src/s/sunos4-0.h

   1 #include "bsd4-2.h"
   2
   3 #ifndef SUNOS4
   4 #define SUNOS4
   5 #endif
   6
   7 #if 0  /* This may have been needed for an earlier version of Sun OS 4.
   8           It seems to cause warnings in 4.0.3 and 4.1.  */
   9 #define O_NDELAY        FNDELAY /* Non-blocking I/O (4.2 style) */
  10 #endif
  11
  12 /* We use the Sun syntax -Bstatic unconditionally, because even when we
  13    use GCC, these are passed through to the linker, not handled by GCC
  14    directly.  */
  15 #define LD_SWITCH_SYSTEM -Bstatic
  16
  17 /* We use this for linking temacs, but not for other programs
  18    or for tests in configure.  */
  19 #define LD_SWITCH_SYSTEM_TEMACS -e __start
  20
  21 /* In SunOS 4.1, a static function called by tzsetwall reportedly
  22    clears the byte just past an eight byte region it mallocs, corrupting
  23    GNU malloc's memory pool.  But Sun's malloc doesn't seem to mind. */
  24
  25 #define SYSTEM_MALLOC
  26
  27 /* SunOS 4.x cc <stdlib.h> declares abort and free to return int.  */
  28
  29 #ifndef __STDC__
  30 #define ABORT_RETURN_TYPE int
  31 #define FREE_RETURN_TYPE int
  32 #endif
  33
  34 #ifdef __GNUC__
  35 /* We must define mkdir with this arg prototype
  36    to match GCC's fixed stat.h.  */
  37 #define MKDIR_PROTOTYPE \
  38   int mkdir (const char *dpath, unsigned short dmode)
  39 #endif /* __GNUC__ */
  40
  41 /* Must use the system's termcap, if we use any termcap.
  42    It does special things.  */
  43
  44 #ifndef TERMINFO
  45 #define LIBS_TERMCAP -ltermcap
  46 #endif
  47
  48 #define GC_SETJMP_WORKS 1
  49 #define GC_MARK_STACK GC_MAKE_GCPROS_NOOPS