* systty.h: Remove code for Aix on 386, unsupported platform.

* s/ms-w32.h: Remove boilerplate comments.
(fcloseall, fgetchar, flushall, fputchar, getw, putw): Remove, unused.

* s/gnu-linux.h (TERM): Remove support.
(HAVE_SYSVIPC): Remove, unused.
(A_TEXT_OFFSET, A_TEXT_SEEK, ADJUST_EXEC_HEADER): Remove, not used
for this system.

* process.c: Remove support for IRIS, unused.
Remove support for TERM, not relevant anymore.

* unexalpha.c (DEFAULT_ENTRY_ADDRESS): Remove, replace the only
used with the definition.

* s/aix4-2.h (static): Do not undef.

* m/ibmrs6000.h: Remove code depending on USG5_4, this file is
only used on Aix.
(HAVE_SYSVIPC): Remove, unused.

* m/hp800.h (CANNOT_DUMP): Do not undef.

* m/alpha.h: Fix comment.

* s/usg5-4.h (HAVE_SYSVIPC): Remove, unused.
(USG_SHARED_LIBRARIES): Remove, only used in unexec.c which is not
used by this configuration.
* emacs.c: Remove code depending on USG_SHARED_LIBRARIES.
* unexec.c: Remove code depending on HPUX and
USG_SHARED_LIBRARIES, not used with this file.  Remove code
depending on IRIS, unused.  Remove if 0-ed code.

3 files changed, 1 insertions, 38 deletions

diff --git a/src/m/alpha.h b/src/m/alpha.h
index 2bd42bdf9d2..81863d58b2a 100644
--- a/src/m/alpha.h
+++ b/src/m/alpha.h
@@ -44,9 +44,7 @@ NOTE-END
 #define NO_ARG_ARRAY
 
 /* Now define a symbol for the cpu type, if your compiler
-   does not define it automatically:
-   Ones defined so far include vax, m68000, ns16000, pyramid,
-   orion, tahoe, APOLLO and many others */
+   does not define it automatically.  */
 
 /* __alpha defined automatically */
 
diff --git a/src/m/hp800.h b/src/m/hp800.h
index 717265d5681..8b3d3f089d3 100644
--- a/src/m/hp800.h
+++ b/src/m/hp800.h
@@ -45,12 +45,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #if defined (__hpux) || defined (GNU_LINUX)
 
-/* Define CANNOT_DUMP on machines where unexec does not work.
-   Then the function dump-emacs will not be defined
-   and temacs will do (load "loadup") automatically unless told otherwise.  */
-
-#undef CANNOT_DUMP
-
 /* Define NO_REMAP if memory segmentation makes it not work well
    to change the boundary between the text section and data section
    when Emacs is dumped.  If you define this, the preloaded Lisp
diff --git a/src/m/ibmrs6000.h b/src/m/ibmrs6000.h
index 35f464caa21..7268cf64441 100644
--- a/src/m/ibmrs6000.h
+++ b/src/m/ibmrs6000.h
@@ -41,13 +41,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define IBMR2AIX
 
-/* Define CANNOT_DUMP on machines where unexec does not work.
-   Then the function dump-emacs will not be defined
-   and temacs will do (load "loadup") automatically unless told otherwise.  */
-#ifdef USG5_4
-#define CANNOT_DUMP
-#endif
-
 #ifndef UNEXEC
 #define UNEXEC unexaix.o
 #endif
@@ -73,24 +66,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #define DATA_SEG_BITS 0
 #endif
 
-#ifdef CANNOT_DUMP
-/* Define shared memory segment symbols */
-
-#define PURE_SEG_BITS 0x30000000
-
-/* Use shared memory.  */
-/* This is turned off because it does not always work.  See etc/AIX.DUMP.  */
-/* #define HAVE_SHM */
-#endif /* CANNOT_DUMP */
-
-#define N_BADMAG(x) BADMAG(x)
-#define N_TXTOFF(x) A_TEXTPOS(x)
-#define N_SYMOFF(x) A_SYMPOS(x)
-#define A_TEXT_OFFSET(HDR) sizeof(HDR)
-/* #define ADJUST_EXEC_HEADER \
-    unexec_text_start += sizeof(hdr); \
-    unexec_data_start = ohdr.a_dbase
-*/
 #undef ADDR_CORRECT
 #define ADDR_CORRECT(x) ((int)(x))
 
@@ -118,7 +93,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #endif
 
 #define START_FILES
-#define HAVE_SYSVIPC
 /*** BUILD 9008 - FIONREAD problem still exists in X-Windows. ***/
 #define BROKEN_FIONREAD
 /* As we define BROKEN_FIONREAD, SIGIO will be undefined in systty.h.
@@ -130,9 +104,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #define BROKEN_SIGPTY
 #define BROKEN_SIGPOLL
 
-/* Don't try to include ptem.h.  */
-#undef NEED_PTEM_H
-
 #define ORDINARY_LINK
 
 #ifndef USG5_4