Pass less-unsafe parameters to Darwin's NSLinkModule. While this change...

Pass less-unsafe parameters to Darwin's NSLinkModule.  While this change prevents a backend coredump when loading a broken shlib, it also seems to suppress the error messages that might help debug the problem :-(.  Perhaps someone would like to supply a 'linkEdit' hook to get the best of both worlds.  But in the meantime, backend crash trumps error reporting.

src/backend/port/dynloader/darwin.c

@@ -3,7 +3,7 @@
  * available with a PostgreSQL-compatible license.	Kudos Wilfredo
  * Snchez <wsanchez@apple.com>.
  *
- * $Header: /cvsroot/pgsql/src/backend/port/dynloader/darwin.c,v 1.5 2001/03/22 03:59:42 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/port/dynloader/darwin.c,v 1.6 2002/10/01 05:06:44 tgl Exp $
  */
 
 #include "postgres.h"
@@ -18,7 +18,9 @@ pg_dlopen(char *filename)
 	if (NSCreateObjectFileImageFromFile(filename, &image) !=
 		NSObjectFileImageSuccess)
 		return NULL;
-	return NSLinkModule(image, filename, TRUE);
+	return NSLinkModule(image, filename,
+			    NSLINKMODULE_OPTION_BINDNOW |
+			    NSLINKMODULE_OPTION_RETURN_ON_ERROR);
 }
 
 void