Don't assume that struct option is available just because we can find a

getopt_long().  This is more or less the same problem as we saw earlier
with getaddrinfo() and struct addrinfo, and for the same reason: random
user-added libraries might contain the subroutine, but there's no
guarantee we will find the matching header files.

configure

@@ -10379,6 +10379,67 @@ _ACEOF
 fi
 
 
+echo "$as_me:$LINENO: checking for struct option" >&5
+echo $ECHO_N "checking for struct option... $ECHO_C" >&6
+if test "${ac_cv_type_struct_option+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+#include "confdefs.h"
+#ifdef HAVE_GETOPT_H
+include <getopt.h>
+#endif
+
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
+int
+main ()
+{
+if ((struct option *) 0)
+  return 0;
+if (sizeof (struct option))
+  return 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_type_struct_option=yes
+else
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_cv_type_struct_option=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_type_struct_option" >&5
+echo "${ECHO_T}$ac_cv_type_struct_option" >&6
+if test $ac_cv_type_struct_option = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_OPTION 1
+_ACEOF
+
+
+fi
+
+
 if test "$with_zlib" = yes; then
   # Check that <zlib.h> defines z_streamp (versions before about 1.0.4
   # did not).  While we could work around the lack of z_streamp, it
@@ -11760,8 +11821,7 @@ fi
 
 
 
-
-for ac_func in crypt fseeko getopt getopt_long getrusage inet_aton random rint srandom strcasecmp strdup strerror strtol strtoul
+for ac_func in crypt fseeko getopt getrusage inet_aton random rint srandom strcasecmp strdup strerror strtol strtoul
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
 echo "$as_me:$LINENO: checking for $ac_func" >&5
@@ -11926,6 +11986,91 @@ else
   LIBOBJS="$LIBOBJS getaddrinfo.$ac_objext"
 fi
 
+# similarly, use system's getopt_long() only if system provides struct option.
+if test x"$ac_cv_type_struct_option" = xyes ; then
+
+for ac_func in getopt_long
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.  */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+char (*f) ();
+
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
+int
+main ()
+{
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+f = $ac_func;
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+eval "$as_ac_var=no"
+fi
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+else
+  LIBOBJS="$LIBOBJS $ac_func.$ac_objext"
+fi
+done
+
+
+else
+  LIBOBJS="$LIBOBJS getopt_long.$ac_objext"
+fi
+
 # BSD/OS & NetBSD use a custom fseeko/ftello built on fsetpos/fgetpos
 # We override the previous test that said fseeko/ftello didn't exist
 # OS tests are also done in include/c.h and port/fseeko.c

configure.in

 dnl Process this file with autoconf to produce a configure script.
-dnl $Header: /cvsroot/pgsql/configure.in,v 1.277 2003/08/04 22:30:30 pgsql Exp $
+dnl $Header: /cvsroot/pgsql/configure.in,v 1.278 2003/08/07 21:11:57 tgl Exp $
 dnl
 dnl Developers, please strive to achieve this order:
 dnl
@@ -780,6 +780,11 @@ AC_CHECK_TYPES([struct cmsgcred, struct fcred, struct sockcred], [], [],
 #include <sys/socket.h>
 #include <sys/ucred.h>])
 
+AC_CHECK_TYPES([struct option], [], [],
+[#ifdef HAVE_GETOPT_H
+include <getopt.h>
+#endif])
+
 if test "$with_zlib" = yes; then
   # Check that <zlib.h> defines z_streamp (versions before about 1.0.4
   # did not).  While we could work around the lack of z_streamp, it
@@ -875,7 +880,7 @@ else
   AC_CHECK_FUNCS([fpclass fp_class fp_class_d class], [break])
 fi
 
-AC_REPLACE_FUNCS([crypt fseeko getopt getopt_long getrusage inet_aton random rint srandom strcasecmp strdup strerror strtol strtoul])
+AC_REPLACE_FUNCS([crypt fseeko getopt getrusage inet_aton random rint srandom strcasecmp strdup strerror strtol strtoul])
 
 # system's version of getaddrinfo(), if any, may be used only if we found
 # a definition for struct addrinfo; see notes in src/include/getaddrinfo.h
@@ -885,6 +890,13 @@ else
   AC_LIBOBJ(getaddrinfo)
 fi
 
+# similarly, use system's getopt_long() only if system provides struct option.
+if test x"$ac_cv_type_struct_option" = xyes ; then
+  AC_REPLACE_FUNCS([getopt_long])
+else
+  AC_LIBOBJ(getopt_long)
+fi
+
 # BSD/OS & NetBSD use a custom fseeko/ftello built on fsetpos/fgetpos
 # We override the previous test that said fseeko/ftello didn't exist
 # OS tests are also done in include/c.h and port/fseeko.c

contrib/pg_autovacuum/pg_autovacuum.h

@@ -6,7 +6,7 @@
 #include "postgres_fe.h"
 
 #include <unistd.h>
-#ifdef __GLIBC__
+#ifdef HAVE_GETOPT_H
 #include <getopt.h>
 #endif
 #include <time.h>

contrib/pg_dumplo/main.c

 /* -------------------------------------------------------------------------
  * pg_dumplo
  *
- * $Header: /cvsroot/pgsql/contrib/pg_dumplo/Attic/main.c,v 1.17 2003/08/04 00:43:11 momjian Exp $
+ * $Header: /cvsroot/pgsql/contrib/pg_dumplo/Attic/main.c,v 1.18 2003/08/07 21:11:57 tgl Exp $
  *
  *					Karel Zak 1999-2000
  * -------------------------------------------------------------------------
@@ -11,9 +11,6 @@
 
 #include <errno.h>
 #include <unistd.h>
-#ifdef HAVE_GETOPT_H
-#include <getopt.h>
-#endif
 
