ac_n=-n ac_c= ac_t=
  fi
else
  ac_n= ac_c='\c' ac_t=
fi


# RCS: @(#) $Id: configure.in,v 1.64 2001/04/02 01:59:26 hobbs Exp $
# RCS: @(#) $Id: configure.in,v 1.57.2.2 2001/04/03 22:54:39 hobbs Exp $

TCL_VERSION=8.3
TCL_MAJOR_VERSION=8
TCL_MINOR_VERSION=3
TCL_PATCH_LEVEL=".3"
VERSION=${TCL_VERSION}

  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tk_ok=none
fi
rm -fr conftest*
fi


    if test $tk_ok = sgtty; then
	cat >> confdefs.h <<\EOF
#define USE_SGTTY 1
EOF

    else
	if test "$cross_compiling" = yes; then
  tk_ok=no
else
  cat > conftest.$ac_ext <<EOF
#line 2322 "configure"
#include "confdefs.h"

#include <termios.h>
#include <errno.h>

main()
{
    struct termios t;
    if (tcgetattr(0, &t) == 0
	|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
	cfsetospeed(&t, 0);
	t.c_cflag |= PARENB | PARODD | CSIZE | CSTOPB;
	return 0;
    }
    return 1;
}
EOF
if { (eval echo configure:2340: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  tk_ok=termios
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tk_ok=no
fi
rm -fr conftest*
fi


    if test $tk_ok = termios; then
	cat >> confdefs.h <<\EOF
#define USE_TERMIOS 1
EOF

    else
	if test "$cross_compiling" = yes; then
  tk_ok=no
else
  cat > conftest.$ac_ext <<EOF
#line 2363 "configure"
#include "confdefs.h"

#include <termio.h>
#include <errno.h>

main()
{
    struct termio t;
    if (ioctl(0, TCGETA, &t) == 0
	|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
	t.c_cflag |= CBAUD | PARENB | PARODD | CSIZE | CSTOPB;
	return 0;
    }
    return 1;
    }
EOF
if { (eval echo configure:2380: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  tk_ok=termio
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tk_ok=no
fi
rm -fr conftest*
fi


    if test $tk_ok = termio; then
	cat >> confdefs.h <<\EOF
#define USE_TERMIO 1
EOF

    else
	if test "$cross_compiling" = yes; then
  tk_ok=none
else
  cat > conftest.$ac_ext <<EOF
#line 2403 "configure"
#include "confdefs.h"

#include <sgtty.h>
#include <errno.h>

main()
{
    struct sgttyb t;
    if (ioctl(0, TIOCGETP, &t) == 0
	|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
	t.sg_ospeed = 0;
	t.sg_flags |= ODDP | EVENP | RAW;
	return 0;
    }
    return 1;
}
EOF
if { (eval echo configure:2421: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  tk_ok=sgtty
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tk_ok=none
fi
rm -fr conftest*
fi


    if test $tk_ok = sgtty; then
	cat >> confdefs.h <<\EOF
#define USE_SGTTY 1
EOF

    fi
    fi
    fi
    fi
    fi
    fi
    echo "$ac_t""$tk_ok" 1>&6


#--------------------------------------------------------------------
#	Include sys/select.h if it exists and if it supplies things
#	that appear to be useful and aren't already in sys/types.h.
#	This appears to be true only on the RS/6000 under AIX.  Some
#	systems like OSF/1 have a sys/select.h that's of no use, and
#	other systems like SCO UNIX have a sys/select.h that's
#	pernicious.  If "fd_set" isn't defined anywhere then set a
#	special flag.
#--------------------------------------------------------------------

echo $ac_n "checking fd_set and sys/select""... $ac_c" 1>&6
echo "configure:2333: checking fd_set and sys/select" >&5
echo "configure:2459: checking fd_set and sys/select" >&5
cat > conftest.$ac_ext <<EOF
#line 2335 "configure"
#line 2461 "configure"
#include "confdefs.h"
#include <sys/types.h>
int main() {
fd_set readMask, writeMask;
; return 0; }
EOF
if { (eval echo configure:2342: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:2468: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tk_ok=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tk_ok=no
fi
rm -f conftest*
if test $tk_ok = no; then
    cat > conftest.$ac_ext <<EOF
#line 2354 "configure"
#line 2480 "configure"
#include "confdefs.h"
#include <sys/select.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "fd_mask" >/dev/null 2>&1; then
  rm -rf conftest*
  tk_ok=yes

fi

#------------------------------------------------------------------------------
#       Find out all about time handling differences.
#------------------------------------------------------------------------------

echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
echo "configure:2385: checking whether struct tm is in sys/time.h or time.h" >&5
echo "configure:2511: checking whether struct tm is in sys/time.h or time.h" >&5
if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2390 "configure"
#line 2516 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <time.h>
int main() {
struct tm *tp; tp->tm_sec;
; return 0; }
EOF
if { (eval echo configure:2398: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:2524: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_struct_tm=time.h
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_struct_tm=sys/time.h

fi


    for ac_hdr in sys/time.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:2423: checking for $ac_hdr" >&5
echo "configure:2549: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2428 "configure"
#line 2554 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2433: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:2559: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5

 
else
  echo "$ac_t""no" 1>&6
fi
done

    echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
echo "configure:2460: checking whether time.h and sys/time.h may both be included" >&5
echo "configure:2586: checking whether time.h and sys/time.h may both be included" >&5
if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2465 "configure"
#line 2591 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/time.h>
#include <time.h>
int main() {
struct tm *tp;
; return 0; }
EOF
if { (eval echo configure:2474: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:2600: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_header_time=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_header_time=no
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_header_time" 1>&6
if test $ac_cv_header_time = yes; then
  cat >> confdefs.h <<\EOF
#define TIME_WITH_SYS_TIME 1
EOF

