Remove NO_MKTIME_BEFORE_1970. I had speculated that it was not needed

anymore given the mktime() workaround now done in DetermineLocalTimeZone.
This has now been confirmed by Robert Bruccoleri for Irix, and I'm going
to extrapolate to AIX as well.

Author: tglsfdc

src/backend/utils/adt/nabstime.c

@@ -9,7 +9,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/nabstime.c,v 1.100 2002/10/04 17:34:01 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/nabstime.c,v 1.101 2002/11/12 00:39:08 tgl Exp $
  *
  * NOTES
  *
@@ -289,21 +289,9 @@ abstime2tm(AbsoluteTime _time, int *tzp, struct tm * tm, char **tzn)
 
 #if defined(HAVE_TM_ZONE) || defined(HAVE_INT_TIMEZONE)
 	if ((!HasCTZSet) && (tzp != NULL))
-	{
 		tx = localtime((time_t *) &time);
-#ifdef NO_MKTIME_BEFORE_1970
-		if (tx->tm_year < 70 && tx->tm_isdst == 1)
-		{
-			time -= 3600;
-			tx = localtime((time_t *) &time);
-			tx->tm_isdst = 0;
-		}
-#endif
-	}
 	else
-	{
 		tx = gmtime((time_t *) &time);
-	};
 
 	tm->tm_year = tx->tm_year + 1900;
 	tm->tm_mon = tx->tm_mon + 1;

src/backend/utils/adt/timestamp.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/timestamp.c,v 1.74 2002/09/21 19:52:41 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/timestamp.c,v 1.75 2002/11/12 00:39:08 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -906,14 +906,6 @@ timestamp2tm(Timestamp dt, int *tzp, struct tm * tm, fsec_t *fsec, char **tzn)
 
 #if defined(HAVE_TM_ZONE) || defined(HAVE_INT_TIMEZONE)
 			tx = localtime(&utime);
-#ifdef NO_MKTIME_BEFORE_1970
-			if (tx->tm_year < 70 && tx->tm_isdst == 1)
-			{
-				utime -= 3600;
-				tx = localtime(&utime);
-				tx->tm_isdst = 0;
-			}
-#endif
 			tm->tm_year = tx->tm_year + 1900;
 			tm->tm_mon = tx->tm_mon + 1;
 			tm->tm_mday = tx->tm_mday;

src/include/port/aix.h

@@ -1,7 +1,7 @@
 #define CLASS_CONFLICT
 #define DISABLE_XOPEN_NLS
 #define HAS_TEST_AND_SET
-#define NO_MKTIME_BEFORE_1970
+
 typedef unsigned int slock_t;
 
 #include <sys/machine.h>		/* ENDIAN definitions for network

src/include/port/irix5.h

@@ -1,3 +1,3 @@
 #define HAS_TEST_AND_SET
-#define NO_MKTIME_BEFORE_1970
+
 typedef unsigned long slock_t;

src/test/regress/resultmap

@@ -1,4 +1,5 @@
 abstime/alpha.*-dec-osf=abstime-solaris-1947
+abstime/.*-irix=abstime-solaris-1947
 abstime/i.86-pc-solaris=abstime-solaris-1947
 abstime/sparc-sun-solaris=abstime-solaris-1947
 abstime/.*-sco=abstime-solaris-1947
@@ -21,17 +22,18 @@ geometry/hppa.*-hpux10=geometry-positive-zeros
 geometry/.*-irix6=geometry-positive-zeros
 horology/.*-aix4=horology-no-DST-before-1970
 horology/.*-aix5=horology-no-DST-before-1970
-horology/.*-irix6=horology-no-DST-before-1970
 horology/alpha.*-dec-osf=horology-solaris-1947
 horology/.*-cygwin=horology-no-DST-before-1970
 horology/hppa=horology-no-DST-before-1970
+horology/.*-irix=horology-solaris-1947
 horology/i.86-pc-solaris=horology-solaris-1947
 horology/sparc-sun-solaris=horology-solaris-1947
 horology/sparc-sun-sunos4.*=horology-no-DST-before-1970
 horology/.*-sysv5=horology-solaris-1947
 horology/.*-sco=horology-solaris-1947
 int8/.*-qnx=int8-exp-three-digits
 tinterval/alpha.*-dec-osf=tinterval-solaris-1947
+tinterval/.*-irix=tinterval-solaris-1947
 tinterval/i.86-pc-solaris=tinterval-solaris-1947
 tinterval/sparc-sun-solaris=tinterval-solaris-1947
 tinterval/.*-sysv5=tinterval-solaris-1947