diff --git a/src/backend/utils/adt/int8.c b/src/backend/utils/adt/int8.c
index 4ffdcbf225..f97b352bf2 100644
--- a/src/backend/utils/adt/int8.c
+++ b/src/backend/utils/adt/int8.c
@@ -37,17 +37,31 @@ int64 *
 int8in(char *str)
 {
 	int64	   *result = palloc(sizeof(int64));
+	char	   *ptr = str;
+	int64		tmp = 0;
+	int			sign = 1;
 
 	if (!PointerIsValid(str))
 		elog(ERROR, "Bad (null) int8 external representation", NULL);
 
-	if (sscanf(str, INT64_FORMAT, result) != 1)
+	/* Do our own scan, rather than relying on sscanf which might be
+	 * broken for long long.  NOTE: this will not detect int64 overflow...
+	 * but sscanf doesn't either...
+	 */
+	while (*ptr && isspace(*ptr))	/* skip leading spaces */
+		ptr++;
+	if (*ptr == '-')				/* handle sign */
+		sign = -1, ptr++;
+	else if (*ptr == '+')
+		ptr++;
+	if (! isdigit(*ptr))			/* require at least one digit */
+		elog(ERROR, "Bad int8 external representation '%s'", str);
+	while (*ptr && isdigit(*ptr))	/* process digits */
+		tmp = tmp * 10 + (*ptr++ - '0');
+	if (*ptr)						/* trailing junk? */
 		elog(ERROR, "Bad int8 external representation '%s'", str);
 
-#if FALSE
-	elog(ERROR, "64-bit integers are not supported", NULL);
-	result = NULL;
-#endif
+	*result = (sign < 0) ? -tmp : tmp;
 
 	return result;
 }	/* int8in() */
diff --git a/src/configure b/src/configure
index c9f05810ec..c5fbcfd2a2 100755
--- a/src/configure
+++ b/src/configure
@@ -3983,122 +3983,8 @@ rm -fr conftest*
 fi
 
 
-echo $ac_n "checking whether 'long int' is 64 bits""... $ac_c" 1>&6
-echo "configure:3988: checking whether 'long int' is 64 bits" >&5
-if test "$cross_compiling" = yes; then
-  echo "$ac_t""assuming not on target machine" 1>&6
-else
-  cat > conftest.$ac_ext <<EOF
-#line 3993 "configure"
-#include "confdefs.h"
-#include <stdio.h>
-typedef long int int64;
-#define INT64_FORMAT "%ld"
-
-int64 a = 20000001;
-int64 b = 40000005;
-
-int does_int64_work()
-{
-  int64 c,d,e;
-  char buf[100];
-
-  if (sizeof(int64) != 8)
-    return 0;			/* doesn't look like the right size */
-
-  /* we do perfunctory checks on multiply, divide, sprintf, sscanf */
-  c = a * b;
-  sprintf(buf, INT64_FORMAT, c);
-  if (strcmp(buf, "800000140000005") != 0)
-    return 0;			/* either multiply or sprintf is busted */
-  if (sscanf(buf, INT64_FORMAT, &d) != 1)
-    return 0;
-  if (d != c)
-    return 0;
-  e = d / b;
-  if (e != a)
-    return 0;
-  return 1;
-}
-main() {
-  exit(! does_int64_work());
-}
-EOF
-if { (eval echo configure:4028: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
-then
-  cat >> confdefs.h <<\EOF
-#define HAVE_LONG_INT_64 1
-EOF
- echo "$ac_t""yes" 1>&6
-else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -fr conftest*
-  echo "$ac_t""no" 1>&6
-fi
-rm -fr conftest*
-fi
-
-
-echo $ac_n "checking whether 'long long int' is 64 bits""... $ac_c" 1>&6
-echo "configure:4045: checking whether 'long long int' is 64 bits" >&5
-if test "$cross_compiling" = yes; then
-  echo "$ac_t""assuming not on target machine" 1>&6
-else
-  cat > conftest.$ac_ext <<EOF
-#line 4050 "configure"
-#include "confdefs.h"
-#include <stdio.h>
-typedef long long int int64;
-#define INT64_FORMAT "%lld"
-
-int64 a = 20000001;
-int64 b = 40000005;
-
-int does_int64_work()
-{
-  int64 c,d,e;
-  char buf[100];
-
-  if (sizeof(int64) != 8)
-    return 0;			/* doesn't look like the right size */
-
-  /* we do perfunctory checks on multiply, divide, sprintf, sscanf */
-  c = a * b;
-  sprintf(buf, INT64_FORMAT, c);
-  if (strcmp(buf, "800000140000005") != 0)
-    return 0;			/* either multiply or sprintf is busted */
-  if (sscanf(buf, INT64_FORMAT, &d) != 1)
-    return 0;
-  if (d != c)
-    return 0;
-  e = d / b;
-  if (e != a)
-    return 0;
-  return 1;
-}
-main() {
-  exit(! does_int64_work());
-}
-EOF
-if { (eval echo configure:4085: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
-then
-  cat >> confdefs.h <<\EOF
-#define HAVE_LONG_LONG_INT_64 1
-EOF
- echo "$ac_t""yes" 1>&6
-else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -fr conftest*
-  echo "$ac_t""no" 1>&6
-fi
-rm -fr conftest*
-fi
-
-
 echo $ac_n "checking for 8-bit clean memcmp""... $ac_c" 1>&6
-echo "configure:4102: checking for 8-bit clean memcmp" >&5
+echo "configure:3988: checking for 8-bit clean memcmp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_memcmp_clean'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4106,7 +3992,7 @@ else
   ac_cv_func_memcmp_clean=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 4110 "configure"
+#line 3996 "configure"
 #include "confdefs.h"
 