fi

    echo $ac_n "checking for tm_zone in struct tm""... $ac_c" 1>&6
echo "configure:2495: checking for tm_zone in struct tm" >&5
echo "configure:2621: checking for tm_zone in struct tm" >&5
if eval "test \"`echo '$''{'ac_cv_struct_tm_zone'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2500 "configure"
#line 2626 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <$ac_cv_struct_tm>
int main() {
struct tm tm; tm.tm_zone;
; return 0; }
EOF
if { (eval echo configure:2508: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:2634: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_struct_tm_zone=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_struct_tm_zone=no
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_struct_tm_zone" 1>&6
if test "$ac_cv_struct_tm_zone" = yes; then
  cat >> confdefs.h <<\EOF
#define HAVE_TM_ZONE 1
EOF

else
  echo $ac_n "checking for tzname""... $ac_c" 1>&6
echo "configure:2528: checking for tzname" >&5
echo "configure:2654: checking for tzname" >&5
if eval "test \"`echo '$''{'ac_cv_var_tzname'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2533 "configure"
#line 2659 "configure"
#include "confdefs.h"
#include <time.h>
#ifndef tzname /* For SGI.  */
extern char *tzname[]; /* RS6000 and others reject char **tzname.  */
#endif
int main() {
atoi(*tzname);
; return 0; }
EOF
if { (eval echo configure:2543: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:2669: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  ac_cv_var_tzname=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_var_tzname=no

EOF

  fi
fi


    echo $ac_n "checking tm_tzadj in struct tm""... $ac_c" 1>&6
echo "configure:2566: checking tm_tzadj in struct tm" >&5
echo "configure:2692: checking tm_tzadj in struct tm" >&5
    cat > conftest.$ac_ext <<EOF
#line 2568 "configure"
#line 2694 "configure"
#include "confdefs.h"
#include <time.h>
int main() {
struct tm tm; tm.tm_tzadj;
; return 0; }
EOF
if { (eval echo configure:2575: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:2701: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define HAVE_TM_TZADJ 1
EOF

	    echo "$ac_t""yes" 1>&6
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  echo "$ac_t""no" 1>&6
fi
rm -f conftest*

    echo $ac_n "checking tm_gmtoff in struct tm""... $ac_c" 1>&6
echo "configure:2591: checking tm_gmtoff in struct tm" >&5
echo "configure:2717: checking tm_gmtoff in struct tm" >&5
    cat > conftest.$ac_ext <<EOF
#line 2593 "configure"
#line 2719 "configure"
#include "confdefs.h"
#include <time.h>
int main() {
struct tm tm; tm.tm_gmtoff;
; return 0; }
EOF
if { (eval echo configure:2600: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:2726: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define HAVE_TM_GMTOFF 1
EOF

	    echo "$ac_t""yes" 1>&6
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  echo "$ac_t""no" 1>&6
fi
rm -f conftest*

    #
    # Its important to include time.h in this check, as some systems
    # (like convex) have timezone functions, etc.
    #
    have_timezone=no
    echo $ac_n "checking long timezone variable""... $ac_c" 1>&6
echo "configure:2621: checking long timezone variable" >&5
echo "configure:2747: checking long timezone variable" >&5
    cat > conftest.$ac_ext <<EOF
#line 2623 "configure"
#line 2749 "configure"
#include "confdefs.h"
#include <time.h>
int main() {
extern long timezone;
	    timezone += 1;
	    exit (0);
; return 0; }
EOF
if { (eval echo configure:2632: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:2758: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  have_timezone=yes
	    cat >> confdefs.h <<\EOF
#define HAVE_TIMEZONE_VAR 1
EOF

	    echo "$ac_t""yes" 1>&6
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  echo "$ac_t""no" 1>&6
fi
rm -f conftest*

    #
    # On some systems (eg IRIX 6.2), timezone is a time_t and not a long.
    #
    if test "$have_timezone" = no; then
    echo $ac_n "checking time_t timezone variable""... $ac_c" 1>&6
echo "configure:2653: checking time_t timezone variable" >&5
echo "configure:2779: checking time_t timezone variable" >&5
    cat > conftest.$ac_ext <<EOF
#line 2655 "configure"
#line 2781 "configure"
#include "confdefs.h"
#include <time.h>
int main() {
extern time_t timezone;
	    timezone += 1;
	    exit (0);
; return 0; }
EOF
if { (eval echo configure:2664: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:2790: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define HAVE_TIMEZONE_VAR 1
EOF

	    echo "$ac_t""yes" 1>&6
else

#--------------------------------------------------------------------
#	Some systems (e.g., IRIX 4.0.5) lack the st_blksize field
#	in struct stat.  But we might be able to use fstatfs instead.
#--------------------------------------------------------------------
echo $ac_n "checking for st_blksize in struct stat""... $ac_c" 1>&6
echo "configure:2687: checking for st_blksize in struct stat" >&5
echo "configure:2813: checking for st_blksize in struct stat" >&5
if eval "test \"`echo '$''{'ac_cv_struct_st_blksize'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2692 "configure"
#line 2818 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/stat.h>
int main() {
struct stat s; s.st_blksize;
; return 0; }
EOF
if { (eval echo configure:2700: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:2826: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_struct_st_blksize=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_struct_st_blksize=no
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_struct_st_blksize" 1>&6
if test $ac_cv_struct_st_blksize = yes; then
  cat >> confdefs.h <<\EOF
#define HAVE_ST_BLKSIZE 1
EOF

fi

echo $ac_n "checking for fstatfs""... $ac_c" 1>&6
echo "configure:2721: checking for fstatfs" >&5
echo "configure:2847: checking for fstatfs" >&5
if eval "test \"`echo '$''{'ac_cv_func_fstatfs'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2726 "configure"
#line 2852 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char fstatfs(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
fstatfs();
#endif

