Adjust configure so that extern tzname[] will be checked for

independently of whether the struct tm tm_zone member exists.
Also run autoheader, which seems not to have been done lately;
it added about three more things to pg_config.h.in than I was expecting...

config/c-library.m4

 # Macros that test various C library quirks
-# $Header: /cvsroot/pgsql/config/c-library.m4,v 1.18 2003/04/12 23:25:42 tgl Exp $
+# $Header: /cvsroot/pgsql/config/c-library.m4,v 1.19 2003/05/22 16:39:26 tgl Exp $
 
 
 # PGAC_VAR_INT_TIMEZONE
@@ -18,6 +18,38 @@ if test x"$pgac_cv_var_int_timezone" = xyes ; then
 fi])# PGAC_VAR_INT_TIMEZONE
 
 
+# PGAC_STRUCT_TIMEZONE
+# ------------------
+# Figure out how to get the current timezone.  If `struct tm' has a
+# `tm_zone' member, define `HAVE_TM_ZONE'.  Also, if the
+# external array `tzname' is found, define `HAVE_TZNAME'.
+# This is the same as the standard macro AC_STRUCT_TIMEZONE, except that
+# tzname[] is checked for regardless of whether we find tm_zone.
+AC_DEFUN([PGAC_STRUCT_TIMEZONE],
+[AC_REQUIRE([AC_STRUCT_TM])dnl
+AC_CHECK_MEMBERS([struct tm.tm_zone],,,[#include <sys/types.h>
+#include <$ac_cv_struct_tm>
+])
+if test "$ac_cv_member_struct_tm_tm_zone" = yes; then
+  AC_DEFINE(HAVE_TM_ZONE, 1,
+            [Define to 1 if your `struct tm' has `tm_zone'. Deprecated, use
+             `HAVE_STRUCT_TM_TM_ZONE' instead.])
+fi
+AC_CACHE_CHECK(for tzname, ac_cv_var_tzname,
+[AC_TRY_LINK(
+[#include <time.h>
+#ifndef tzname /* For SGI.  */
+extern char *tzname[]; /* RS6000 and others reject char **tzname.  */
+#endif
+],
+[atoi(*tzname);], ac_cv_var_tzname=yes, ac_cv_var_tzname=no)])
+if test $ac_cv_var_tzname = yes; then
+    AC_DEFINE(HAVE_TZNAME, 1,
+              [Define to 1 if you have the external array `tzname'.])
+fi
+])# PGAC_STRUCT_TIMEZONE
+
+
 # PGAC_FUNC_GETTIMEOFDAY_1ARG
 # ---------------------------
 # Check if gettimeofday() has only one arguments. (Normal is two.)

configure

@@ -9413,8 +9413,8 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_TM_ZONE 1
 _ACEOF
 
-else
-  echo "$as_me:$LINENO: checking for tzname" >&5
+fi
+echo "$as_me:$LINENO: checking for tzname" >&5
 echo $ECHO_N "checking for tzname... $ECHO_C" >&6
 if test "${ac_cv_var_tzname+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
@@ -9463,13 +9463,12 @@ rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
 fi
 echo "$as_me:$LINENO: result: $ac_cv_var_tzname" >&5
 echo "${ECHO_T}$ac_cv_var_tzname" >&6
-  if test $ac_cv_var_tzname = yes; then
+if test $ac_cv_var_tzname = yes; then
 
 cat >>confdefs.h <<\_ACEOF
 #define HAVE_TZNAME 1
 _ACEOF
 
-  fi
 fi
 
 echo "$as_me:$LINENO: checking for union semun" >&5

configure.in

 dnl Process this file with autoconf to produce a configure script.
-dnl $Header: /cvsroot/pgsql/configure.in,v 1.252 2003/05/16 01:57:51 momjian Exp $
+dnl $Header: /cvsroot/pgsql/configure.in,v 1.253 2003/05/22 16:39:28 tgl Exp $
 dnl
 dnl Developers, please strive to achieve this order:
 dnl
@@ -735,7 +735,7 @@ AC_C_STRINGIZE
 PGAC_C_SIGNED
 AC_C_VOLATILE
 PGAC_C_FUNCNAME_SUPPORT
-AC_STRUCT_TIMEZONE
+PGAC_STRUCT_TIMEZONE
 PGAC_UNION_SEMUN
 PGAC_STRUCT_SOCKADDR_UN
 PGAC_STRUCT_ADDRINFO

src/include/pg_config.h.in

@@ -55,6 +55,9 @@
 /* Define to 1 if you have the `class' function. */
 #undef HAVE_CLASS
 
+/* Define to 1 if you have the `crypt' function. */
+#undef HAVE_CRYPT
+
 /* Define to 1 if you have the <crypt.h> header file. */
 #undef HAVE_CRYPT_H
 
@@ -121,6 +124,9 @@
 /* Define to 1 if you have the `gethostname' function. */
 #undef HAVE_GETHOSTNAME
 
+/* Define to 1 if you have the `getopt' function. */
+#undef HAVE_GETOPT
+
 /* Define to 1 if you have the <getopt.h> header file. */
 #undef HAVE_GETOPT_H
 
@@ -250,6 +256,9 @@
 /* Define to 1 if you have the `util' library (-lutil). */
 #undef HAVE_LIBUTIL
 
+/* Define to 1 if you have the `wsock32' library (-lwsock32). */
+#undef HAVE_LIBWSOCK32
+
 /* Define to 1 if you have the `z' library (-lz). */
 #undef HAVE_LIBZ
 
@@ -460,8 +469,7 @@
    `HAVE_STRUCT_TM_TM_ZONE' instead. */
 #undef HAVE_TM_ZONE
 
-/* Define to 1 if you don't have `tm_zone' but do have the external array
-   `tzname'. */
+/* Define to 1 if you have the external array `tzname'. */
 #undef HAVE_TZNAME
 
 /* Define to 1 if the system has the type `uint64'. */