/* This file is the configuration file for Linux-based GNU systems
- Copyright (C) 1985, 86, 92, 94, 96, 1999, 2002 Free Software Foundation, Inc.
+ Copyright (C) 1985, 1986, 1992, 1994, 1996, 1999, 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
+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 2, or (at your option)
-any later version.
+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
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
/* This file was put together by Michael K. Johnson and Rik Faith. */
* Define all the symbols that apply correctly.
*/
-/* #define UNIPLUS */
-/* #define USG5 */
#define USG
-/* #define BSD_SYSTEM */
-#define LINUX
#define GNU_LINUX
/* SYSTEM_TYPE should indicate the kind of system you are using.
#define SYSTEM_TYPE "gnu/linux" /* All the best software is free. */
-/* Check the version number of Linux--if it is at least 1.2.0,
- it is safe to use SIGIO. */
#ifndef NOT_C_CODE
#ifdef emacs
#ifdef HAVE_LINUX_VERSION_H
#include <linux/version.h>
-#if LINUX_VERSION_CODE > 0x10200
-#define LINUX_SIGIO_DOES_WORK
-#endif /* LINUX_VERSION_CODE > 0x10200 */
-#if LINUX_VERSION_CODE >= 0x20000
-#define LINUX_MAP_SHARED_DOES_WORK
-#endif /* LINUX_VERSION_CODE >= 0x20000 */
+#if LINUX_VERSION_CODE >= 0x20400
+/* 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works. */
+#define SIGNALS_VIA_CHARACTERS
+#endif /* LINUX_VERSION_CODE >= 0x20400 */
#endif /* HAVE_LINUX_VERSION_H */
#endif /* emacs */
#endif /* NOT_C_CODE */
#define FIRST_PTY_LETTER 'p'
-#endif /* not HAVE_GRANDPT */
+#endif /* not HAVE_GRANTPT */
/* Define HAVE_TERMIOS if the system provides POSIX-style
functions and macros for terminal control. */
movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
HAVE_MAILLOCK_H are defined, so the following appears to be the
correct logic. -- fx */
+/* We must check for HAVE_LIBLOCKFILE too, as movemail does.
+ liblockfile is a Free Software replacement for libmail, used on
+ Debian systems and elsewhere. -rfr */
-#if !(defined (HAVE_LIBMAIL) && defined (HAVE_MAILLOCK_H))
+#if !((defined (HAVE_LIBMAIL) || defined (HAVE_LIBLOCKFILE)) && \
+ defined (HAVE_MAILLOCK_H))
#define MAIL_USE_FLOCK
#endif
your system and must be used only through an encapsulation
(Which you should place, by convention, in sysdep.c). */
\f
-/* If you mount the proc file system somewhere other than /proc
- you will have to uncomment the following and make the proper
- changes */
-
-/* #define LINUX_LDAV_FILE "/proc/loadavg" */
-
/* This is needed for dispnew.c:update_frame */
#ifdef emacs
/* Ask GCC where to find libgcc.a. */
#define LIB_GCC `$(CC) $(C_SWITCH_X_SITE) -print-libgcc-file-name`
-#ifndef __ELF__
-/* GNU/Linux usually has crt0.o in a non-standard place */
-#define START_FILES pre-crt0.o /usr/lib/crt0.o
-#else
#define START_FILES pre-crt0.o /usr/lib/crt1.o /usr/lib/crti.o
-#endif
-#ifdef __ELF__
/* Here is how to find X Windows. LD_SWITCH_X_SITE_AUX gives an -R option
says where to find X windows at run time. */
switches, so this also works with older versions that don't implement
-z combreloc. */
#define LD_SWITCH_SYSTEM_TEMACS -z nocombreloc
-#endif /* __ELF__ */
-/* As of version 1.1.51, Linux did not actually implement SIGIO.
- But it works in newer versions. */
#ifdef emacs
-#ifdef LINUX_SIGIO_DOES_WORK
#define INTERRUPT_INPUT
-#else
-#define BROKEN_SIGIO
-/* Some versions of Linux define SIGURG and SIGPOLL as aliases for SIGIO.
- This prevents lossage in process.c. */
-#define BROKEN_SIGURG
-#define BROKEN_SIGPOLL
-#endif
#endif
-/* This is needed for sysdep.c */
-
-#define NO_SIOCTL_H /* don't have sioctl.h */
-
-#define HAVE_WAIT_HEADER
-
#define SYSV_SYSTEM_DIR /* use dirent.h */
#define POSIX /* affects getpagesize.h and systty.h */
/* Best not to include -lg, unless it is last on the command line */
#define LIBS_DEBUG
-#ifndef __ELF__
-#define LIB_STANDARD -lc /* avoid -lPW */
-#else
#undef LIB_GCC
#define LIB_GCC
#define LIB_STANDARD -lgcc -lc -lgcc /usr/lib/crtn.o
-#endif
/* Don't use -g in test compiles in configure.
