1 files changed, 65 insertions, 49 deletions

diff --git a/src/m/delta.h b/src/m/delta.h
index efccbce1f6e..3b114e32ef8 100644
--- a/src/m/delta.h
+++ b/src/m/delta.h
@@ -1,5 +1,6 @@
-/* machine description file for the Motorola delta running System V.3.X
-   tested on mvme147.
+/* Machine description file for the Motorola Delta.
+   Tested on mvme147 board using R3V7 without X.  Tested with gcc.
+   Tested on mvme167 board using R3V7 without X.  Tested with cc, gnucc, gcc.
    Copyright (C) 1986, 1993 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
@@ -59,7 +60,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 /* This is desirable for most machines.  */
 
 #define NO_UNION_TYPE 
-#define SWITCH_ENUM_BUG
 
 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
    the 24-bit bit field into an int.  In other words, if bit fields
@@ -130,9 +130,33 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 /* #define VALBITS 26
    #define GCTYPEBITS 5 */
 
+/* Undefine this if you don't want the machine slow down when a buffer
+   is modified. */
+
+#define CLASH_DETECTION
+
+/* configure fails to find these two.  */
+
+#define HAVE_RANDOM
+#define HAVE_XSCREENNUMBEROFSCREEN
+
+/* pearce@ll.mit.edu says this is needed.  */
+
+#define BROKEN_FIONREAD
+
+/* No shared X library.  */
+
+#undef LIB_X11_LIB
+#define LIB_X11_LIB -lX11
+
+/* We have no 'pt' library as usg5-3.h expects.  */
+#undef LIBX11_SYSTEM
+#define LIBX11_SYSTEM -lnls -lnsl_s
+
+#undef USG_SHARED_LIBRARIES
+
 /* Machine specific stuff */
 
-#define BSTRING
 #define HAVE_PTYS
 #define SYSV_PTYS
 #define HAVE_SELECT
@@ -140,15 +164,20 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #define HAVE_UNISTD_H
 #define HAVE_TIMEVAL
 #define SIGNALS_VIA_CHARACTERS
-#define memmove memcpy          /* memmove not provided until R3V7 */
+#define memmove safe_bcopy
 #undef KERNEL_FILE
 #define KERNEL_FILE "/sysv68"
 #undef LDAV_SYMBOL
+#ifdef SIGIO
+ /* R3V7 has SIGIO, but interrupt input does not work yet.
+    Let's go on with cbreak code. */
+/* # define INTERRUPT_INPUT */
+#endif
 
 /* The standard C library is -lc881, not -lc.
    -lbsd brings sigblock and sigsetmask.
-   DO NOT USE -lPW. That version of alloca is broken, at last until version
-   R3V7. -riku@field.fi -pot@cnuce.cnr.it. */
+   DO NOT USE -lPW. That version of alloca is broken in versions R3V5,
+   R3V6, R3V7. -riku@field.fi -pot@cnuce.cnr.it. */
 
 #define LIB_STANDARD -lc881
 #define LIB_MATH -lm881
@@ -157,24 +186,41 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #undef sigsetmask
 
 #ifdef HAVE_X_WINDOWS
-/* not sure if this makes sense any more */
-/* debug switches enabled because of some difficulties w/X11 */
+/* I have not tested X, but I think these are obsolete, so let's
+   commment them -pot@cnuce.cnr.it */
+/* debug switches enabled because of some difficulties w/X11
 # define C_DEBUG_SWITCH -g
 # define OBJECTS_MACHINE -lg
 # define C_OPTIMIZE_SWITCH
 # define CANNOT_DUMP
-/*# define XDEBUG*/
-# define X11
+# define XDEBUG */
 /* X library is in 'nonstandard' location. */
-# define LD_SWITCH_MACHINE -L/usr/lib/X11/
+/* This should be taken care of by configure -pot@cnuce.cnr.it
+# define LD_SWITCH_MACHINE -L/usr/lib/X11/ */
 #endif /* HAVE_X_WINDOWS */
 
 #ifdef __GNUC__
- /* Use builtin one. Also be sure that no other ones are tried out. */
+ /* Use builtin alloca. Also be sure that no other ones are tried out. */
 # define alloca __builtin_alloca
 # define HAVE_ALLOCA
+ /* Union lisp objects do not yet work as of 19.15. */
+/* # undef NO_UNION_TYPE */
+
+/* There are three ways to use the gnucc provided with R3V7.  Either
+   link /bin/ccd/cc to /bin/cc and then configure (supposing that CC
+   is unset or set to cc).  Or configure like this: `CC=/bin/ccd/cc
+   configure', or else configure like this: `CC=gnucc configure'. */
+
+# ifdef __STDC__
+ /* Compiling with gnucc (not through ccd).  This means -traditional is
+    not set.  Let us set it, because I didn't manage yet to make it
+    compile without -traditional. -pot@cnuce.cnr.it. */
+#  define C_SWITCH_MACHINE -traditional -mfp0ret -m68881 -Dconst=
+#  define LIB_GCC /lib/gnulib881
+# endif /* __STDC__ */
+
 #else
- /* Not __GNUC__, use the one in alloca.s. */
+ /* Not __GNUC__, use the alloca in alloca.s. */
 
  /* Try to guess if we are using the Green Hills Compiler */
 # if defined mc68000 && defined MC68000
@@ -182,40 +228,10 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
         -ga      Because alloca relies on stack frames. This option forces
                  the Green Hills compiler to create stack frames even for
                  functions with few local variables. */
-#  define C_SWITCH_MACHINE -ga
+#  define C_SWITCH_MACHINE -ga -O
+# else
+ /* We are using the standard AT&T Portable C Compiler */
+#  define SWITCH_ENUM_BUG
 # endif
-#endif /* __GNUC__ */
-
-
-/* emacs19 beta release stuff */
-
-/* crt0.c should use the vax-bsd style of entry, with no dummy args.  */
-
-/* emacs's magic number isn't temacs's;
-   temacs is writable text (the default!).  */
-
-/* Don't use interrupt I/O */
-#undef INTERRUPT_INPUT
-#undef SIGIO
-
-#define CLASH_DETECTION
-
-/* configure fails to find these two.  */
-
-#define HAVE_RANDOM
-#define HAVE_XSCREENNUMBEROFSCREEN
-
-/* pearce@ll.mit.edu says this is needed.  */
 
-#define BROKEN_FIONREAD
-
-/* No shared X library.  */
-
-#undef LIB_X11_LIB
-#define LIB_X11_LIB -lX11
-
-/* We have no 'pt' library as usg5-3.h expects.  */
-#undef LIBX11_SYSTEM
-#define LIBX11_SYSTEM -lnls -lnsl_s
-
-#undef USG_SHARED_LIBRARIES
+#endif /* not __GNUC__ */