/* s/ file for freebsd system. */
+/* Get the correct __FreeBSD_version, even if this is before that was
+ defined. */
+#ifndef __FreeBSD_version
+#ifndef __FreeBSD__
+#define __FreeBSD_version 199401
+#elif __FreeBSD__ == 1
+#define __FreeBSD_version 199405
+#else
+#include <osreldate.h>
+#endif
+#endif /* !defined __FreeBSD_version */
+
/* '__FreeBSD__' is defined by the preprocessor on FreeBSD-1.1 and up.
- Earlier versions do not have shared libraries, so inhibit them. */
+ 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
+#if __FreeBSD_version < 400000
+#define LIBS_TERMCAP -ltermcap
+#endif
+
+#define SYSV_SYSTEM_DIR
+
+/* freebsd has POSIX-style pgrp behavior. */
+#undef BSD_PGRPS
+#define GETPGRP_NO_ARG
+
+#ifdef __ELF__
+
+#define LD_SWITCH_SYSTEM_1
+#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_1 -e start -dc -L/usr/local/lib
+#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_1 -Bstatic -L/usr/local/lib
+#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__ */
+
+/* Let `ld' find image libs and similar things in /usr/local/lib. The
+ system compiler, GCC, has apparently been modified to not look
+ there, contrary to what a stock GCC would do. */
+
+#define LD_SWITCH_SYSTEM LD_SWITCH_SYSTEM_1 -L/usr/local/lib
+
+#define HAVE_WAIT_HEADER
+#define HAVE_GETLOADAVG 1
+#if 0
+#define HAVE_GETPAGESIZE /* configure now puts this in config.h */
+#endif
+#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
+
+#if 0 /* Shouldn't be necessary and produces warnings with the
+ experimental Autoconf test. */
+#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)
+#endif
+
+/* 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 */
+
+/* If the system's imake configuration file defines `NeedWidePrototypes'
+ as `NO', we must define NARROWPROTO manually. Such a define is
+ generated in the Makefile generated by `xmkmf'. If we don't
+ define NARROWPROTO, we will see the wrong function prototypes
+ for X functions taking float or double parameters. */
+
+#define NARROWPROTO 1
+
+/* The following is needed to make `configure' find Xpm, Xaw3d and
+ image include and library files if using /usr/bin/gcc. That
+ compiler seems to be modified to not find headers in
+ /usr/local/include or libs in /usr/local/lib by default. */
+
+#define C_SWITCH_SYSTEM -I/usr/X11R6/include -I/usr/local/include -L/usr/local/lib
+
+/* Circumvent a bug in FreeBSD. In the following sequence of
+ writes/reads on a PTY, read(2) returns bogus data:
+
+ write(2) 1022 bytes
+ write(2) 954 bytes, get EAGAIN
+ read(2) 1024 bytes in process_read_output
+ read(2) 11 bytes in process_read_output
+
+ That is, read(2) returns more bytes than have ever been written
+ successfully. The 1033 bytes read are the 1022 bytes written
+ successfully after processing (for example with CRs added if the
+ terminal is set up that way which it is here). The same bytes will
+ be seen again in a later read(2), without the CRs. */
+
+#define BROKEN_PTY_READ_AFTER_EAGAIN 1
+
+/* Tell that garbage collector that setjmp is known to save all
+ registers relevant for conservative garbage collection in the
+ jmp_buf. */
+
+#define GC_SETJMP_WORKS 1
+
HCoop / bpt / emacs.git / blobdiff