freebsd.h

/* s/ file for freebsd system.  */

/* Get the correct __FreeBSD_version, even if this is before that was
   defined. */
#ifndef __FreeBSD__
#define __FreeBSD_version 199401
#elif __FreeBSD__ == 1
#define __FreeBSD_version 199405
#else
#include <osreldate.h>
#endif

/* '__FreeBSD__' is defined by the preprocessor on FreeBSD-1.1 and up.
   Earlier versions do not have shared libraries, so inhibit them.
   You can inhibit them on newer systems if you wish
   by defining NO_SHARED_LIBS.  */
#ifndef __FreeBSD__
#define NO_SHARED_LIBS
#endif


#if 0 /* This much, alone, seemed sufficient as of 19.23.
	 But it seems better to be independent of netbsd.h.  */
#include "netbsd.h"

#undef LIB_GCC
#define LIB_GCC -lgcc
#undef NEED_ERRNO
#endif /* 0 */


/* Get most of the stuff from bsd4.3 */
#include "bsd4-3.h"

/* For mem-limits.h. */
#define BSD4_2

/* These aren't needed, since we have getloadavg.  */
#undef KERNEL_FILE
#undef LDAV_SYMBOL

#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_p - (FILE)->_bf._base)

#define LIBS_DEBUG
#define LIBS_SYSTEM -lutil
#define LIBS_TERMCAP -ltermcap

#define SYSV_SYSTEM_DIR

/* freebsd has POSIX-style pgrp behavior. */
#undef BSD_PGRPS
#define GETPGRP_NO_ARG

#ifdef __ELF__

#define LD_SWITCH_SYSTEM
#define START_FILES pre-crt0.o /usr/lib/crt1.o /usr/lib/crti.o /usr/lib/crtbegin.o
#define UNEXEC unexelf.o
#define LIB_STANDARD -lgcc -lc -lgcc /usr/lib/crtend.o /usr/lib/crtn.o
#undef LIB_GCC
#define LIB_GCC

#else /* not __ELF__ */

#ifndef NO_SHARED_LIBS
#define LD_SWITCH_SYSTEM -e start -dc
#define HAVE_TEXT_START		/* No need to define `start_of_text'. */
#if __FreeBSD_version >= 300002
#define START_FILES pre-crt0.o /usr/lib/aout/crt0.o
#else /* __FreeBSD_version < 300002 */
#define START_FILES pre-crt0.o /usr/lib/crt0.o
#endif /* __FreeBSD_version < 300002 */
#define UNEXEC unexsunos4.o
#define RUN_TIME_REMAP
#define LIB_GCC -lgcc

#ifndef N_TRELOFF
#define N_PAGSIZ(x) __LDPGSZ
#define N_BSSADDR(x) (N_ALIGN(x, N_DATADDR(x)+x.a_data))
#define N_TRELOFF(x) N_RELOFF(x)
#endif
#else /* NO_SHARED_LIBS */
#ifdef __FreeBSD__  /* shared libs are available, but the user prefers
                     not to use them.  */
#define LD_SWITCH_SYSTEM -Bstatic
#define A_TEXT_OFFSET(x) (sizeof (struct exec))
#define A_TEXT_SEEK(hdr) (N_TXTOFF(hdr) + A_TEXT_OFFSET(hdr))
#endif /* __FreeBSD__ */
#endif /* NO_SHARED_LIBS */

#endif /* not __ELF__ */

#define HAVE_WAIT_HEADER
#define HAVE_GETLOADAVG
/*#define HAVE_GETPAGESIZE  /* configure now puts this in config.h */
#define HAVE_TERMIOS
#define NO_TERMIO
#define DECLARE_GETPWUID_WITH_UID_T

/* freebsd uses OXTABS instead of the expected TAB3. */
#define TABDLY OXTABS
#define TAB3 OXTABS

/* this silences a few compilation warnings */
#undef BSD_SYSTEM
#if __FreeBSD__ == 1
#define BSD_SYSTEM 199103
#elif __FreeBSD__ == 2
#define BSD_SYSTEM 199306
#elif __FreeBSD__ == 3
#define BSD_SYSTEM 199506
#endif

#define WAITTYPE int
/* get this since it won't be included if WAITTYPE is defined */
#ifdef emacs
#include <sys/wait.h>
#endif
#define WRETCODE(w) (_W_INT(w) >> 8)

/* Needed to avoid hanging when child process writes an error message
   and exits -- enami tsugutomo <enami@ba2.so-net.or.jp>.  */
#define vfork fork

/* Don't close pty in process.c to make it as controlling terminal.
   It is already a controlling terminal of subprocess, because we did
   ioctl TIOCSCTTY.  */
#define DONT_REOPEN_PTY

/* CLASH_DETECTION is defined in bsd4-3.h.
   In FreeBSD 2.1.5 (and other 2.1.x), this results useless symbolic links
   remaining in /tmp or other directories with +t bit.
   To avoid this problem, you could #undef it to use no file lock. */
/* #undef CLASH_DETECTION */