 main()
@@ -4116,7 +4002,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:4120: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4006: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_memcmp_clean=yes
 else
@@ -4134,12 +4020,12 @@ echo "$ac_t""$ac_cv_func_memcmp_clean" 1>&6
 test $ac_cv_func_memcmp_clean = no && LIBOBJS="$LIBOBJS memcmp.o"
 
 echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
-echo "configure:4138: checking return type of signal handlers" >&5
+echo "configure:4024: checking return type of signal handlers" >&5
 if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4143 "configure"
+#line 4029 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -4156,7 +4042,7 @@ int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:4160: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4046: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_type_signal=void
 else
@@ -4175,12 +4061,12 @@ EOF
 
 
 echo $ac_n "checking for vprintf""... $ac_c" 1>&6
-echo "configure:4179: checking for vprintf" >&5
+echo "configure:4065: checking for vprintf" >&5
 if eval "test \"`echo '$''{'ac_cv_func_vprintf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4184 "configure"
+#line 4070 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char vprintf(); below.  */
@@ -4203,7 +4089,7 @@ vprintf();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4207: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4093: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_vprintf=yes"
 else
@@ -4227,12 +4113,12 @@ fi
 
 if test "$ac_cv_func_vprintf" != yes; then
 echo $ac_n "checking for _doprnt""... $ac_c" 1>&6
-echo "configure:4231: checking for _doprnt" >&5
+echo "configure:4117: checking for _doprnt" >&5
 if eval "test \"`echo '$''{'ac_cv_func__doprnt'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4236 "configure"
+#line 4122 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char _doprnt(); below.  */
@@ -4255,7 +4141,7 @@ _doprnt();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4259: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4145: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func__doprnt=yes"
 else
@@ -4282,12 +4168,12 @@ fi
 for ac_func in tzset memmove sigsetjmp kill sysconf fpclass
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4286: checking for $ac_func" >&5
+echo "configure:4172: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4291 "configure"
+#line 4177 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4310,7 +4196,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4314: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4200: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4337,12 +4223,12 @@ done
 for ac_func in fp_class fp_class_d class
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4341: checking for $ac_func" >&5
+echo "configure:4227: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4346 "configure"
+#line 4232 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4365,7 +4251,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4369: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4255: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4392,12 +4278,12 @@ done
 for ac_func in sigprocmask waitpid setsid fcvt
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4396: checking for $ac_func" >&5
+echo "configure:4282: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4401 "configure"
+#line 4287 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4420,7 +4306,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4424: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4310: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4445,12 +4331,12 @@ fi
 done
 
 echo $ac_n "checking for snprintf""... $ac_c" 1>&6
-echo "configure:4449: checking for snprintf" >&5
+echo "configure:4335: checking for snprintf" >&5
 if eval "test \"`echo '$''{'ac_cv_func_snprintf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4454 "configure"
+#line 4340 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char snprintf(); below.  */
@@ -4473,7 +4359,7 @@ snprintf();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4477: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4363: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_snprintf=yes"
 else
@@ -4497,12 +4383,12 @@ SNPRINTF='snprintf.o'
 fi
 
 echo $ac_n "checking for vsnprintf""... $ac_c" 1>&6
-echo "configure:4501: checking for vsnprintf" >&5
+echo "configure:4387: checking for vsnprintf" >&5
 if eval "test \"`echo '$''{'ac_cv_func_vsnprintf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4506 "configure"
+#line 4392 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char vsnprintf(); below.  */
@@ -4525,7 +4411,7 @@ vsnprintf();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4529: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4415: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_vsnprintf=yes"
 else
@@ -4550,12 +4436,12 @@ fi
 
