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* configure.ac (ULIMIT_BREAK_VALUE): Move here from src/s. * src/s/gnu-linux.h, src/s/irix6-5.h: Let configure set ULIMIT_BREAK_VALUE.
59 lines
2.3 KiB
C
59 lines
2.3 KiB
C
/* This file is the configuration file for Linux-based GNU systems
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Copyright (C) 1985-1986, 1992, 1994, 1996, 1999, 2001-2012
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Free Software Foundation, Inc.
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This file was put together by Michael K. Johnson and Rik Faith.
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This file is part of GNU Emacs.
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GNU Emacs is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
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/* Define symbols to identify the version of Unix this is.
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Define all the symbols that apply correctly. */
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#define USG
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#define GNU_LINUX
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/* Here, on a separate page, add any special hacks needed
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to make Emacs work on this system. For example,
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you might define certain system call names that don't
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exist on your system, or that do different things on
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your system and must be used only through an encapsulation
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(Which you should place, by convention, in sysdep.c). */
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#ifdef __ia64__
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#define GC_MARK_SECONDARY_STACK() \
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do { \
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extern void *__libc_ia64_register_backing_store_base; \
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__builtin_ia64_flushrs (); \
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mark_memory (__libc_ia64_register_backing_store_base, \
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__builtin_ia64_bsp ()); \
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} while (0)
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#endif
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/* Tell that garbage collector that setjmp is known to save all
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registers relevant for conservative garbage collection in the jmp_buf.
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Not all the architectures are tested, but there are Debian packages
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for SCM and/or Guile on them, so the technique must work. See also
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comments in alloc.c concerning setjmp and gcc. Fixme: it's
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probably safe to just let the GCC conditional in AH_BOTTOM handle this.
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*/
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#if defined __i386__ || defined __sparc__ || defined __mc68000__ \
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|| defined __alpha__ || defined __mips__ || defined __s390__ \
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|| defined __arm__ || defined __powerpc__ || defined __amd64__ \
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|| defined __ia64__ || defined __sh__
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#define GC_SETJMP_WORKS 1
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#else
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#define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
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#endif
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