* configure.in: Add support for GNU/Linux on SuperH.

* MACHINES: Add section for SuperH.
* m/sh3.h: New file, machine description for SuperH.

ChangeLog

+2008-10-18  Ulrich Mueller  <ulm@gentoo.org>
+
+	* configure.in: Add support for GNU/Linux on SuperH.
+
 2008-10-12  Andreas Schwab  <schwab@suse.de>
 
 	* configure.in: Only check for m17n-flt if HAVE_LIBOTF.

configure

@@ -2650,6 +2650,11 @@ _ACEOF
     machine=xtensa opsys=gnu-linux
     ;;
+  ## SuperH Linux-based GNU system
+  sh[34]*-*-linux-gnu* )
+    machine=sh3 opsys=gnu-linux
+  ;;
+
   * )
     unported=yes
   ;;

configure.in

@@ -540,6 +540,11 @@ dnl see the `changequote' comment above.
     machine=xtensa opsys=gnu-linux
     ;;
 
+  ## SuperH Linux-based GNU system
+  sh[34]*-*-linux-gnu* )
+    machine=sh3 opsys=gnu-linux
+  ;;
+
   * )
     unported=yes
   ;;

etc/ChangeLog

+2008-10-18  Ulrich Mueller  <ulm@gentoo.org>
+
+	* MACHINES: Add section for SuperH.
+
 2008-10-12  Carsten Dominik  <dominik@science.uva.nl>
 
 	* refcards/orgcard.tex: Add description for attachments, plus

etc/MACHINES

@@ -426,6 +426,12 @@ Sun 4 (sparc), Sun 386 (sparc-sun-solaris2.*,
   (now remapped as part of the text).  These are never
   swapped in.
 
+SuperH (sh[34]*-*-linux-gnu)
+
+  Emacs 23.0.60 was reported to work on GNU/Linux (October 2008).
+  Tested on a little-endian sh4 system (cpu type SH7751R) running
+  Gentoo Linux 2008.0.
+
 Tadpole 68K (m68k-tadpole-sysv)
 
   Changes merged in 19.1.

src/ChangeLog

+2008-10-18  Ulrich Mueller  <ulm@gentoo.org>
+
+	* m/sh3.h: New file, machine description for SuperH.
+
 2008-10-17  Martin Rudalics  <rudalics@gmx.at>
 	* window.c (Fsplit_window): Rename arg horflag to horizontal.

src/m/sh3.h

+/* Machine description file for SuperH. */
+
+#ifdef __BIG_ENDIAN__
+# define WORDS_BIG_ENDIAN
+#endif
+
+#define NO_ARG_ARRAY