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- /* 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, 1994 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 2, 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; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- /* Synched up with: FSF 19.29. */
-
- /* The following line tells the configuration script what sort of
- operating system this machine is likely to run.
- USUAL-OPSYS="usg5-3" */
-
- /* Define WORD_MACHINE if addresses and such have
- * to be corrected before they can be used as byte counts. */
-
- /* #define WORD_MACHINE */
-
- /* 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 */
-
- #define m68000
- #define MOTOROLA_DELTA
-
- /* Use type int rather than a union, to represent Lisp_Object */
- /* This is desirable for most machines. */
-
- #define NO_UNION_TYPE
-
- /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
- the bit field into an int. In other words, if bit fields
- are always unsigned.
-
- If you use NO_UNION_TYPE, this flag does not matter. */
-
- #define EXPLICIT_SIGN_EXTEND
-
- /* Data type of load average, as read out of kmem. */
-
- /* #define LOAD_AVE_TYPE long */
-
- /* Convert that into an integer that is 100 for a load average of 1.0 */
-
- /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */
-
- /* 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. */
-
- /* #define CANNOT_DUMP */
-
- /* Define VIRT_ADDR_VARIES if the virtual addresses of
- pure and impure space as loaded can vary, and even their
- relative order cannot be relied on.
-
- Otherwise Emacs assumes that data space precedes text space,
- numerically. */
-
- /* #define VIRT_ADDR_VARIES */
-
- /* Define C_ALLOCA if this machine does not support a true alloca
- and the one written in C should be used instead.
- Define HAVE_ALLOCA to say that the system provides a properly
- working alloca function and it should be used.
- Define neither one if an assembler-language alloca
- in the file alloca.s should be used. */
-
- /* #define C_ALLOCA */
- /* #define HAVE_ALLOCA */
-
- /* 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
- code will not be sharable; but that's better than failing completely. */
-
- #define NO_REMAP
-
- /* Some really obscure 4.2-based systems (like Sequent DYNIX)
- * do not support asynchronous I/O (using SIGIO) on sockets,
- * even though it works fine on tty's. If you have one of
- * these systems, define the following, and then use it in
- * config.h (or elsewhere) to decide when (not) to use SIGIO.
- *
- * You'd think this would go in an operating-system description file,
- * but since it only occurs on some, but not all, BSD systems, the
- * reasonable place to select for it is in the machine description
- * file.
- */
-
- /* #define NO_SOCK_SIGIO */
-
-
- /* Machine specific stuff */
- #define HAVE_PTYS
- #define SYSV_PTYS
- #define SIGNALS_VIA_CHARACTERS
- #define BROKEN_CLOSEDIR /* builtin closedir is interruptible */
- #define memmove(t,f,s) safe_bcopy(f,t,s) /* for overlapping copies */
- #undef KERNEL_FILE
- #define KERNEL_FILE "/sysv68"
- #undef LDAV_SYMBOL
-
- /* The standard C library is -lc881, not -lc.
- 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
- #define LIBS_TERMCAP -lcurses
- #define LIBS_SYSTEM -lbsd
-
- #ifdef HAVE_X_WINDOWS
- # define HAVE_RANDOM
- # define HAVE_XSCREENNUMBEROFSCREEN
- # undef LIB_X11_LIB /* no shared libraries */
- # define LIB_X11_LIB -lX11
- # undef USG_SHARED_LIBRARIES /* once again, no shared libs */
- # undef LIBX11_SYSTEM /* no -lpt as usg5-3.h expects */
- # define LIBX11_SYSTEM -lnls -lnsl_s
- #endif /* HAVE_X_WINDOWS */
-
- #ifdef __GNUC__
- /* 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 */
-
- /* We are assuming here that the `true' GNU gcc has not been
- installed, and we are using the gnucc provided by Motorola. No
- support exists for compiling with GNU gcc, as I do not have it on
- my machine to try it out. -pot@cnuce.cnr.it
- If __STDC__ is defined gnucc has been called without the -traditional
- option, that is, we are inside configure. If THIS_IS_CONFIGURE is
- not defined, then configure is trying to figure out what the right
- option for real compilation are.
- Let us set -traditional, because gmalloc.c includes <stddef.h>, and
- we don't have that (as of SYSV68 R3V7). */
- # define C_SWITCH_MACHINE -mfp0ret -traditional -Dconst= -fdelayed-branch -fstrength-reduce -fno-inline -fcaller-saves
- # define LIB_GCC /lib/gnulib881
-
- #else
- /* Not __GNUC__, use the alloca in alloca.s. */
-
- /* Try to guess if we are using the Green Hills Compiler */
- # if defined mc68000 && defined MC68000
- /* Required only for use with Green Hills compiler:
- -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 -O
- # define GAP_USE_BCOPY /* *++to = *++from is inefficient */
- # define BCOPY_UPWARD_SAFE 0
- # define BCOPY_DOWNWARD_SAFE 1 /* bcopy does: mov.b (%a1)+,(%a0)+ */
- # else
- /* We are using the standard AT&T Portable C Compiler */
- # define SWITCH_ENUM_BUG
- # endif
-
- #endif /* not __GNUC__ */
-