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/* This file is the configuration file for the GNU/Linux operating system, prior to version 1.1.56. Copyright (C) 1985, 1986, 1992, 1994 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 2, 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; see the file COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Synched up with: FSF 19.29 (called linux.h in FSF). */ /* This file was put together by Michael K. Johnson and Rik Faith. */ /* * Define symbols to identify the version of Unix this is. * Define all the symbols that apply correctly. */ /* #define UNIPLUS */ /* #define USG5 */ #define USG /* #define BSD */ #define LINUX /* SYSTEM_TYPE should indicate the kind of system you are using. It sets the Lisp variable system-type. */ #define SYSTEM_TYPE "linux" /* All the best software is free. */ /* Letter to use in finding device name of first pty, if system supports pty's. 'p' means it is /dev/ptyp0 */ #define FIRST_PTY_LETTER 'p' /* * Define HAVE_PTYS if the system supports pty devices. */ #define HAVE_PTYS /* define MAIL_USE_FLOCK if the mailer uses flock to interlock access to /usr/spool/mail/$USER. The alternative is that a lock file named /usr/spool/mail/$USER.lock. */ /* Both are used in Linux by different mail programs. I assume that most people are using newer mailers that have heard of flock. Change this if you need to. */ #define MAIL_USE_FLOCK /* Here, on a separate page, add any special hacks needed to make Emacs work on this system. For example, you might define certain system call names that don't exist on your system, or that do different things on your system and must be used only through an encapsulation (Which you should place, by convention, in sysdep.c). */ /* On POSIX systems the system calls are interruptible by signals that the user program has elected to catch. Thus the system call must be retried in these cases. To handle this without massive changes in the source code, we remap the standard system call names to names for our own functions in sysdep.c that do the system call with retries. */ #define INTERRUPTIBLE_OPEN #define INTERRUPTIBLE_CLOSE #define INTERRUPTIBLE_IO /* 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" */ /* XEmacs change: The realpath() in linux's libc (4.6.27) sometimes * fails with ELOOP erroneously. For example, create a file * thirty-five or so directories deep and call realpath on it. You * get ELOOP even if no symlinks at all are involved. * -dkindred@cs.cmu.edu */ #undef HAVE_REALPATH /* This is needed for disknew.c:update_frame */ #ifdef emacs #include <stdio.h> /* Get the definition of _IO_STDIO_H. */ #if defined(_IO_STDIO_H) || defined(_STDIO_USES_IOSTREAM) /* new C libio names */ #define GNU_LIBRARY_PENDING_OUTPUT_COUNT(FILE) \ ((FILE)->_IO_write_ptr - (FILE)->_IO_write_base) #else /* !_IO_STDIO_H */ /* old C++ iostream names */ #define GNU_LIBRARY_PENDING_OUTPUT_COUNT(FILE) \ ((FILE)->_pptr - (FILE)->_pbase) #endif /* !_IO_STDIO_H */ #endif /* emacs */ /* Ask GCC where to find libgcc.a. */ #define LIB_GCC `$(CC) $(C_SWITCH_X_SITE) -print-libgcc-file-name` #ifndef __ELF__ /* Linux 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 /* Older versions of Linux don't implement SIGIO. */ #define BROKEN_SIGIO /* This is needed for sysdep.c */ #define NO_SIOCTL_H /* don't have sioctl.h */ #define HAVE_SYS_SIGLIST #define POSIX /* affects getpagesize.h and systty.h */ /* libc-linux/sysdeps/linux/i386/ulimit.c says that due to shared library, */ /* we cannot get the maximum address for brk */ #define ULIMIT_BREAK_VALUE (32*1024*1024) #define SEGMENT_MASK ((SEGMENT_SIZE)-1) /* Best not to include -lg, unless it is last on the command line */ #define LIBS_DEBUG #define LIBS_TERMCAP -ltermcap -lcurses /* save some space with shared libs*/ #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 that are used when linking temacs. */ #ifdef THIS_IS_CONFIGURE #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 */ #ifdef TERM #define LIBS_MACHINE -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_MACHINE /* XFree86 is built with -DFUNCPROTO=11 -DNARROWPROTO so we better build XEmacs with these switches too so that X functions get called correctly. At least XawScrollbarSetThumb needs this. */ #define C_SWITCH_SYSTEM -DFUNCPROTO=11 -DNARROWPROTO -D_BSD_SOURCE #endif /* XEmacs change: configure doesn't find this because math.h aliases rint to __rint so that it's not found. */ #define HAVE_RINT 1 #ifdef __ELF__ #define UNEXEC unexelf.o #define UNEXEC_USE_MAP_PRIVATE #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 */ /* Linux defines these in <values.h>, but they can't be used in #if's Include values.h now so that we don't get complaints if it's included later. */ #include <values.h> #undef SHORTBITS #undef INTBITS #undef LONGBITS /* The regex.o routines are a part of the GNU C-library used with Linux. */ #define REGEXP_IN_LIBC /* XEmacs change: the standard linux libc includes regex routines in it. We have to use our own and have to avoid name conflicts. */ #define re_compile_pattern sys_re_compile_pattern #define re_search sys_re_search #define re_search_2 sys_re_search_2 #define re_match_2 sys_re_match_2 #define re_max_failures sys_re_max_failures /* XEmacs change: people have seen incorrect readings of TZ in the pre-compiled binaries. This should fix it. */ #define LOCALTIME_CACHE
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