src/s/freebsd.h

   1 /* s/ file for freebsd system.  */
   2
   3 /* Get the correct __FreeBSD_version, even if this is before that was
   4    defined. */
   5 #ifndef __FreeBSD_version
   6 #ifndef __FreeBSD__
   7 #define __FreeBSD_version 199401
   8 #elif __FreeBSD__ == 1
   9 #define __FreeBSD_version 199405
  10 #else
  11 #include <osreldate.h>
  12 #endif
  13 #endif /* !defined __FreeBSD_version */
  14
  15 /* '__FreeBSD__' is defined by the preprocessor on FreeBSD-1.1 and up.
  16    Earlier versions do not have shared libraries, so inhibit them.
  17    You can inhibit them on newer systems if you wish
  18    by defining NO_SHARED_LIBS.  */
  19 #ifndef __FreeBSD__
  20 #define NO_SHARED_LIBS
  21 #endif
  22
  23
  24 #if 0 /* This much, alone, seemed sufficient as of 19.23.
  25          But it seems better to be independent of netbsd.h.  */
  26 #include "netbsd.h"
  27
  28 #undef LIB_GCC
  29 #define LIB_GCC -lgcc
  30 #undef NEED_ERRNO
  31 #endif /* 0 */
  32
  33
  34 /* Get most of the stuff from bsd4.3 */
  35 #include "bsd4-3.h"
  36
  37 /* For mem-limits.h. */
  38 #define BSD4_2
  39
  40 /* These aren't needed, since we have getloadavg.  */
  41 #undef KERNEL_FILE
  42 #undef LDAV_SYMBOL
  43
  44 #define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_p - (FILE)->_bf._base)
  45
  46 #define LIBS_DEBUG
  47 #define LIBS_SYSTEM -lutil
  48 #define LIBS_TERMCAP -ltermcap
  49
  50 #define SYSV_SYSTEM_DIR
  51
  52 /* freebsd has POSIX-style pgrp behavior. */
  53 #undef BSD_PGRPS
  54 #define GETPGRP_NO_ARG
  55
  56 #ifdef __ELF__
  57
  58 #define LD_SWITCH_SYSTEM
  59 #define START_FILES pre-crt0.o /usr/lib/crt1.o /usr/lib/crti.o /usr/lib/crtbegin.o
  60 #define UNEXEC unexelf.o
  61 #define LIB_STANDARD -lgcc -lc -lgcc /usr/lib/crtend.o /usr/lib/crtn.o
  62 #undef LIB_GCC
  63 #define LIB_GCC
  64
  65 #else /* not __ELF__ */
  66
  67 #ifndef NO_SHARED_LIBS
  68 #define LD_SWITCH_SYSTEM -e start -dc
  69 #define HAVE_TEXT_START         /* No need to define `start_of_text'. */
  70 #if __FreeBSD_version >= 300002
  71 #define START_FILES pre-crt0.o /usr/lib/aout/crt0.o
  72 #else /* __FreeBSD_version < 300002 */
  73 #define START_FILES pre-crt0.o /usr/lib/crt0.o
  74 #endif /* __FreeBSD_version < 300002 */
  75 #define UNEXEC unexsunos4.o
  76 #define RUN_TIME_REMAP
  77 #define LIB_GCC -lgcc
  78
  79 #ifndef N_TRELOFF
  80 #define N_PAGSIZ(x) __LDPGSZ
  81 #define N_BSSADDR(x) (N_ALIGN(x, N_DATADDR(x)+x.a_data))
  82 #define N_TRELOFF(x) N_RELOFF(x)
  83 #endif
  84 #else /* NO_SHARED_LIBS */
  85 #ifdef __FreeBSD__  /* shared libs are available, but the user prefers
  86                      not to use them.  */
  87 #define LD_SWITCH_SYSTEM -Bstatic
  88 #define A_TEXT_OFFSET(x) (sizeof (struct exec))
  89 #define A_TEXT_SEEK(hdr) (N_TXTOFF(hdr) + A_TEXT_OFFSET(hdr))
  90 #endif /* __FreeBSD__ */
  91 #endif /* NO_SHARED_LIBS */
  92
  93 #endif /* not __ELF__ */
  94
  95 #define HAVE_WAIT_HEADER
  96 #define HAVE_GETLOADAVG
  97 #if 0
  98 #define HAVE_GETPAGESIZE  /* configure now puts this in config.h */
  99 #endif
 100 #define HAVE_TERMIOS
 101 #define NO_TERMIO
 102 #define DECLARE_GETPWUID_WITH_UID_T
 103
 104 /* freebsd uses OXTABS instead of the expected TAB3. */
 105 #define TABDLY OXTABS
 106 #define TAB3 OXTABS
 107
 108 /* this silences a few compilation warnings */
 109 #undef BSD_SYSTEM
 110 #if __FreeBSD__ == 1
 111 #define BSD_SYSTEM 199103
 112 #elif __FreeBSD__ == 2
 113 #define BSD_SYSTEM 199306
 114 #elif __FreeBSD__ >= 3
 115 #define BSD_SYSTEM 199506
 116 #endif
 117
 118 #define WAITTYPE int
 119 /* get this since it won't be included if WAITTYPE is defined */
 120 #ifdef emacs
 121 #include <sys/wait.h>
 122 #endif
 123 #define WRETCODE(w) (_W_INT(w) >> 8)
 124
 125 /* Needed to avoid hanging when child process writes an error message
 126    and exits -- enami tsugutomo <enami@ba2.so-net.or.jp>.  */
 127 #define vfork fork
 128
 129 /* Don't close pty in process.c to make it as controlling terminal.
 130    It is already a controlling terminal of subprocess, because we did
 131    ioctl TIOCSCTTY.  */
 132 #define DONT_REOPEN_PTY
 133
 134 /* CLASH_DETECTION is defined in bsd4-3.h.
 135    In FreeBSD 2.1.5 (and other 2.1.x), this results useless symbolic links
 136    remaining in /tmp or other directories with +t bit.
 137    To avoid this problem, you could #undef it to use no file lock. */
 138 /* #undef CLASH_DETECTION */
 139
 140 /* If the system's imake configuration file defines `NeedWidePrototypes'
 141    as `NO', we must define NARROWPROTO manually.  Such a define is
 142    generated in the Makefile generated by `xmkmf'.  If we don't
 143    define NARROWPROTO, we will see the wrong function prototypes
 144    for X functions taking float or double parameters.  */
 145
 146 #define NARROWPROTO 1
 147
 148 /* The following is needed to make `configure' find Xpm and Xaw3d
 149    headers, which are checked for with AC_CHECK_HEADER.  */
 150
 151 #define C_SWITCH_SYSTEM -I /usr/X11R6/include