# $Id: Head.U 6 2006-08-25 22:21:46Z rmanfredi $
#
-# Generated on Mon Jun 16 16:07:02 CEST 2008 [metaconfig 3.5 PL0]
+# Generated on Thu Jul 10 17:14:53 CEST 2008 [metaconfig 3.5 PL0]
# (with additional metaconfig patches by perlbug@perl.org)
cat >c1$$ <<EOF
d_telldirproto=''
d_time=''
timetype=''
+d_timegm=''
clocktype=''
d_times=''
d_tmpnam_r=''
d_stdio_stream_array=''
stdio_stream_array=''
sysman=''
+sGMTIME_max=''
+sGMTIME_min=''
trnl=''
uidformat=''
uidsign=''
EOP
set try
-d_sprintf_returns_strlen="$undef"
if eval $compile; then
xxx="`$run ./try`"
case "$?" in
d_sprintf_returns_strlen="$undef"
;;
esac
+else
+ echo "(I can't seem to compile the test program--assuming it doesn't)" >&4
+ d_sprintf_returns_strlen="$undef"
fi
$rm_try
eval $setvar
fi
+: see if timegm exists
+set timegm d_timegm
+eval $inlibc
+
: see if this is a sys/times.h system
set sys/times.h i_systimes
eval $inhdr
fi
$rm -f foo* bar*
+: see if this is a values.h system
+set values.h i_values
+eval $inhdr
+
+: Check the max offset that gmtime accepts
+echo "Checking max offsets that gmtime () accepts"
+
+case $i_values in
+ define) yyy="#include <values.h>" ;;
+ *) yyy="" ;;
+ esac
+
+$cat >try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+#include <time.h>
+$yyy
+
+int i;
+struct tm *tmp;
+time_t pt;
+
+void gm_check (time_t t)
+{
+ tmp = gmtime (&t);
+ if (tmp == NULL || tmp->tm_year < -1900)
+ tmp = NULL;
+ else
+ pt = t;
+ } /* gm_check */
+
+int check_max ()
+{
+ tmp = NULL;
+ pt = 0;
+#ifdef MAXLONG
+ gm_check (MAXLONG);
+#endif
+ if (tmp == NULL || tmp->tm_year < 0) {
+ for (i = 63; i >= 0; i--) {
+ time_t x = pt | ((time_t)1 << i);
+ if (x < 0) continue;
+ gm_check (x);
+ }
+ }
+ printf ("sGMTIME_max=%ld\n", pt);
+ return (0);
+ }
+
+int check_min ()
+{
+ tmp = NULL;
+ pt = 0;
+#ifdef MINLONG
+ gm_check (MINLONG);
+#endif
+ if (tmp == NULL) {
+ for (i = 36; i >= 0; i--) {
+ time_t x = pt - ((time_t)1 << i);
+ if (x > 0) continue;
+ gm_check (x);
+ }
+ }
+ printf ("sGMTIME_min=%ld\n", pt);
+ return (0);
+ }
+
+int main (int argc, char *argv[])
+{
+ fprintf (stderr, "Sizeof time_t = %ld\n", sizeof (time_t));
+ check_max ();
+ check_min ();
+ return (0);
+ } /* main */
+EOCP
+set try
+if eval $compile; then
+ yyy=`$run ./try`
+ eval $yyy
+else
+ echo "Cannot determine sGMTIME_max and sGMTIME_min." >&4
+ fi
+$rm_try
+
: check for type of arguments to select.
case "$selecttype" in
'') case "$d_select" in
set utime.h i_utime
eval $inhdr
-: see if this is a values.h system
-set values.h i_values
-eval $inhdr
-
: see if this is a vfork system
case "$d_vfork" in
"$define")
d_telldir='$d_telldir'
d_telldirproto='$d_telldirproto'
d_time='$d_time'
+d_timegm='$d_timegm'
d_times='$d_times'
d_tm_tm_gmtoff='$d_tm_tm_gmtoff'
d_tm_tm_zone='$d_tm_tm_zone'
rmail='$rmail'
run='$run'
runnm='$runnm'
+sGMTIME_max='$sGMTIME_max'
+sGMTIME_min='$sGMTIME_min'
sPRIEUldbl='$sPRIEUldbl'
sPRIFUldbl='$sPRIFUldbl'
sPRIGUldbl='$sPRIGUldbl'