Drop support for discontinued DGUX

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit bc58977926)

dcop/KDE-ICE/Xtranssock.c

@@ -94,7 +94,7 @@ from The Open Group.
 #include <netinet/tcp.h>
 #endif /* !NO_TCP_H */
 #include <sys/ioctl.h>
-#if (defined(SVR4) || defined(__SVR4)) && !defined(DGUX)
+#if (defined(SVR4) || defined(__SVR4))
 #include <sys/filio.h>
 #endif
 #if (defined(i386) && defined(SYSV)) || defined(_SEQUENT_)

tdecore/malloc/malloc.c

@@ -746,7 +746,7 @@ extern Void_t*     sbrk();
 #  ifdef _SC_PAGE_SIZE
 #    define malloc_getpagesize sysconf(_SC_PAGE_SIZE)
 #  else
-#    if defined(BSD) || defined(DGUX) || defined(HAVE_GETPAGESIZE)
+#    if defined(BSD) || defined(HAVE_GETPAGESIZE)
        extern size_t getpagesize();
 #      define malloc_getpagesize getpagesize()
 #    else

tdeinit/setproctitle.h

@@ -33,14 +33,6 @@
 # define SPT_PADCHAR    '\0'    /* pad process title with nulls */
 #endif
 
-#ifdef DGUX_5_4_2
-# define DGUX           1
-#endif
-
-#ifdef  DGUX
-# define SPT_TYPE       SPT_NONE        /* don't use setproctitle */
-#endif
-
 /*
 **  Apple Rhapsody
 **      Contributed by Wilfredo Sanchez <wsanchez@apple.com>