; return 0; }
EOF
if { (eval echo configure:2749: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:2875: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_fstatfs=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_fstatfs=no"

#--------------------------------------------------------------------
#       Some system have no memcmp or it does not work with 8 bit
#       data, this checks it and add memcmp.o to LIBOBJS if needed
#--------------------------------------------------------------------
echo $ac_n "checking for 8-bit clean memcmp""... $ac_c" 1>&6
echo "configure:2778: checking for 8-bit clean memcmp" >&5
echo "configure:2904: checking for 8-bit clean memcmp" >&5
if eval "test \"`echo '$''{'ac_cv_func_memcmp_clean'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$cross_compiling" = yes; then
  ac_cv_func_memcmp_clean=no
else
  cat > conftest.$ac_ext <<EOF
#line 2786 "configure"
#line 2912 "configure"
#include "confdefs.h"

main()
{
  char c0 = 0x40, c1 = 0x80, c2 = 0x81;
  exit(memcmp(&c0, &c2, 1) < 0 && memcmp(&c1, &c2, 1) < 0 ? 0 : 1);
}

EOF
if { (eval echo configure:2796: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
if { (eval echo configure:2922: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  ac_cv_func_memcmp_clean=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_func_memcmp_clean=no

#--------------------------------------------------------------------
#       Some system like SunOS 4 and other BSD like systems
#       have no memmove (we assume they have bcopy instead).
#       {The replacement define is in compat/string.h}
#--------------------------------------------------------------------
echo $ac_n "checking for memmove""... $ac_c" 1>&6
echo "configure:2820: checking for memmove" >&5
echo "configure:2946: checking for memmove" >&5
if eval "test \"`echo '$''{'ac_cv_func_memmove'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2825 "configure"
#line 2951 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char memmove(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
memmove();
#endif

; return 0; }
EOF
if { (eval echo configure:2848: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:2974: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_memmove=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_memmove=no"

#--------------------------------------------------------------------
#	On some systems strstr is broken: it returns a pointer even
#	even if the original string is empty.
#--------------------------------------------------------------------

echo $ac_n "checking proper strstr implementation""... $ac_c" 1>&6
echo "configure:2881: checking proper strstr implementation" >&5
echo "configure:3007: checking proper strstr implementation" >&5
if test "$cross_compiling" = yes; then
  tcl_ok=no
else
  cat > conftest.$ac_ext <<EOF
#line 2886 "configure"
#line 3012 "configure"
#include "confdefs.h"

extern int strstr();
int main()
{
    exit(strstr("\0test", "test") ? 1 : 0);
}

EOF
if { (eval echo configure:2896: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
if { (eval echo configure:3022: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  tcl_ok=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tcl_ok=no

#--------------------------------------------------------------------
#	Check for strtoul function.  This is tricky because under some
#	versions of AIX strtoul returns an incorrect terminator
#	pointer for the string "0".
#--------------------------------------------------------------------

echo $ac_n "checking for strtoul""... $ac_c" 1>&6
echo "configure:2922: checking for strtoul" >&5
echo "configure:3048: checking for strtoul" >&5
if eval "test \"`echo '$''{'ac_cv_func_strtoul'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2927 "configure"
#line 3053 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char strtoul(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
strtoul();
#endif

; return 0; }
EOF
if { (eval echo configure:2950: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:3076: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_strtoul=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_strtoul=no"

tcl_ok=0
fi

if test "$cross_compiling" = yes; then
  tcl_ok=0
else
  cat > conftest.$ac_ext <<EOF
#line 2974 "configure"
#line 3100 "configure"
#include "confdefs.h"

extern int strtoul();
int main()
{
    char *string = "0";
    char *term;
    int value;
    value = strtoul(string, &term, 0);
    if ((value != 0) || (term != (string+1))) {
        exit(1);
    }
    exit(0);
}
EOF
if { (eval echo configure:2990: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
if { (eval echo configure:3116: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  :
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tcl_ok=0

#--------------------------------------------------------------------
#	Check for the strtod function.  This is tricky because in some
#	versions of Linux strtod mis-parses strings starting with "+".
#--------------------------------------------------------------------

echo $ac_n "checking for strtod""... $ac_c" 1>&6
echo "configure:3013: checking for strtod" >&5
echo "configure:3139: checking for strtod" >&5
if eval "test \"`echo '$''{'ac_cv_func_strtod'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3018 "configure"
#line 3144 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char strtod(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
strtod();
#endif

; return 0; }
EOF
if { (eval echo configure:3041: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:3167: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_strtod=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_strtod=no"

tcl_ok=0
fi

if test "$cross_compiling" = yes; then
  tcl_ok=0
else
  cat > conftest.$ac_ext <<EOF
#line 3065 "configure"
#line 3191 "configure"
#include "confdefs.h"

extern double strtod();
int main()
{
    char *string = " +69";
    char *term;
    double value;
    value = strtod(string, &term);
    if ((value != 69) || (term != (string+4))) {
	exit(1);
    }
    exit(0);
}
EOF
if { (eval echo configure:3081: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
if { (eval echo configure:3207: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  :
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tcl_ok=0

#	terminating character under some conditions.  Check for this
#	and if the problem exists use a substitute procedure
#	"fixstrtod" that corrects the error.
#--------------------------------------------------------------------


    echo $ac_n "checking for strtod""... $ac_c" 1>&6
echo "configure:3107: checking for strtod" >&5
echo "configure:3233: checking for strtod" >&5
if eval "test \"`echo '$''{'ac_cv_func_strtod'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3112 "configure"
#line 3238 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char strtod(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
strtod();
#endif