 
 echo $ac_n "checking for isinf""... $ac_c" 1>&6
-echo "configure:4554: checking for isinf" >&5
+echo "configure:4440: checking for isinf" >&5
 if eval "test \"`echo '$''{'ac_cv_func_isinf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4559 "configure"
+#line 4445 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char isinf(); below.  */
@@ -4578,7 +4464,7 @@ isinf();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4582: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4468: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_isinf=yes"
 else
@@ -4603,12 +4489,12 @@ fi
 
 
 echo $ac_n "checking for getrusage""... $ac_c" 1>&6
-echo "configure:4607: checking for getrusage" >&5
+echo "configure:4493: checking for getrusage" >&5
 if eval "test \"`echo '$''{'ac_cv_func_getrusage'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4612 "configure"
+#line 4498 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char getrusage(); below.  */
@@ -4631,7 +4517,7 @@ getrusage();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4635: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4521: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_getrusage=yes"
 else
@@ -4656,12 +4542,12 @@ fi
 
 
 echo $ac_n "checking for srandom""... $ac_c" 1>&6
-echo "configure:4660: checking for srandom" >&5
+echo "configure:4546: checking for srandom" >&5
 if eval "test \"`echo '$''{'ac_cv_func_srandom'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4665 "configure"
+#line 4551 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char srandom(); below.  */
@@ -4684,7 +4570,7 @@ srandom();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4688: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4574: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_srandom=yes"
 else
@@ -4709,12 +4595,12 @@ fi
 
 
 echo $ac_n "checking for gethostname""... $ac_c" 1>&6
-echo "configure:4713: checking for gethostname" >&5
+echo "configure:4599: checking for gethostname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4718 "configure"
+#line 4604 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostname(); below.  */
@@ -4737,7 +4623,7 @@ gethostname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4741: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4627: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_gethostname=yes"
 else
@@ -4762,12 +4648,12 @@ fi
 
 
 echo $ac_n "checking for random""... $ac_c" 1>&6
-echo "configure:4766: checking for random" >&5
+echo "configure:4652: checking for random" >&5
 if eval "test \"`echo '$''{'ac_cv_func_random'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4771 "configure"
+#line 4657 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char random(); below.  */
@@ -4790,7 +4676,7 @@ random();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4794: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4680: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_random=yes"
 else
@@ -4815,12 +4701,12 @@ fi
 
 
 echo $ac_n "checking for inet_aton""... $ac_c" 1>&6
-echo "configure:4819: checking for inet_aton" >&5
+echo "configure:4705: checking for inet_aton" >&5
 if eval "test \"`echo '$''{'ac_cv_func_inet_aton'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4824 "configure"
+#line 4710 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char inet_aton(); below.  */
@@ -4843,7 +4729,7 @@ inet_aton();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4847: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4733: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_inet_aton=yes"
 else
@@ -4868,12 +4754,12 @@ fi
 
 
 echo $ac_n "checking for strerror""... $ac_c" 1>&6
-echo "configure:4872: checking for strerror" >&5
+echo "configure:4758: checking for strerror" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strerror'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4877 "configure"
+#line 4763 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strerror(); below.  */
@@ -4896,7 +4782,7 @@ strerror();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4900: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4786: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_strerror=yes"
 else
@@ -4922,12 +4808,12 @@ fi
 
 
 echo $ac_n "checking for strdup""... $ac_c" 1>&6
-echo "configure:4926: checking for strdup" >&5
+echo "configure:4812: checking for strdup" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strdup'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4931 "configure"
+#line 4817 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strdup(); below.  */
@@ -4950,7 +4836,7 @@ strdup();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4954: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4840: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_strdup=yes"
 else
@@ -4975,12 +4861,12 @@ fi
 
 
 echo $ac_n "checking for strtol""... $ac_c" 1>&6
-echo "configure:4979: checking for strtol" >&5
+echo "configure:4865: checking for strtol" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strtol'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4984 "configure"
+#line 4870 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strtol(); below.  */
@@ -5003,7 +4889,7 @@ strtol();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5007: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4893: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_strtol=yes"
 else
@@ -5028,12 +4914,12 @@ fi
 
 
 echo $ac_n "checking for strtoul""... $ac_c" 1>&6
-echo "configure:5032: checking for strtoul" >&5
+echo "configure:4918: checking for strtoul" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strtoul'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5037 "configure"
+#line 4923 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strtoul(); below.  */
@@ -5056,7 +4942,7 @@ strtoul();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5060: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4946: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_strtoul=yes"
 else
@@ -5081,12 +4967,12 @@ fi
 
 
 echo $ac_n "checking for strcasecmp""... $ac_c" 1>&6
-echo "configure:5085: checking for strcasecmp" >&5
+echo "configure:4971: checking for strcasecmp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strcasecmp'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5090 "configure"
+#line 4976 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strcasecmp(); below.  */
@@ -5109,7 +4995,7 @@ strcasecmp();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5113: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4999: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_strcasecmp=yes"
 else
@@ -5134,12 +5020,12 @@ fi
 
