Remove dead ports

Remove the following ports:

- dgux
- nextstep
- sunos4
- svr4
- ultrix4
- univel

These are obsolete and not worth rescuing.  In most cases, there is
circumstantial evidence that they wouldn't work anymore anyway.

1 files changed, 0 insertions, 49 deletions

diff --git a/src/backend/port/dynloader/univel.h b/src/backend/port/dynloader/univel.h
deleted file mode 100644
index 53a705cc34b..00000000000
--- a/src/backend/port/dynloader/univel.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * src/backend/port/dynloader/univel.h
- *
- *-------------------------------------------------------------------------
- *
- * univel.h
- *	  port-specific prototypes for Intel x86/UNIXWARE
- *
- *
- * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * univel.h,v 1.2 1995/03/17 06:40:18 andrew Exp
- *
- *-------------------------------------------------------------------------
-  */
-#ifndef PORT_PROTOS_H
-#define PORT_PROTOS_H
-
-#include <dlfcn.h>
-#include "utils/dynamic_loader.h"	/* pgrminclude ignore */
-
-/*
- * Dynamic Loader on Intel x86/Intel SVR4.
- *
- * this dynamic loader uses the system dynamic loading interface for shared
- * libraries (ie. dlopen/dlsym/dlclose). The user must specify a shared
- * library as the file to be dynamically loaded.
- */
-
-/*
- * In some older systems, the RTLD_NOW flag isn't defined and the mode
- * argument to dlopen must always be 1.  The RTLD_GLOBAL flag is wanted
- * if available, but it doesn't exist everywhere.
- * If it doesn't exist, set it to 0 so it has no effect.
- */
-#ifndef RTLD_NOW
-#define RTLD_NOW 1
-#endif
-#ifndef RTLD_GLOBAL
-#define RTLD_GLOBAL 0
-#endif
-
-#define pg_dlopen(f)	dlopen((f), RTLD_NOW | RTLD_GLOBAL)
-#define pg_dlsym		dlsym
-#define pg_dlclose		dlclose
-#define pg_dlerror		dlerror
-
-#endif   /* PORT_PROTOS_H */