code.delx.au - gnu-emacs/blob - src/m/pmax.h

   1 /* Machine description file for DEC MIPS machines.  */
   2
   3 #include "mips.h"
   4
   5 /* The following line tells the configuration script what sort of
   6    operating system this machine is likely to run.
   7    USUAL-OPSYS="note"
   8
   9 NOTE-START
  10 Use -opsystem=osf1 for OSF/1, and -opsystem=bsd4-3 otherwise.
  11 NOTE-END  */
  12
  13 #undef BIG_ENDIAN
  14 #undef LIB_STANDARD
  15 #undef START_FILES
  16 #undef COFF
  17 #undef TERMINFO
  18 #define MAIL_USE_FLOCK
  19 #define HAVE_UNION_WAIT
  20
  21 /* This line starts being needed with ultrix 4.0.  */
  22 /* You must delete it for version 3.1.  */
  23 #define START_FILES pre-crt0.o /usr/lib/cmplrs/cc/crt0.o
  24
  25 /* Supposedly the following will overcome a kernel bug.  */
  26 #undef LD_SWITCH_MACHINE
  27 #undef DATA_START
  28 #define DATA_START 0x10000000
  29 #define DATA_SEG_BITS 0x10000000
  30
  31 #if 0
  32 /* I don't see any such conflict in Ultrix 4.2, 4.2a, or 4.3.  And
  33    the relocating allocator is a real win.  -JimB  */
  34
  35 /* In Ultrix 4.1, XvmsAlloc.o in libX11.a seems to insist
  36    on defining malloc itself.  This should avoid conflicting with it.  */
  37 #define SYSTEM_MALLOC
  38 #endif
  39
  40 /* Override what m-mips.h says about this.  */
  41 #undef LINKER
  42
  43 /* Ultrix 4.2 (perhaps also 4.1) implements O_NONBLOCK
  44    but it doesn't work right;
  45    and it causes hanging in read_process_output.  */
  46 #define BROKEN_O_NONBLOCK
  47
  48 #ifdef OSF1
  49 #undef C_ALLOCA
  50 #define HAVE_ALLOCA
  51 #endif
  52
  53 /* mcc@timessqr.gc.cuny.edu says this makes Emacs work with DECnet.
  54    If you don't have DECnet and this causes trouble,
  55    just delete the definition.  */
  56 #define LIBS_MACHINE -ldnet
  57
  58 /* mcc@timessqr.gc.cuny.edu says it is /vmunix on Ultrix 4.2a.  */
  59 #undef KERNEL_FILE
  60 #define KERNEL_FILE "/vmunix"