This is so we will use the same shared libs for that linking
#define C_DEBUG_SWITCH
#endif
-/* Let's try this out, just in case.
- Nah. Rik Faith <faith@cs.unc.edu> says it doesn't work well. */
-/* #define SIGNALS_VIA_CHARACTERS */
-
-/* Rob Malouf <malouf@csli.stanford.edu> says:
- SYSV IPC is standard a standard part of Linux since version 0.99pl10,
- and is a very common addition to previous versions. */
-
-#ifdef TERM
-#define LIBS_SYSTEM -lclient
-#define C_SWITCH_SYSTEM -D_BSD_SOURCE -I/usr/src/term
-#else
/* alane@wozzle.linet.org says that -lipc is not a separate library,
since libc-4.4.1. So -lipc was deleted. */
#define LIBS_SYSTEM
_GNU_SOURCE. Left in in case it's relevant to libc5 systems and
anyone's still using Emacs on those. --fx 2002-12-14 */
#define C_SWITCH_SYSTEM -D_BSD_SOURCE
-#endif
/* Paul Abrahams <abrahams@equinox.shaysnet.com> says this is needed. */
#define LIB_MOTIF -lXm -lXpm
#define LIBS_TERMCAP -lncurses
#endif
-#define HAVE_SYSVIPC
-
-#ifdef __ELF__
#define UNEXEC unexelf.o
-#ifndef LINUX_MAP_SHARED_DOES_WORK
-#define UNEXEC_USE_MAP_PRIVATE
-#endif
-#endif
-
-#ifdef LINUX_QMAGIC
-
-#define HAVE_TEXT_START
-#define UNEXEC unexsunos4.o
-#define N_PAGSIZ(x) PAGE_SIZE
-
-#else /* not LINUX_QMAGIC */
-
-#define A_TEXT_OFFSET(hdr) (N_MAGIC(hdr) == QMAGIC ? sizeof (struct exec) : 0)
-#define A_TEXT_SEEK(hdr) (N_TXTOFF(hdr) + A_TEXT_OFFSET(hdr))
-#define ADJUST_EXEC_HEADER \
- unexec_text_start = N_TXTADDR(ohdr) + A_TEXT_OFFSET(ohdr)
-
-#endif /* not LINUX_QMAGIC */
-
-#if 0
-/* In 19.23 and 19.24, configure sometimes fails to define these.
- It has to do with the fact that configure uses CFLAGS when linking
- while Makefile.in.in (erroneously) fails to do so when linking temacs. */
-#ifndef HAVE_GETTIMEOFDAY
-#define HAVE_GETTIMEOFDAY
-#endif
-#ifndef HAVE_MKDIR
-#define HAVE_MKDIR
-#endif
-#ifndef HAVE_RMDIR
-#define HAVE_RMDIR
-#endif
-#ifndef HAVE_XSCREENNUMBEROFSCREEN
-#define HAVE_XSCREENNUMBEROFSCREEN
-#endif
-#endif /* 0 */
/* This is to work around mysterious gcc failures in some system versions.
It is unlikely that Emacs changes will work around this problem;
#define HAVE_XRMSETDATABASE
#endif
-/* The regex.o routines are a part of the GNU C-library used with Linux. */
-/* However, sometimes they disagree with the src/regex.h that comes with Emacs,
- and that can make trouble in etags.c because it gets the regex.h from Emacs
- and the function definitions in libc. So turn this off. */
-/* #define REGEXP_IN_LIBC */
-
/* Use BSD process groups, but use setpgid() instead of setpgrp() to
actually set a process group. */
#if defined __i386__ || defined __sparc__ || defined __mc68000__ \
|| defined __alpha__ || defined __mips__ || defined __s390__ \
- || defined __arm__ || defined __powerpc__
+ || defined __arm__ || defined __powerpc__ || defined __amd64__ \
+ || defined __ia64__
#define GC_SETJMP_WORKS 1
#define GC_MARK_STACK GC_MAKE_GCPROS_NOOPS
#ifdef __mc68000__
#define GC_LISP_OBJECT_ALIGNMENT 2
#endif
+#ifdef __ia64__
+#define GC_MARK_SECONDARY_STACK() \
+ do { \
+ extern void *__libc_ia64_register_backing_store_base; \
+ __builtin_ia64_flushrs (); \
+ mark_memory (__libc_ia64_register_backing_store_base, \
+ __builtin_ia64_bsp (), 0); \
+ } while (0)
+#endif
#endif
+
+/* arch-tag: 6244ea2a-abd0-44ec-abec-ff3dcc9afea9
+ (do not change this comment) */