Remove empty machine description files

* configure.in: Remove reference to removed machine description
files and allow $machine and $machfile to be empty.  Substitute
M_FILE/S_FILE instead of machfile/opsysfile.

* msdos/sed1v2.inp (M_FILE, S_FILE): Add $(srcdir)/ prefix.

* Makefile.in (M_FILE): Substitute @M_FILE@ instead of @machfile@.
(S_FILE): Substitute @S_FILE@ instead of @opsysfile@.
* src/m/arm.h, src/m/sh3.h, src/m/xtensa.h: Remove files.

2 files changed, 6 insertions, 2 deletions

diff --git a/msdos/ChangeLog b/msdos/ChangeLog
index 4f466436ecc..10cb8c7daed 100644
--- a/msdos/ChangeLog
+++ b/msdos/ChangeLog
@@ -1,3 +1,7 @@
+2010-12-04  Andreas Schwab  <schwab@linux-m68k.org>
+
+        * sed1v2.inp (M_FILE, S_FILE): Add $(srcdir)/ prefix.
+
 2010-10-15  Eli Zaretskii  <eliz@gnu.org>
 
         * sed1v2.inp: Use $(..) instead of ${..} in all edit commands.
diff --git a/msdos/sed1v2.inp b/msdos/sed1v2.inp
index 19f0d9dc0a9..e2384ef2866 100644
--- a/msdos/sed1v2.inp
+++ b/msdos/sed1v2.inp
@@ -128,8 +128,8 @@ s/\.h\.in/.h-in/
 /^DEPFLAGS *=/s/@DEPFLAGS@//
 /^MKDEPDIR *=/s/@MKDEPDIR@//
 /^version *=/s/@[^@\n]*@//
-/^M_FILE *=/s!@[^@\n]*@!m/intel386.h!
-/^S_FILE *=/s!@[^@\n]*@!s/msdos.h!
+/^M_FILE *=/s!@M_FILE@!$(srcdir)/m/intel386.h!
+/^S_FILE *=/s!@S_FILE@!$(srcdir)/s/msdos.h!
 /^@SET_MAKE@$/s/@SET_MAKE@//
 /^.\$(libsrc)\/make-docfile.*>/s!make-docfile!make-docfile -o ../etc/DOC!
 /^.\$(libsrc)\/make-doc/s!>.*$!!