; return 0; }
EOF
if { (eval echo configure:3135: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:3261: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_strtod=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_strtod=no"

else
  echo "$ac_t""no" 1>&6
tcl_strtod=0
fi

    if test "$tcl_strtod" = 1; then
	echo $ac_n "checking for Solaris2.4/Tru64 strtod bugs""... $ac_c" 1>&6
echo "configure:3157: checking for Solaris2.4/Tru64 strtod bugs" >&5
echo "configure:3283: checking for Solaris2.4/Tru64 strtod bugs" >&5
	if test "$cross_compiling" = yes; then
  tcl_ok=0
else
  cat > conftest.$ac_ext <<EOF
#line 3162 "configure"
#line 3288 "configure"
#include "confdefs.h"

	    extern double strtod();
	    int main()
	    {
		char *string = "NaN", *spaceString = " ";
		char *term;
		double value;
		value = strtod(string, &term);
		if ((term != string) && (term[-1] == 0)) {
		    exit(1);
		}
		value = strtod(spaceString, &term);
		if (term == (spaceString+1)) {
		    exit(1);
		}
		exit(0);
	    }
EOF
if { (eval echo configure:3182: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
if { (eval echo configure:3308: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  tcl_ok=1
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tcl_ok=0

#--------------------------------------------------------------------
#	Check for various typedefs and provide substitutes if
#	they don't exist.
#--------------------------------------------------------------------

echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
echo "configure:3213: checking for ANSI C header files" >&5
echo "configure:3339: checking for ANSI C header files" >&5
if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3218 "configure"
#line 3344 "configure"
#include "confdefs.h"
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <float.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:3226: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:3352: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  ac_cv_header_stdc=yes
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_header_stdc=no
fi
rm -f conftest*

if test $ac_cv_header_stdc = yes; then
  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
#line 3243 "configure"
#line 3369 "configure"
#include "confdefs.h"
#include <string.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "memchr" >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  ac_cv_header_stdc=no
fi
rm -f conftest*

fi

if test $ac_cv_header_stdc = yes; then
  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
#line 3261 "configure"
#line 3387 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "free" >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  ac_cv_header_stdc=no
fi
rm -f conftest*

fi

if test $ac_cv_header_stdc = yes; then
  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
if test "$cross_compiling" = yes; then
  :
else
  cat > conftest.$ac_ext <<EOF
#line 3282 "configure"
#line 3408 "configure"
#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
if { (eval echo configure:3293: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
if { (eval echo configure:3419: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  :
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_header_stdc=no

  cat >> confdefs.h <<\EOF
#define STDC_HEADERS 1
EOF

fi

echo $ac_n "checking for mode_t""... $ac_c" 1>&6
echo "configure:3317: checking for mode_t" >&5
echo "configure:3443: checking for mode_t" >&5
if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3322 "configure"
#line 3448 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
EOF

  cat >> confdefs.h <<\EOF
#define mode_t int
EOF

fi

echo $ac_n "checking for pid_t""... $ac_c" 1>&6
echo "configure:3350: checking for pid_t" >&5
echo "configure:3476: checking for pid_t" >&5
if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3355 "configure"
#line 3481 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
EOF

  cat >> confdefs.h <<\EOF
#define pid_t int
EOF

fi

echo $ac_n "checking for size_t""... $ac_c" 1>&6
echo "configure:3383: checking for size_t" >&5
echo "configure:3509: checking for size_t" >&5
if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3388 "configure"
#line 3514 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
EOF

  cat >> confdefs.h <<\EOF
#define size_t unsigned
EOF

fi

echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
echo "configure:3416: checking for uid_t in sys/types.h" >&5
echo "configure:3542: checking for uid_t in sys/types.h" >&5
if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3421 "configure"
#line 3547 "configure"
#include "confdefs.h"
#include <sys/types.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "uid_t" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_type_uid_t=yes

#	If a system doesn't have an opendir function (man, that's old!)
#	then we have to supply a different version of dirent.h which
#	is compatible with the substitute version of opendir that's
#	provided.  This version only works with V7-style directories.
#--------------------------------------------------------------------

echo $ac_n "checking for opendir""... $ac_c" 1>&6
echo "configure:3458: checking for opendir" >&5
echo "configure:3584: checking for opendir" >&5
if eval "test \"`echo '$''{'ac_cv_func_opendir'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3463 "configure"
#line 3589 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char opendir(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
opendir();
#endif

; return 0; }
EOF
if { (eval echo configure:3486: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:3612: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_opendir=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_opendir=no"

#	"union wait" correctly.  It's needed because of weirdness in
#	HP-UX where "union wait" is defined in both the BSD and SYS-V
#	environments.  Checking the usability of WIFEXITED seems to do
#	the trick.
#--------------------------------------------------------------------

echo $ac_n "checking union wait""... $ac_c" 1>&6
echo "configure:3519: checking union wait" >&5
echo "configure:3645: checking union wait" >&5
cat > conftest.$ac_ext <<EOF
#line 3521 "configure"
#line 3647 "configure"
#include "confdefs.h"
#include <sys/types.h> 
#include <sys/wait.h>
int main() {

union wait x;
WIFEXITED(x);		/* Generates compiler error if WIFEXITED
			 * uses an int. */

; return 0; }
EOF
if { (eval echo configure:3533: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:3659: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  tcl_ok=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_ok=no

#--------------------------------------------------------------------
#	Check to see whether the system supports the matherr function
#	and its associated type "struct exception".
#--------------------------------------------------------------------

echo $ac_n "checking matherr support""... $ac_c" 1>&6
echo "configure:3557: checking matherr support" >&5
echo "configure:3683: checking matherr support" >&5
cat > conftest.$ac_ext <<EOF
#line 3559 "configure"
#line 3685 "configure"
#include "confdefs.h"
#include <math.h>
int main() {

struct exception x;
x.type = DOMAIN;
x.type = SING;

; return 0; }
EOF
if { (eval echo configure:3570: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:3696: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_ok=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_ok=no