 
 echo $ac_n "checking for cbrt""... $ac_c" 1>&6
-echo "configure:5138: checking for cbrt" >&5
+echo "configure:5024: checking for cbrt" >&5
 if eval "test \"`echo '$''{'ac_cv_func_cbrt'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5143 "configure"
+#line 5029 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char cbrt(); below.  */
@@ -5162,7 +5048,7 @@ cbrt();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5166: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:5052: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_cbrt=yes"
 else
@@ -5183,7 +5069,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for cbrt in -lm""... $ac_c" 1>&6
-echo "configure:5187: checking for cbrt in -lm" >&5
+echo "configure:5073: checking for cbrt in -lm" >&5
 ac_lib_var=`echo m'_'cbrt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5191,7 +5077,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5195 "configure"
+#line 5081 "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
@@ -5202,7 +5088,7 @@ int main() {
 cbrt()
 ; return 0; }
 EOF
-if { (eval echo configure:5206: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:5092: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5232,12 +5118,12 @@ fi
 # this hackery with HPUXMATHLIB allows us to cope.
 HPUXMATHLIB=""
 echo $ac_n "checking for rint""... $ac_c" 1>&6
-echo "configure:5236: checking for rint" >&5
+echo "configure:5122: checking for rint" >&5
 if eval "test \"`echo '$''{'ac_cv_func_rint'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5241 "configure"
+#line 5127 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char rint(); below.  */
@@ -5260,7 +5146,7 @@ rint();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5264: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:5150: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_rint=yes"
 else
@@ -5285,7 +5171,7 @@ if [ -r /lib/pa1.1/libm.a ] ; then
     HPUXMATHLIB="-L /lib/pa1.1 -lm"
 fi
 	      echo $ac_n "checking for rint in -lm""... $ac_c" 1>&6
-echo "configure:5289: checking for rint in -lm" >&5
+echo "configure:5175: checking for rint in -lm" >&5
 ac_lib_var=`echo m'_'rint | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5293,7 +5179,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm $HPUXMATHLIB $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5297 "configure"
+#line 5183 "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
@@ -5304,7 +5190,7 @@ int main() {
 rint()
 ; return 0; }
 EOF
-if { (eval echo configure:5308: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:5194: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5333,10 +5219,125 @@ fi
 
 
 