 #include "libpq-fe.h"
 #include "libpq/libpq-fs.h"
@@ -24,8 +21,9 @@
 #include "strdup.h"
 #endif
 
-#ifndef HAVE_GETOPT_LONG
 #include "getopt_long.h"
+
+#ifndef HAVE_OPTRESET
 int			optreset;
 #endif
 

src/bin/pg_dump/pg_dump.c

@@ -12,7 +12,7 @@
  *	by PostgreSQL
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.342 2003/08/04 02:40:09 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.343 2003/08/07 21:11:58 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -29,9 +29,6 @@
 #ifdef ENABLE_NLS
 #include <locale.h>
 #endif
-#ifdef HAVE_GETOPT_H
-#include <getopt.h>
-#endif
 #ifdef HAVE_TERMIOS_H
 #include <termios.h>
 #endif
@@ -40,8 +37,9 @@
 #include "strdup.h"
 #endif
 
-#ifndef HAVE_GETOPT_LONG
 #include "getopt_long.h"
+
+#ifndef HAVE_OPTRESET
 int			optreset;
 #endif
 

src/bin/pg_dump/pg_dumpall.c

@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
- * $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dumpall.c,v 1.26 2003/08/04 02:40:09 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dumpall.c,v 1.27 2003/08/07 21:11:58 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -17,16 +17,14 @@
 #ifdef ENABLE_NLS
 #include <locale.h>
 #endif
-#ifdef HAVE_GETOPT_H
-#include <getopt.h>
-#endif
 #ifndef HAVE_STRDUP
 #include "strdup.h"
 #endif
 #include <errno.h>
 
-#ifndef HAVE_GETOPT_LONG
 #include "getopt_long.h"
+
+#ifndef HAVE_OPTRESET
 int			optreset;
 #endif
 

src/bin/pg_dump/pg_restore.c

@@ -34,7 +34,7 @@
  *
  *
  * IDENTIFICATION
- *		$Header: /cvsroot/pgsql/src/bin/pg_dump/pg_restore.c,v 1.49 2003/08/04 00:43:28 momjian Exp $
+ *		$Header: /cvsroot/pgsql/src/bin/pg_dump/pg_restore.c,v 1.50 2003/08/07 21:11:58 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -55,12 +55,9 @@
 
 #include <unistd.h>
 
-#ifdef HAVE_GETOPT_H
-#include <getopt.h>
-#endif
-
-#ifndef HAVE_GETOPT_LONG
 #include "getopt_long.h"
+
+#ifndef HAVE_OPTRESET
 int			optreset;
 #endif
 

src/bin/psql/startup.c

@@ -3,7 +3,7 @@
  *
  * Copyright (c) 2000-2003, PostgreSQL Global Development Group
  *
- * $Header: /cvsroot/pgsql/src/bin/psql/startup.c,v 1.78 2003/08/04 23:59:40 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/startup.c,v 1.79 2003/08/07 21:11:58 tgl Exp $
  */
 #include "postgres_fe.h"
 
@@ -17,12 +17,9 @@
 #include <win32.h>
 #endif   /* WIN32 */
 
-#ifdef HAVE_GETOPT_H
-#include <getopt.h>
-#endif
-
-#ifndef HAVE_GETOPT_LONG
 #include "getopt_long.h"
+
+#ifndef HAVE_OPTRESET
 int			optreset;
 #endif
 

src/bin/scripts/common.h

 #include "postgres_fe.h"
 
-#ifdef HAVE_GETOPT_H
-#include <getopt.h>
-#endif
-
-#ifndef HAVE_GETOPT_LONG
-#include "getopt_long.h"
-#endif
-
 #include "libpq-fe.h"
 #include "pqexpbuffer.h"
+#include "getopt_long.h"
 
 #ifndef HAVE_OPTRESET
 int			optreset;

src/include/getopt_long.h

@@ -2,11 +2,16 @@
  * Portions Copyright (c) 1987, 1993, 1994
  * The Regents of the University of California.  All rights reserved.
  *
- * Portions Copyright (c) 2003
- * PostgreSQL Global Development Group
+ * Portions Copyright (c) 2003, PostgreSQL Global Development Group
  *
- * $Header: /cvsroot/pgsql/src/include/getopt_long.h,v 1.2 2003/08/04 00:43:29 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/include/getopt_long.h,v 1.3 2003/08/07 21:11:58 tgl Exp $
  */
+#ifndef GETOPT_LONG_H
+#define GETOPT_LONG_H
+
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
+#endif
 
 /* These are picked up from the system's getopt() facility. */
 extern int	opterr;
@@ -17,6 +22,8 @@ extern char *optarg;
 /* Some systems have this, otherwise you need to define it somewhere. */
 extern int	optreset;
 
+#ifndef HAVE_STRUCT_OPTION
+
 struct option
 {
 	const char *name;
@@ -28,6 +35,14 @@ struct option
 #define no_argument 0
 #define required_argument 1
 
-int getopt_long(int argc, char *const argv[],
+#endif
+
+#ifndef HAVE_GETOPT_LONG
+
+extern int getopt_long(int argc, char *const argv[],
 			const char *optstring,
 			const struct option * longopts, int *longindex);
+
+#endif
+
+#endif /* GETOPT_LONG_H */

src/include/pg_config.h.in

@@ -417,6 +417,9 @@
 /* Define to 1 if the system has the type `struct fcred'. */
 #undef HAVE_STRUCT_FCRED
 
+/* Define to 1 if the system has the type `struct option'. */
+#undef HAVE_STRUCT_OPTION
+
 /* Define to 1 if `sa_len' is member of `struct sockaddr'. */
 #undef HAVE_STRUCT_SOCKADDR_SA_LEN