Simplify Irix build, remove iris4d.h file.

* configure.in: Remove reference to iris4d.h.

* src/m/iris4d.h: Remove file, move contents ...
* src/s/irix6-5.h: ... here.

ChangeLog

+2011-07-07  Dan Nicolaescu  <dann@ics.uci.edu>
+
+	* configure.in: Remove reference to iris4d.h.
+
 2011-07-05  Jan Djärv  <jan.h.d@swipnet.se>
 
 	* configure.in (HAVE_GCONF): Allow both HAVE_GCONF and HAVE_GSETTINGS.

configure.in

@@ -536,7 +536,7 @@ case "${canonical}" in
   ## Silicon Graphics machines
   ## Iris 4D
   mips-sgi-irix6.5 )
-    machine=iris4d opsys=irix6-5
+    opsys=irix6-5
     # Without defining _LANGUAGE_C, things get masked out in the headers
     # so that, for instance, grepping for `free' in stdlib.h fails and
     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).

src/ChangeLog

+2011-07-07  Dan Nicolaescu  <dann@ics.uci.edu>
+
+	* m/iris4d.h: Remove file, move contents ...
+	* s/irix6-5.h: ... here.
+
 2011-07-06  Paul Eggert  <eggert@cs.ucla.edu>
 
 	Remove unportable assumption about struct layout (Bug#8884).

src/m/iris4d.h

-/* machine description file for Iris-4D machines.  Use with s/irix*.h.
-
-Copyright (C) 1987, 2001-2011  Free Software Foundation, Inc.
-
-This file is part of GNU Emacs.
-
-GNU Emacs is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
-
-GNU Emacs is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
-
-
-/* DATA_SEG_BITS forces extra bits to be or'd in with any pointers which
-   were stored in a Lisp_Object (as Emacs uses fewer than 32 bits for
-   the value field of a LISP_OBJECT).  */
-#define DATA_START 0x10000000
-#define DATA_SEG_BITS	0x10000000
-

src/s/irix6-5.h

@@ -96,3 +96,10 @@ char *_getpty();
 /* Tested on Irix 6.5.  SCM worked on earlier versions.  */
 #define GC_SETJMP_WORKS 1
 #define GC_MARK_STACK GC_MAKE_GCPROS_NOOPS
+
+
+/* DATA_SEG_BITS forces extra bits to be or'd in with any pointers which
+   were stored in a Lisp_Object (as Emacs uses fewer than 32 bits for
+   the value field of a LISP_OBJECT).  */
+#define DATA_START 0x10000000
+#define DATA_SEG_BITS	0x10000000