$%%'`
  if test "$dir" != "$file"; then
    test "$top_srcdir" != . && srcdir=$top_srcdir/$dir
    test ! -d $dir && mkdir $dir
  fi
  echo creating $file
  rm -f $file
  echo "# Generated automatically from `echo $file|sed 's|.*/||'`.in by configure." > $file
  sed -e "
$prsub
$extrasub
s%@CC@%$CC%g
s%@CPP@%$CPP%g
s%@CDEBUGFLAGS@%$CDEBUGFLAGS%g
s%@prefix@%$prefix%g
s%@INSTALL@%$INSTALL%g
s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
s%@INSTALL_DATA@%$INSTALL_DATA%g
s%@XINCSW@%$XINCSW%g
s%@XLIBSW@%$XLIBSW%g
s%@XLIBDIR@%$XLIBDIR%g
s%@TCLINCSW@%$TCLINCSW%g
s%@TCLLIBSW@%$TCLLIBSW%g
s%@TCLLIBDIR@%$TCLLIBDIR%g
s%@TKINCSW@%$TKINCSW%g
s%@TKLIBSW@%$TKLIBSW%g
s%@TKLIBDIR@%$TKLIBDIR%g
s%@uname_found@%$uname_found%g
s%@SHLIB_CCFLAGS@%$SHLIB_CCFLAGS%g
s%@SHLIB_LDFLAGS@%$SHLIB_LDFLAGS%g
s%@SHLIB_LOADER@%$SHLIB_LOADER%g
s%@SHLIB_SUFFIX@%$SHLIB_SUFFIX%g
s%@LIBS@%$LIBS%g
s%@DESTDIR@%$DESTDIR%g
s%@BINDIR@%$BINDIR%g
s%@MANDIR@%$MANDIR%g
s%@srcdir@%$srcdir%g
s%@DEFS@%-DHAVE_CONFIG_H%" $top_srcdir/${file}.in >> $file
fi; done

CONFIG_HEADERS=${CONFIG_HEADERS-"extConfig.h"}
for file in .. ${CONFIG_HEADERS}; do if test "x$file" != x..; then
echo creating $file

# These sed commands are put into SEDDEFS when defining a macro.
# They are broken into pieces to make the sed script easier to manage.
# They are passed to sed as "A NAME B NAME C VALUE D", where NAME
# is the cpp macro being defined and VALUE is the value it is being given.
# Each defining turns into a single global substitution command.
#
# SEDd sets the value in "#define NAME VALUE" lines.
SEDdA='s@^\([ 	]*\)#\([ 	]*define[ 	][ 	]*\)'
SEDdB='\([ 	][ 	]*\)[^ 	]*@\1#\2'
SEDdC='\3'
SEDdD='@g'
# SEDu turns "#undef NAME" with trailing blanks into "#define NAME VALUE".
SEDuA='s@^\([ 	]*\)#\([ 	]*\)undef\([ 	][ 	]*\)'
SEDuB='\([ 	]\)@\1#\2define\3'
SEDuC=' '
SEDuD='\4@g'
# SEDe turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
SEDeA='s@^\([ 	]*\)#\([ 	]*\)undef\([ 	][ 	]*\)'
SEDeB='$@\1#\2define\3'
SEDeC=' '
SEDeD='@g'
rm -f conftest.sed
EOF
# Turn off quoting long enough to insert the sed commands.
rm -f conftest.sh
cat > conftest.sh <<EOF
$SEDDEFS
EOF

# Break up $SEDDEFS (now in conftest.sh) because some shells have a limit
# on the size of here documents.

# Maximum number of lines to put in a single here document.
maxshlines=9

while :
do
  # wc gives bogus results for an empty file on some systems.
  lines=`grep -c . conftest.sh`
  if test -z "$lines" || test "$lines" -eq 0; then break; fi
  rm -f conftest.s1 conftest.s2
  sed ${maxshlines}q conftest.sh > conftest.s1 # Like head -20.
  sed 1,${maxshlines}d conftest.sh > conftest.s2 # Like tail +21.
  # Write a limited-size here document to append to conftest.sed.
  echo 'cat >> conftest.sed <<CONFEOF' >> config.status
  cat conftest.s1 >> config.status
  echo 'CONFEOF' >> config.status
  rm -f conftest.s1 conftest.sh
  mv conftest.s2 conftest.sh
done
rm -f conftest.sh

# Now back to your regularly scheduled config.status.
cat >> config.status <<\EOF
# This sed command replaces #undef's with comments.  This is necessary, for
# example, in the case of _POSIX_SOURCE, which is predefined and required
# on some systems where configure will not decide to define it in
# extConfig.h.
cat >> conftest.sed <<\CONFEOF
s,^[ 	]*#[ 	]*undef[ 	][ 	]*[a-zA-Z_][a-zA-Z_0-9]*,/* & */,
CONFEOF
rm -f conftest.h
# Break up the sed commands because old seds have small limits.
maxsedlines=20
cp $top_srcdir/$file.in conftest.h1
while :
do
  lines=`grep -c . conftest.sed`
  if test -z "$lines" || test "$lines" -eq 0; then break; fi
  rm -f conftest.s1 conftest.s2 conftest.h2
  sed ${maxsedlines}q conftest.sed > conftest.s1 # Like head -20.
  sed 1,${maxsedlines}d conftest.sed > conftest.s2 # Like tail +21.
  sed -f conftest.s1 < conftest.h1 > conftest.h2
  rm -f conftest.s1 conftest.h1 conftest.sed
  mv conftest.h2 conftest.h1
  mv conftest.s2 conftest.sed
done
rm -f conftest.sed conftest.h
echo "/* $file.  Generated automatically by configure.  */" > conftest.h
cat conftest.h1 >> conftest.h
rm -f conftest.h1
if cmp -s $file conftest.h 2>/dev/null; then
  # The file exists and we would not be changing it.
  echo "$file is unchanged"
  rm -f conftest.h
else
  rm -f $file
  mv conftest.h $file
fi
fi; done



exit 0
EOF
chmod +x config.status
${CONFIG_SHELL-/bin/sh} config.status


#--------------------------------------------------------------------
#       Print out some of the more important settings
#--------------------------------------------------------------------
echo "
Configuration results (edit config.status to change):

directory containing \"tcl.h\"      => $TCLINCDIR
directory containing \"tk.h\"       => $TKINCDIR
directory containing \"X11/Xlib.h\" => $XINCDIR
directory containing \"libtcl.a\"   => $TCLLIBDIR
directory containing \"libtk.a\"    => $TKLIBDIR
directory containing \"libX11.a\"   => $XLIBDIR
directory to install \"wish\"       => $BINDIR
"