+echo $ac_n "checking whether 'long int' is 64 bits""... $ac_c" 1>&6
+echo "configure:5224: checking whether 'long int' is 64 bits" >&5
+if test "$cross_compiling" = yes; then
+  echo "$ac_t""assuming not on target machine" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 5229 "configure"
+#include "confdefs.h"
+#include <stdio.h>
+typedef long int int64;
+#define INT64_FORMAT "%ld"
+
+int64 a = 20000001;
+int64 b = 40000005;
+
+int does_int64_work()
+{
+  int64 c,d;
+  char buf[100];
+
+  if (sizeof(int64) != 8)
+    return 0;			/* doesn't look like the right size */
+
+  /* we do perfunctory checks on multiply and divide,
+   * and also test snprintf if the platform provides snprintf.
+   */
+  c = a * b;
+#if defined(HAVE_SNPRINTF) && defined(HAVE_VSNPRINTF)
+  snprintf(buf, 100, INT64_FORMAT, c);
+  if (strcmp(buf, "800000140000005") != 0)
+    return 0;			/* either multiply or snprintf is busted */
+#endif
+  d = (c + b) / b;
+  if (d != a+1)
+    return 0;
+  return 1;
+}
+main() {
+  exit(! does_int64_work());
+}
+EOF
+if { (eval echo configure:5264: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+then
+  cat >> confdefs.h <<\EOF
+#define HAVE_LONG_INT_64 1
+EOF
+ echo "$ac_t""yes" 1>&6
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -fr conftest*
+  echo "$ac_t""no" 1>&6
+fi
+rm -fr conftest*
+fi
+
+
+echo $ac_n "checking whether 'long long int' is 64 bits""... $ac_c" 1>&6
+echo "configure:5281: checking whether 'long long int' is 64 bits" >&5
+if test "$cross_compiling" = yes; then
+  echo "$ac_t""assuming not on target machine" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 5286 "configure"
+#include "confdefs.h"
+#include <stdio.h>
+typedef long long int int64;
+#define INT64_FORMAT "%lld"
+
+int64 a = 20000001;
+int64 b = 40000005;
+
+int does_int64_work()
+{
+  int64 c,d;
+  char buf[100];
+
+  if (sizeof(int64) != 8)
+    return 0;			/* doesn't look like the right size */
+
+  /* we do perfunctory checks on multiply and divide,
+   * and also test snprintf if the platform provides snprintf.
+   */
+  c = a * b;
+#if defined(HAVE_SNPRINTF) && defined(HAVE_VSNPRINTF)
+  snprintf(buf, 100, INT64_FORMAT, c);
+  if (strcmp(buf, "800000140000005") != 0)
+    return 0;			/* either multiply or snprintf is busted */
+#endif
+  d = (c + b) / b;
+  if (d != a+1)
+    return 0;
+  return 1;
+}
+main() {
+  exit(! does_int64_work());
+}
+EOF
+if { (eval echo configure:5321: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+then
+  cat >> confdefs.h <<\EOF
+#define HAVE_LONG_LONG_INT_64 1
+EOF
+ echo "$ac_t""yes" 1>&6
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -fr conftest*
+  echo "$ac_t""no" 1>&6
+fi
+rm -fr conftest*
+fi
+
+
+
 echo $ac_n "checking for POSIX signal interface""... $ac_c" 1>&6
-echo "configure:5338: checking for POSIX signal interface" >&5
+echo "configure:5339: checking for POSIX signal interface" >&5
 cat > conftest.$ac_ext <<EOF
-#line 5340 "configure"
+#line 5341 "configure"
 #include "confdefs.h"
 #include <signal.h>
 int main() {
@@ -5346,7 +5347,7 @@ act.sa_flags = SA_RESTART;
 sigaction(0, &act, &oact);
 ; return 0; }
 EOF
-if { (eval echo configure:5350: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:5351: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define USE_POSIX_SIGNALS 1
@@ -5370,7 +5371,7 @@ then
 	# Extract the first word of "tclsh", so it can be a program name with args.
 set dummy tclsh; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5374: checking for $ac_word" >&5
+echo "configure:5375: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_TCLSH'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5403,7 +5404,7 @@ fi
 		# Extract the first word of "tcl", so it can be a program name with args.
 set dummy tcl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5407: checking for $ac_word" >&5
+echo "configure:5408: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_TCLSH'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5442,7 +5443,7 @@ fi
 if test "$USE_TCL" = true
 then
 	echo $ac_n "checking for tclConfig.sh""... $ac_c" 1>&6
-echo "configure:5446: checking for tclConfig.sh" >&5
+echo "configure:5447: checking for tclConfig.sh" >&5
 	TCL_CONFIG_SH=
 	library_dirs=
 	if test -z "$TCL_DIRS"
@@ -5471,7 +5472,7 @@ USE_TK=$USE_TCL		# If TCL is disabled, disable TK
 if test "$USE_TK" = true
 then
 	echo $ac_n "checking for tkConfig.sh""... $ac_c" 1>&6
-echo "configure:5475: checking for tkConfig.sh" >&5
+echo "configure:5476: checking for tkConfig.sh" >&5
 	TK_CONFIG_SH=
 	# library_dirs are set in the check for TCL
 	for dir in $library_dirs
@@ -5508,7 +5509,7 @@ if test "$USE_X" = true; then
 # Uses ac_ vars as temps to allow command line to override cache and checks.
 # --without-x overrides everything else, but does not touch the cache.
 echo $ac_n "checking for X""... $ac_c" 1>&6
-echo "configure:5512: checking for X" >&5
+echo "configure:5513: checking for X" >&5
 
 # Check whether --with-x or --without-x was given.
 if test "${with_x+set}" = set; then
@@ -5570,12 +5571,12 @@ if test "$ac_x_includes" = NO; then
 
   # First, try using that file with no special directory specified.
 cat > conftest.$ac_ext <<EOF
-#line 5574 "configure"
+#line 5575 "configure"
 #include "confdefs.h"
 #include <$x_direct_test_include>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5579: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5580: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5644,14 +5645,14 @@ if test "$ac_x_libraries" = NO; then
   ac_save_LIBS="$LIBS"
   LIBS="-l$x_direct_test_library $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5648 "configure"
+#line 5649 "configure"
 #include "confdefs.h"
 