#--------------------------------------------------------------------
#	Check whether there is an strncasecmp function on this system.
#	This is a bit tricky because under SCO it's in -lsocket and
#	under Sequent Dynix it's in -linet.
#--------------------------------------------------------------------

echo $ac_n "checking for strncasecmp""... $ac_c" 1>&6
echo "configure:3595: checking for strncasecmp" >&5
echo "configure:3721: checking for strncasecmp" >&5
if eval "test \"`echo '$''{'ac_cv_func_strncasecmp'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3600 "configure"
#line 3726 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char strncasecmp(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
strncasecmp();
#endif

; return 0; }
EOF
if { (eval echo configure:3623: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:3749: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_strncasecmp=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_strncasecmp=no"

else
  echo "$ac_t""no" 1>&6
tcl_ok=0
fi

if test "$tcl_ok" = 0; then
    echo $ac_n "checking for strncasecmp in -lsocket""... $ac_c" 1>&6
echo "configure:3645: checking for strncasecmp in -lsocket" >&5
echo "configure:3771: checking for strncasecmp in -lsocket" >&5
ac_lib_var=`echo socket'_'strncasecmp | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lsocket  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 3653 "configure"
#line 3779 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char strncasecmp();

int main() {
strncasecmp()
; return 0; }
EOF
if { (eval echo configure:3664: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:3790: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"

  echo "$ac_t""no" 1>&6
tcl_ok=0
fi

fi
if test "$tcl_ok" = 0; then
    echo $ac_n "checking for strncasecmp in -linet""... $ac_c" 1>&6
echo "configure:3688: checking for strncasecmp in -linet" >&5
echo "configure:3814: checking for strncasecmp in -linet" >&5
ac_lib_var=`echo inet'_'strncasecmp | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-linet  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 3696 "configure"
#line 3822 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char strncasecmp();

int main() {
strncasecmp()
; return 0; }
EOF
if { (eval echo configure:3707: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:3833: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"

#	   but they have a BSDgettimeofday function that can be used instead.
#	3. See if gettimeofday is declared in the <sys/time.h> header file.
#	   if not, set the GETTOD_NOT_DECLARED flag so that tclPort.h can
#	   declare it.
#--------------------------------------------------------------------

echo $ac_n "checking for BSDgettimeofday""... $ac_c" 1>&6
echo "configure:3745: checking for BSDgettimeofday" >&5
echo "configure:3871: checking for BSDgettimeofday" >&5
if eval "test \"`echo '$''{'ac_cv_func_BSDgettimeofday'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3750 "configure"
#line 3876 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char BSDgettimeofday(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
BSDgettimeofday();
#endif

; return 0; }
EOF
if { (eval echo configure:3773: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:3899: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_BSDgettimeofday=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_BSDgettimeofday=no"

#define HAVE_BSDGETTIMEOFDAY 1
EOF

else
  echo "$ac_t""no" 1>&6

    echo $ac_n "checking for gettimeofday""... $ac_c" 1>&6
echo "configure:3795: checking for gettimeofday" >&5
echo "configure:3921: checking for gettimeofday" >&5
if eval "test \"`echo '$''{'ac_cv_func_gettimeofday'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3800 "configure"
#line 3926 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char gettimeofday(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
gettimeofday();
#endif

; return 0; }
EOF
if { (eval echo configure:3823: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:3949: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_gettimeofday=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_gettimeofday=no"

fi


fi

echo $ac_n "checking for gettimeofday declaration""... $ac_c" 1>&6
echo "configure:3850: checking for gettimeofday declaration" >&5
echo "configure:3976: checking for gettimeofday declaration" >&5
cat > conftest.$ac_ext <<EOF
#line 3852 "configure"
#line 3978 "configure"
#include "confdefs.h"
#include <sys/time.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "gettimeofday" >/dev/null 2>&1; then
  rm -rf conftest*
  echo "$ac_t""present" 1>&6

#--------------------------------------------------------------------
#	The following code checks to see whether it is possible to get
#	signed chars on this platform.  This is needed in order to
#	properly generate sign-extended ints from character values.
#--------------------------------------------------------------------

echo $ac_n "checking whether char is unsigned""... $ac_c" 1>&6
echo "configure:3880: checking whether char is unsigned" >&5
echo "configure:4006: checking whether char is unsigned" >&5
if eval "test \"`echo '$''{'ac_cv_c_char_unsigned'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$GCC" = yes; then
  # GCC predefines this symbol on systems where it applies.
cat > conftest.$ac_ext <<EOF
#line 3887 "configure"
#line 4013 "configure"
#include "confdefs.h"
#ifdef __CHAR_UNSIGNED__
  yes
#endif

EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |

rm -f conftest*

else
if test "$cross_compiling" = yes; then
    { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
else
  cat > conftest.$ac_ext <<EOF
#line 3909 "configure"
#line 4035 "configure"
#include "confdefs.h"
/* volatile prevents gcc2 from optimizing the test away on sparcs.  */
#if !defined(__STDC__) || __STDC__ != 1
#define volatile
#endif
main() {
  volatile char c = 255; exit(c < 0);
}
EOF
if { (eval echo configure:3919: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
if { (eval echo configure:4045: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  ac_cv_c_char_unsigned=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_c_char_unsigned=no

  cat >> confdefs.h <<\EOF
#define __CHAR_UNSIGNED__ 1
EOF

fi

echo $ac_n "checking signed char declarations""... $ac_c" 1>&6
echo "configure:3943: checking signed char declarations" >&5
echo "configure:4069: checking signed char declarations" >&5
cat > conftest.$ac_ext <<EOF
#line 3945 "configure"
#line 4071 "configure"
#include "confdefs.h"

int main() {

signed char *p;
p = 0;

; return 0; }
EOF
if { (eval echo configure:3955: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:4081: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_ok=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_ok=no

