Fix for old FreeBSD versions that don't have RTLD_GLOBAL

Author: petere

src/backend/port/dynloader/freebsd.h

@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: freebsd.h,v 1.13 2001/11/05 17:46:27 momjian Exp $
+ * $Id: freebsd.h,v 1.14 2002/02/11 21:38:11 petere Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -34,6 +34,11 @@
  * begin with an underscore is fairly tricky, and some versions of
  * NetBSD (like 1.0, and 1.0A pre June 1995) have no dlerror.)
  */
+
+#ifndef RTLD_GLOBAL
+#define RTLD_GLOBAL 0
+#endif
+
 #define		   pg_dlopen(f)    BSD44_derived_dlopen((f), RTLD_LAZY | RTLD_GLOBAL)
 #define		   pg_dlsym		   BSD44_derived_dlsym
 #define		   pg_dlclose	   BSD44_derived_dlclose