 int main() {
 ${x_direct_test_function}()
 ; return 0; }
 EOF
-if { (eval echo configure:5655: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:5656: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   LIBS="$ac_save_LIBS"
 # We can link X programs with no special library path.
@@ -5757,17 +5758,17 @@ else
     case "`(uname -sr) 2>/dev/null`" in
     "SunOS 5"*)
       echo $ac_n "checking whether -R must be followed by a space""... $ac_c" 1>&6
-echo "configure:5761: checking whether -R must be followed by a space" >&5
+echo "configure:5762: checking whether -R must be followed by a space" >&5
       ac_xsave_LIBS="$LIBS"; LIBS="$LIBS -R$x_libraries"
       cat > conftest.$ac_ext <<EOF
-#line 5764 "configure"
+#line 5765 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:5771: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:5772: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   ac_R_nospace=yes
 else
@@ -5783,14 +5784,14 @@ rm -f conftest*
       else
 	LIBS="$ac_xsave_LIBS -R $x_libraries"
 	cat > conftest.$ac_ext <<EOF
-#line 5787 "configure"
+#line 5788 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:5794: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:5795: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   ac_R_space=yes
 else
@@ -5822,7 +5823,7 @@ rm -f conftest*
     # libraries were built with DECnet support.  And karl@cs.umb.edu says
     # the Alpha needs dnet_stub (dnet does not exist).
     echo $ac_n "checking for dnet_ntoa in -ldnet""... $ac_c" 1>&6
-echo "configure:5826: checking for dnet_ntoa in -ldnet" >&5
+echo "configure:5827: checking for dnet_ntoa in -ldnet" >&5
 ac_lib_var=`echo dnet'_'dnet_ntoa | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5830,7 +5831,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldnet  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5834 "configure"
+#line 5835 "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
@@ -5841,7 +5842,7 @@ int main() {
 dnet_ntoa()
 ; return 0; }
 EOF
-if { (eval echo configure:5845: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:5846: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5863,7 +5864,7 @@ fi
 
     if test $ac_cv_lib_dnet_dnet_ntoa = no; then
       echo $ac_n "checking for dnet_ntoa in -ldnet_stub""... $ac_c" 1>&6
-echo "configure:5867: checking for dnet_ntoa in -ldnet_stub" >&5
+echo "configure:5868: checking for dnet_ntoa in -ldnet_stub" >&5
 ac_lib_var=`echo dnet_stub'_'dnet_ntoa | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5871,7 +5872,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldnet_stub  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5875 "configure"
+#line 5876 "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
@@ -5882,7 +5883,7 @@ int main() {
 dnet_ntoa()
 ; return 0; }
 EOF
-if { (eval echo configure:5886: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:5887: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5911,12 +5912,12 @@ fi
     # The nsl library prevents programs from opening the X display
     # on Irix 5.2, according to dickey@clark.net.
     echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:5915: checking for gethostbyname" >&5
+echo "configure:5916: checking for gethostbyname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5920 "configure"
+#line 5921 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname(); below.  */
@@ -5939,7 +5940,7 @@ gethostbyname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5943: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:5944: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_gethostbyname=yes"
 else
@@ -5960,7 +5961,7 @@ fi
 
     if test $ac_cv_func_gethostbyname = no; then
       echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
-echo "configure:5964: checking for gethostbyname in -lnsl" >&5
+echo "configure:5965: checking for gethostbyname in -lnsl" >&5
 ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5968,7 +5969,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5972 "configure"
+#line 5973 "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
@@ -5979,7 +5980,7 @@ int main() {
 gethostbyname()
 ; return 0; }
 EOF
-if { (eval echo configure:5983: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:5984: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6009,12 +6010,12 @@ fi
     # -lsocket must be given before -lnsl if both are needed.
     # We assume that if connect needs -lnsl, so does gethostbyname.
     echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:6013: checking for connect" >&5
+echo "configure:6014: checking for connect" >&5
 if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6018 "configure"
+#line 6019 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char connect(); below.  */
@@ -6037,7 +6038,7 @@ connect();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6041: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:6042: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_connect=yes"
 else
@@ -6058,7 +6059,7 @@ fi
 
     if test $ac_cv_func_connect = no; then
       echo $ac_n "checking for connect in -lsocket""... $ac_c" 1>&6
-echo "configure:6062: checking for connect in -lsocket" >&5
+echo "configure:6063: checking for connect in -lsocket" >&5
 ac_lib_var=`echo socket'_'connect | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6066,7 +6067,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6070 "configure"
+#line 6071 "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
@@ -6077,7 +6078,7 @@ int main() {
 connect()
 ; return 0; }
 EOF
-if { (eval echo configure:6081: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:6082: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6101,12 +6102,12 @@ fi
 
     # gomez@mi.uni-erlangen.de says -lposix is necessary on A/UX.
     echo $ac_n "checking for remove""... $ac_c" 1>&6
-echo "configure:6105: checking for remove" >&5
+echo "configure:6106: checking for remove" >&5
 if eval "test \"`echo '$''{'ac_cv_func_remove'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6110 "configure"
+#line 6111 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char remove(); below.  */
@@ -6129,7 +6130,7 @@ remove();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6133: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:6134: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_remove=yes"
 else
@@ -6150,7 +6151,7 @@ fi
 
     if test $ac_cv_func_remove = no; then
       echo $ac_n "checking for remove in -lposix""... $ac_c" 1>&6
-echo "configure:6154: checking for remove in -lposix" >&5
+echo "configure:6155: checking for remove in -lposix" >&5
 ac_lib_var=`echo posix'_'remove | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6158,7 +6159,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lposix  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6162 "configure"
+#line 6163 "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
@@ -6169,7 +6170,7 @@ int main() {
 remove()
 ; return 0; }
 EOF
-if { (eval echo configure:6173: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:6174: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6193,12 +6194,12 @@ fi
 
     # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
     echo $ac_n "checking for shmat""... $ac_c" 1>&6
-echo "configure:6197: checking for shmat" >&5
+echo "configure:6198: checking for shmat" >&5
 if eval "test \"`echo '$''{'ac_cv_func_shmat'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6202 "configure"
+#line 6203 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char shmat(); below.  */
@@ -6221,7 +6222,7 @@ shmat();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6225: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:6226: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_shmat=yes"
 else
@@ -6242,7 +6243,7 @@ fi
 
     if test $ac_cv_func_shmat = no; then
       echo $ac_n "checking for shmat in -lipc""... $ac_c" 1>&6
-echo "configure:6246: checking for shmat in -lipc" >&5
+echo "configure:6247: checking for shmat in -lipc" >&5
 ac_lib_var=`echo ipc'_'shmat | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6250,7 +6251,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lipc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6254 "configure"
+#line 6255 "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
@@ -6261,7 +6262,7 @@ int main() {
 shmat()
 ; return 0; }
 EOF
-if { (eval echo configure:6265: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:6266: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6294,7 +6295,7 @@ fi
   # libraries we check for below, so use a different variable.
   #  --interran@uluru.Stanford.EDU, kb@cs.umb.edu.
   echo $ac_n "checking for IceConnectionNumber in -lICE""... $ac_c" 1>&6
-echo "configure:6298: checking for IceConnectionNumber in -lICE" >&5
+echo "configure:6299: checking for IceConnectionNumber in -lICE" >&5
 ac_lib_var=`echo ICE'_'IceConnectionNumber | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6302,7 +6303,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lICE  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6306 "configure"
+#line 6307 "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
@@ -6313,7 +6314,7 @@ int main() {
 IceConnectionNumber()
 ; return 0; }
 EOF
-if { (eval echo configure:6317: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:6318: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6346,7 +6347,7 @@ fi
 	
 	X11_LIBS=""
 	echo $ac_n "checking for XOpenDisplay in -lX11""... $ac_c" 1>&6
-echo "configure:6350: checking for XOpenDisplay in -lX11" >&5
+echo "configure:6351: checking for XOpenDisplay in -lX11" >&5
 ac_lib_var=`echo X11'_'XOpenDisplay | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6354,7 +6355,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lX11 ${X_PRE_LIBS} $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6358 "configure"
+#line 6359 "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
@@ -6365,7 +6366,7 @@ int main() {
 XOpenDisplay()
 ; return 0; }
 EOF
-if { (eval echo configure:6369: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:6370: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6412,17 +6413,17 @@ then
 	PWD_INCDIR=no
 	ac_safe=`echo "pwd.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for pwd.h""... $ac_c" 1>&6
-echo "configure:6416: checking for pwd.h" >&5
+echo "configure:6417: checking for pwd.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6421 "configure"
+#line 6422 "configure"
 #include "confdefs.h"
 #include <pwd.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6426: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6427: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
diff --git a/src/configure.in b/src/configure.in
index acbeb90dae..41500ba150 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -613,81 +613,6 @@ main() { double d = DBL_MIN; if (d != DBL_MIN) exit(-1); else exit(0); }],
 	[AC_DEFINE(HAVE_DBL_MIN_PROBLEM) AC_MSG_RESULT(no)],
 	AC_MSG_RESULT(assuming ok on target machine))
 