    # On a few very rare systems, all of the libm.a stuff is
    # already in libc.a.  Set compiler flags accordingly.
    # Also, Linux requires the "ieee" library for math to work
    # right (and it must appear before "-lm").
    #--------------------------------------------------------------------

    echo $ac_n "checking for sin""... $ac_c" 1>&6
echo "configure:3986: checking for sin" >&5
echo "configure:4112: checking for sin" >&5
if eval "test \"`echo '$''{'ac_cv_func_sin'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 3991 "configure"
#line 4117 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char sin(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
sin();
#endif

; return 0; }
EOF
if { (eval echo configure:4014: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:4140: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_sin=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_sin=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'sin`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  MATH_LIBS=""
else
  echo "$ac_t""no" 1>&6
MATH_LIBS="-lm"
fi

    echo $ac_n "checking for main in -lieee""... $ac_c" 1>&6
echo "configure:4035: checking for main in -lieee" >&5
echo "configure:4161: checking for main in -lieee" >&5
ac_lib_var=`echo ieee'_'main | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lieee  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 4043 "configure"
#line 4169 "configure"
#include "confdefs.h"

int main() {
main()
; return 0; }
EOF
if { (eval echo configure:4050: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:4176: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"

    #--------------------------------------------------------------------
    # Interactive UNIX requires -linet instead of -lsocket, plus it
    # needs net/errno.h to define the socket-related error codes.
    #--------------------------------------------------------------------

    echo $ac_n "checking for main in -linet""... $ac_c" 1>&6
echo "configure:4077: checking for main in -linet" >&5
echo "configure:4203: checking for main in -linet" >&5
ac_lib_var=`echo inet'_'main | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-linet  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 4085 "configure"
#line 4211 "configure"
#include "confdefs.h"

int main() {
main()
; return 0; }
EOF
if { (eval echo configure:4092: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:4218: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"

  LIBS="$LIBS -linet"
else
  echo "$ac_t""no" 1>&6
fi

    ac_safe=`echo "net/errno.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for net/errno.h""... $ac_c" 1>&6
echo "configure:4114: checking for net/errno.h" >&5
echo "configure:4240: checking for net/errno.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 4119 "configure"
#line 4245 "configure"
#include "confdefs.h"
#include <net/errno.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:4124: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:4250: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5

    #	4. On some SVR4 systems, can't use -lsocket without -lnsl too.
    #	   To get around this problem, check for both libraries together
    #	   if -lsocket doesn't work by itself.
    #--------------------------------------------------------------------

    tcl_checkBoth=0
    echo $ac_n "checking for connect""... $ac_c" 1>&6
echo "configure:4169: checking for connect" >&5
echo "configure:4295: checking for connect" >&5
if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 4174 "configure"
#line 4300 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char connect(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
connect();
#endif

; return 0; }
EOF
if { (eval echo configure:4197: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:4323: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_connect=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_connect=no"

else
  echo "$ac_t""no" 1>&6
tcl_checkSocket=1
fi

    if test "$tcl_checkSocket" = 1; then
	echo $ac_n "checking for setsockopt""... $ac_c" 1>&6
echo "configure:4219: checking for setsockopt" >&5
echo "configure:4345: checking for setsockopt" >&5
if eval "test \"`echo '$''{'ac_cv_func_setsockopt'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 4224 "configure"
#line 4350 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char setsockopt(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
setsockopt();
#endif

; return 0; }
EOF
if { (eval echo configure:4247: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:4373: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_setsockopt=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_setsockopt=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'setsockopt`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
echo $ac_n "checking for setsockopt in -lsocket""... $ac_c" 1>&6
echo "configure:4265: checking for setsockopt in -lsocket" >&5
echo "configure:4391: checking for setsockopt in -lsocket" >&5
ac_lib_var=`echo socket'_'setsockopt | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lsocket  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 4273 "configure"
#line 4399 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char setsockopt();

int main() {
setsockopt()
; return 0; }
EOF
if { (eval echo configure:4284: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:4410: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"

fi

    fi
    if test "$tcl_checkBoth" = 1; then
	tk_oldLibs=$LIBS
	LIBS="$LIBS -lsocket -lnsl"
	echo $ac_n "checking for accept""... $ac_c" 1>&6
echo "configure:4312: checking for accept" >&5
echo "configure:4438: checking for accept" >&5
if eval "test \"`echo '$''{'ac_cv_func_accept'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 4317 "configure"
#line 4443 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char accept(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
accept();
#endif

; return 0; }
EOF
if { (eval echo configure:4340: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:4466: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_accept=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_accept=no"

else
  echo "$ac_t""no" 1>&6
LIBS=$tk_oldLibs
fi

    fi
    echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
echo "configure:4362: checking for gethostbyname" >&5
echo "configure:4488: checking for gethostbyname" >&5
if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 4367 "configure"
#line 4493 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char gethostbyname(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */

choke me
#else
gethostbyname();
#endif

; return 0; }
EOF
if { (eval echo configure:4390: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:4516: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_gethostbyname=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_gethostbyname=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'gethostbyname`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
echo "configure:4408: checking for gethostbyname in -lnsl" >&5
echo "configure:4534: checking for gethostbyname in -lnsl" >&5
ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lnsl  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 4416 "configure"
#line 4542 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char gethostbyname();

int main() {
gethostbyname()
; return 0; }
EOF
if { (eval echo configure:4427: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:4553: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"

#--------------------------------------------------------------------



    # Step 0.a: Enable 64 bit support?

    echo $ac_n "checking if 64bit support is requested""... $ac_c" 1>&6
echo "configure:4473: checking if 64bit support is requested" >&5
echo "configure:4599: checking if 64bit support is requested" >&5
    # Check whether --enable-64bit or --disable-64bit was given.
if test "${enable_64bit+set}" = set; then
  enableval="$enable_64bit"
  :
else
  enableval="no"
fi


    if test "$enableval" = "yes"; then
	do64bit=yes
    else
	do64bit=no
    fi
    echo "$ac_t""$do64bit" 1>&6

