-/* s/ file for freebsd system. */
+/* System description header for FreeBSD systems.
+ This file describes the parameters that system description files
+ should define or not.
+ Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+ 2003, 2004, 2005, 2006, 2007, 2008
+ Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+GNU Emacs is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
/* 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
#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.
#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"
+/* Get most of the stuff from bsd-common */
+#include "bsd-common.h"
/* For mem-limits.h. */
#define BSD4_2
#define LIBS_DEBUG
#define LIBS_SYSTEM -lutil
+#if __FreeBSD_version < 400000
#define LIBS_TERMCAP -ltermcap
+#else
+#define TERMINFO
+#define LIBS_TERMCAP -lncurses
+#endif
#define SYSV_SYSTEM_DIR
#ifdef __ELF__
-#define LD_SWITCH_SYSTEM
+#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
#else /* not __ELF__ */
#ifndef NO_SHARED_LIBS
-#define LD_SWITCH_SYSTEM -e start -dc
+#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
#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 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 /* not __ELF__ */
-#define HAVE_WAIT_HEADER
-#define HAVE_GETLOADAVG
-#if 0
-#define HAVE_GETPAGESIZE /* configure now puts this in config.h */
-#endif
+/* 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_GETLOADAVG 1
#define HAVE_TERMIOS
#define NO_TERMIO
#define DECLARE_GETPWUID_WITH_UID_T
#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.
+/* CLASH_DETECTION is defined in bsd-common.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. */
/* 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
+ 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
+
+/* Use the GC_MAKE_GCPROS_NOOPS (see lisp.h) method for marking the
+ stack. */
+
+#define GC_MARK_STACK GC_MAKE_GCPROS_NOOPS
+
+/* Define USE_MMAP_FOR_BUFFERS to let Emacs use mmap(2) to allocate
+ buffer text. This overrides REL_ALLOC. */
+
+#define USE_MMAP_FOR_BUFFERS 1
+
+/* Use sigprocmask(2) and friends instead of sigblock(2); the man page
+ of sigblock says it is obsolete. */
+
+#define POSIX_SIGNALS 1
+
+/* The `combreloc' setting became the default, and it seems to be
+ incompatible with unexec. Symptom is an immediate SEGV in
+ XtInitializeWidget when starting Emacs under X11. */
+
+#if defined __FreeBSD_version && __FreeBSD_version >= 500042
+#define LD_SWITCH_SYSTEM_TEMACS -znocombreloc
+#endif
+
+/* arch-tag: 426529ca-b7c4-448f-b10a-d4dcdc9c78eb
+ (do not change this comment) */
HCoop / bpt / emacs.git / blobdiff