-dnl Check to see if we have a working 64-bit integer type.
-AC_MSG_CHECKING(whether 'long int' is 64 bits)
-AC_TRY_RUN([#include <stdio.h>
-typedef long int int64;
-#define INT64_FORMAT "%ld"
-
-int64 a = 20000001;
-int64 b = 40000005;
-
-int does_int64_work()
-{
-  int64 c,d,e;
-  char buf[100];
-
-  if (sizeof(int64) != 8)
-    return 0;			/* doesn't look like the right size */
-
-  /* we do perfunctory checks on multiply, divide, sprintf, sscanf */
-  c = a * b;
-  sprintf(buf, INT64_FORMAT, c);
-  if (strcmp(buf, "800000140000005") != 0)
-    return 0;			/* either multiply or sprintf is busted */
-  if (sscanf(buf, INT64_FORMAT, &d) != 1)
-    return 0;
-  if (d != c)
-    return 0;
-  e = d / b;
-  if (e != a)
-    return 0;
-  return 1;
-}
-main() {
-  exit(! does_int64_work());
-}],
-	[AC_DEFINE(HAVE_LONG_INT_64) AC_MSG_RESULT(yes)],
-	AC_MSG_RESULT(no),
-	AC_MSG_RESULT(assuming not on target machine))
-
-AC_MSG_CHECKING(whether 'long long int' is 64 bits)
-AC_TRY_RUN([#include <stdio.h>
-typedef long long int int64;
-#define INT64_FORMAT "%lld"
-
-int64 a = 20000001;
-int64 b = 40000005;
-
-int does_int64_work()
-{
-  int64 c,d,e;
-  char buf[100];
-
-  if (sizeof(int64) != 8)
-    return 0;			/* doesn't look like the right size */
-
-  /* we do perfunctory checks on multiply, divide, sprintf, sscanf */
-  c = a * b;
-  sprintf(buf, INT64_FORMAT, c);
-  if (strcmp(buf, "800000140000005") != 0)
-    return 0;			/* either multiply or sprintf is busted */
-  if (sscanf(buf, INT64_FORMAT, &d) != 1)
-    return 0;
-  if (d != c)
-    return 0;
-  e = d / b;
-  if (e != a)
-    return 0;
-  return 1;
-}
-main() {
-  exit(! does_int64_work());
-}],
-	[AC_DEFINE(HAVE_LONG_LONG_INT_64) AC_MSG_RESULT(yes)],
-	AC_MSG_RESULT(no),
-	AC_MSG_RESULT(assuming not on target machine))
-
 dnl Checks for library functions.
 AC_FUNC_MEMCMP
 AC_TYPE_SIGNAL
@@ -766,6 +691,88 @@ fi
 ])
 AC_SUBST(HPUXMATHLIB)
 
+dnl Check to see if we have a working 64-bit integer type.
+dnl This has to be done after checking for snprintf, because
+dnl if the platform has snprintf then we need to know if snprintf
+dnl works with 64-bit ints.  However, if we are supplying our own
+dnl snprintf then we expect that it will work as long as the basic
+dnl 64-bit math operations work.  NOTE that we will supply our own
+dnl snprintf if either snprintf or vsnprintf is missing.
+
+AC_MSG_CHECKING(whether 'long int' is 64 bits)
+AC_TRY_RUN([#include <stdio.h>
+typedef long int int64;
+#define INT64_FORMAT "%ld"
+
+int64 a = 20000001;
+int64 b = 40000005;
+
+int does_int64_work()
+{
+  int64 c,d;
+  char buf[100];
+
+  if (sizeof(int64) != 8)
+    return 0;			/* doesn't look like the right size */
+
+  /* we do perfunctory checks on multiply and divide,
+   * and also test snprintf if the platform provides snprintf.
+   */
+  c = a * b;
+#if defined(HAVE_SNPRINTF) && defined(HAVE_VSNPRINTF)
+  snprintf(buf, 100, INT64_FORMAT, c);
+  if (strcmp(buf, "800000140000005") != 0)
+    return 0;			/* either multiply or snprintf is busted */
+#endif
+  d = (c + b) / b;
+  if (d != a+1)
+    return 0;
+  return 1;
+}
+main() {
+  exit(! does_int64_work());
+}],
+	[AC_DEFINE(HAVE_LONG_INT_64) AC_MSG_RESULT(yes)],
+	AC_MSG_RESULT(no),
+	AC_MSG_RESULT(assuming not on target machine))
+
+AC_MSG_CHECKING(whether 'long long int' is 64 bits)
+AC_TRY_RUN([#include <stdio.h>
+typedef long long int int64;
+#define INT64_FORMAT "%lld"
+
+int64 a = 20000001;
+int64 b = 40000005;
+
+int does_int64_work()
+{
+  int64 c,d;
+  char buf[100];
+
+  if (sizeof(int64) != 8)
+    return 0;			/* doesn't look like the right size */
+
+  /* we do perfunctory checks on multiply and divide,
+   * and also test snprintf if the platform provides snprintf.
+   */
+  c = a * b;
+#if defined(HAVE_SNPRINTF) && defined(HAVE_VSNPRINTF)
+  snprintf(buf, 100, INT64_FORMAT, c);
+  if (strcmp(buf, "800000140000005") != 0)
+    return 0;			/* either multiply or snprintf is busted */
+#endif
+  d = (c + b) / b;
+  if (d != a+1)
+    return 0;
+  return 1;
+}
+main() {
+  exit(! does_int64_work());
+}],
+	[AC_DEFINE(HAVE_LONG_LONG_INT_64) AC_MSG_RESULT(yes)],
+	AC_MSG_RESULT(no),
+	AC_MSG_RESULT(assuming not on target machine))
+
 dnl Check to see if platform has POSIX signal interface.
 dnl NOTE: if this test fails then POSIX signals definitely don't work.
 dnl It could be that the test compiles but the POSIX routines don't