    # Step 0.b: Enable Solaris 64 bit VIS support?

    echo $ac_n "checking if 64bit Sparc VIS support is requested""... $ac_c" 1>&6
echo "configure:4493: checking if 64bit Sparc VIS support is requested" >&5
echo "configure:4619: checking if 64bit Sparc VIS support is requested" >&5
    # Check whether --enable-64bit-vis or --disable-64bit-vis was given.
if test "${enable_64bit_vis+set}" = set; then
  enableval="$enable_64bit_vis"
  :
else
  enableval="no"
fi

    echo "$ac_t""$do64bitVIS" 1>&6

    # Step 1: set the variable "system" to hold the name and version number
    # for the system.  This can usually be done via the "uname" command, but
    # there are a few systems, like Next, where this doesn't work.

    echo $ac_n "checking system version (for dynamic loading)""... $ac_c" 1>&6
echo "configure:4517: checking system version (for dynamic loading)" >&5
echo "configure:4643: checking system version (for dynamic loading)" >&5
    if test -f /usr/lib/NextStep/software_version; then
	system=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version`
    else
	system=`uname -s`-`uname -r`
	if test "$?" -ne 0 ; then
	    echo "$ac_t""unknown (can't find uname command)" 1>&6
	    system=unknown

		system=AIX-`uname -v`.`uname -r`
	    fi
	    echo "$ac_t""$system" 1>&6
	fi
    fi

    echo $ac_n "checking if gcc is being used""... $ac_c" 1>&6
echo "configure:4540: checking if gcc is being used" >&5
echo "configure:4666: checking if gcc is being used" >&5
    if test "$CC" = "gcc" -o `$CC -v 2>&1 | grep -c gcc` != "0" ; then
	using_gcc="yes"
    else
	using_gcc="no"
    fi

    echo "$ac_t""$using_gcc ($CC)" 1>&6

    # Step 2: check for existence of -ldl library.  This is needed because
    # Linux can use either -ldl or -ldld for dynamic loading.

    echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
echo "configure:4553: checking for dlopen in -ldl" >&5
echo "configure:4679: checking for dlopen in -ldl" >&5
ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-ldl  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 4561 "configure"
#line 4687 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char dlopen();

int main() {
dlopen()
; return 0; }
EOF
if { (eval echo configure:4572: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:4698: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"

	    # AIX does not have a timezone field in struct tm. When the AIX
	    # bsd library is used, the timezone global and the gettimeofday
	    # methods are to be avoided for timezone deduction instead, we
	    # deduce the timezone by comparing the localtime result on a
	    # known GMT value.

	    echo $ac_n "checking for gettimeofday in -lbsd""... $ac_c" 1>&6
echo "configure:4691: checking for gettimeofday in -lbsd" >&5
echo "configure:4817: checking for gettimeofday in -lbsd" >&5
ac_lib_var=`echo bsd'_'gettimeofday | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lbsd  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 4699 "configure"
#line 4825 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char gettimeofday();

int main() {
gettimeofday()
; return 0; }
EOF
if { (eval echo configure:4710: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:4836: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"

	    DL_LIBS="-ldl"
	    LDFLAGS=""
	    LD_SEARCH_FLAGS=""
	    ;;
	HP-UX-*.08.*|HP-UX-*.09.*|HP-UX-*.10.*|HP-UX-*.11.*)
	    SHLIB_SUFFIX=".sl"
	    echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
echo "configure:4772: checking for shl_load in -ldld" >&5
echo "configure:4898: checking for shl_load in -ldld" >&5
ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-ldld  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 4780 "configure"
#line 4906 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char shl_load();

int main() {
shl_load()
; return 0; }
EOF
if { (eval echo configure:4791: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:4917: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"

		DL_OBJS="tclLoadDl.o"
		DL_LIBS="-ldl"
		LDFLAGS="-rdynamic"
		LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
	    else
		ac_safe=`echo "dld.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for dld.h""... $ac_c" 1>&6
echo "configure:4898: checking for dld.h" >&5
echo "configure:5024: checking for dld.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 4903 "configure"
#line 5029 "configure"
#include "confdefs.h"
#include <dld.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:4908: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:5034: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5

	    LDFLAGS="-Wl,-Bexport"
	    LD_SEARCH_FLAGS=""
	    ;;
	NetBSD-*|FreeBSD-[1-2].*|OpenBSD-*)
	    # Not available on all versions:  check for include file.
	    ac_safe=`echo "dlfcn.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for dlfcn.h""... $ac_c" 1>&6
echo "configure:4963: checking for dlfcn.h" >&5
echo "configure:5089: checking for dlfcn.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 4968 "configure"
#line 5094 "configure"
#include "confdefs.h"
#include <dlfcn.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:4973: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:5099: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5

		SHLIB_LD_LIBS=""
		SHLIB_SUFFIX=".so"
		DL_OBJS="tclLoadDl.o"
		DL_LIBS=""
		LDFLAGS=""
		LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
		echo $ac_n "checking for ELF""... $ac_c" 1>&6
echo "configure:5000: checking for ELF" >&5
echo "configure:5126: checking for ELF" >&5
		cat > conftest.$ac_ext <<EOF
#line 5002 "configure"
#line 5128 "configure"
#include "confdefs.h"

#ifdef __ELF__
	yes
#endif
		
EOF

	    SHLIB_SUFFIX=".so"
	    DL_OBJS="tclLoadDl.o"
	    DL_LIBS="-ldl"
	    # Some UNIX_SV* systems (unixware 1.1.2 for example) have linkers
	    # that don't grok the -Bexport option.  Test that it does.
	    hold_ldflags=$LDFLAGS
	    echo $ac_n "checking for ld accepts -Bexport flag""... $ac_c" 1>&6
echo "configure:5255: checking for ld accepts -Bexport flag" >&5
echo "configure:5381: checking for ld accepts -Bexport flag" >&5
	    LDFLAGS="${LDFLAGS} -Wl,-Bexport"
	    cat > conftest.$ac_ext <<EOF
#line 5258 "configure"
#line 5384 "configure"
#include "confdefs.h"

int main() {
int i;
; return 0; }
EOF
if { (eval echo configure:5265: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
if { (eval echo configure:5391: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  found=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  found=no

    #
    # Note that the modified COFF format used on MIPS Ultrix 4.x is usable; the
    # `struct exec' includes a second header that contains information that
    # duplicates the v7 fields that are needed.

    if test "x$DL_OBJS" = "xtclLoadAout.o" ; then
	echo $ac_n "checking sys/exec.h""... $ac_c" 1>&6
echo "configure:5311: checking sys/exec.h" >&5
echo "configure:5437: checking sys/exec.h" >&5
	cat > conftest.$ac_ext <<EOF
#line 5313 "configure"
#line 5439 "configure"
#include "confdefs.h"
#include <sys/exec.h>
int main() {

	    struct exec foo;
	    unsigned long seek;
	    int flag;
#if defined(__mips) || defined(mips)
	    seek = N_TXTOFF (foo.ex_f, foo.ex_o);
#else
	    seek = N_TXTOFF (foo);
#endif
	    flag = (foo.a_magic == OMAGIC);
	    return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
    
; return 0; }
EOF
if { (eval echo configure:5331: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:5457: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_ok=usable
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_ok=unusable
fi
rm -f conftest*
	echo "$ac_t""$tcl_ok" 1>&6
	if test $tcl_ok = usable; then
	    cat >> confdefs.h <<\EOF
#define USE_SYS_EXEC_H 1
EOF

	else
	    echo $ac_n "checking a.out.h""... $ac_c" 1>&6
echo "configure:5349: checking a.out.h" >&5
echo "configure:5475: checking a.out.h" >&5
	    cat > conftest.$ac_ext <<EOF
#line 5351 "configure"
#line 5477 "configure"
#include "confdefs.h"
#include <a.out.h>
int main() {

		struct exec foo;
		unsigned long seek;
		int flag;
#if defined(__mips) || defined(mips)
		seek = N_TXTOFF (foo.ex_f, foo.ex_o);
#else
		seek = N_TXTOFF (foo);
#endif
		flag = (foo.a_magic == OMAGIC);
		return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
	    
; return 0; }
EOF
if { (eval echo configure:5369: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:5495: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_ok=usable
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_ok=unusable
fi
rm -f conftest*
	    echo "$ac_t""$tcl_ok" 1>&6
	    if test $tcl_ok = usable; then
		cat >> confdefs.h <<\EOF
#define USE_A_OUT_H 1
EOF

	    else
		echo $ac_n "checking sys/exec_aout.h""... $ac_c" 1>&6
echo "configure:5387: checking sys/exec_aout.h" >&5
echo "configure:5513: checking sys/exec_aout.h" >&5
		cat > conftest.$ac_ext <<EOF
#line 5389 "configure"
#line 5515 "configure"
#include "confdefs.h"
#include <sys/exec_aout.h>
int main() {

		    struct exec foo;
		    unsigned long seek;
		    int flag;
#if defined(__mips) || defined(mips)
		    seek = N_TXTOFF (foo.ex_f, foo.ex_o);
#else
		    seek = N_TXTOFF (foo);
#endif
		    flag = (foo.a_midmag == OMAGIC);
		    return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
		
; return 0; }
EOF
if { (eval echo configure:5407: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:5533: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tcl_ok=usable
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tcl_ok=unusable

    
    
    



    echo $ac_n "checking for build with symbols""... $ac_c" 1>&6
echo "configure:5502: checking for build with symbols" >&5
echo "configure:5628: checking for build with symbols" >&5
    # Check whether --enable-symbols or --disable-symbols was given.
if test "${enable_symbols+set}" = set; then
  enableval="$enable_symbols"
  tcl_ok=$enableval
else
  tcl_ok=no
fi

#--------------------------------------------------------------------


    for ac_hdr in sys/ioctl.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:5539: checking for $ac_hdr" >&5
echo "configure:5665: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 5544 "configure"
#line 5670 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:5549: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:5675: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5

fi
done

    for ac_hdr in sys/filio.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:5579: checking for $ac_hdr" >&5
echo "configure:5705: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 5584 "configure"
#line 5710 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:5589: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:5715: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5

 
else
  echo "$ac_t""no" 1>&6
fi
done

    echo $ac_n "checking FIONBIO vs. O_NONBLOCK for nonblocking I/O""... $ac_c" 1>&6
echo "configure:5616: checking FIONBIO vs. O_NONBLOCK for nonblocking I/O" >&5
echo "configure:5742: checking FIONBIO vs. O_NONBLOCK for nonblocking I/O" >&5
    if test -f /usr/lib/NextStep/software_version; then
	system=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version`
    else
	system=`uname -s`-`uname -r`
	if test "$?" -ne 0 ; then
	    system=unknown
	else

#--------------------------------------------------------------------

TCL_UNSHARED_LIB_SUFFIX=${UNSHARED_LIB_SUFFIX}
TCL_SHARED_LIB_SUFFIX=${SHARED_LIB_SUFFIX}


    echo $ac_n "checking how to build libraries""... $ac_c" 1>&6
echo "configure:5678: checking how to build libraries" >&5
echo "configure:5804: checking how to build libraries" >&5
    # Check whether --enable-shared or --disable-shared was given.
if test "${enable_shared+set}" = set; then
  enableval="$enable_shared"
  tcl_ok=$enableval
else
  tcl_ok=yes
fi