Move GC_SETJMP_WORKS, GC_MARK_STACK from src/s to configure

[bpt/emacs.git] / src / s / gnu-linux.h

diff --git a/src/s/gnu-linux.h b/src/s/gnu-linux.h
dissimilarity index 63%
index 30bdf04..2847fd6 100644 (file)
--- a/src/s/gnu-linux.h
+++ b/src/s/gnu-linux.h
@@ -1,59 +1,22 @@
-/* This file is the configuration file for Linux-based GNU systems
-
-Copyright (C) 1985-1986, 1992, 1994, 1996, 1999, 2001-2012
-  Free Software Foundation, Inc.
-
-This file was put together by Michael K. Johnson and Rik Faith.
-
-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/>.  */
-
-/* Define symbols to identify the version of Unix this is.
-   Define all the symbols that apply correctly.  */
-#define USG
-#define GNU_LINUX
-
-/* 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).  */
-\f
-#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 ());                        \
-  } while (0)
-#endif
-
-/* Tell that garbage collector that setjmp is known to save all
-   registers relevant for conservative garbage collection in the jmp_buf.
-   Not all the architectures are tested, but there are Debian packages
-   for SCM and/or Guile on them, so the technique must work.  See also
-   comments in alloc.c concerning setjmp and gcc.  Fixme:  it's
-   probably safe to just let the GCC conditional in AH_BOTTOM handle this.
-*/
-#if defined __i386__ || defined __sparc__ || defined __mc68000__ \
-    || defined __alpha__ || defined __mips__ || defined __s390__ \
-    || defined __arm__ || defined __powerpc__ || defined __amd64__ \
-    || defined __ia64__ || defined __sh__
-#define GC_SETJMP_WORKS 1
-#else
-#define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
-#endif
+/* This file is the configuration file for Linux-based GNU systems
+
+Copyright (C) 1985-1986, 1992, 1994, 1996, 1999, 2001-2012
+  Free Software Foundation, Inc.
+
+This file was put together by Michael K. Johnson and Rik Faith.
+
+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/>.  */
+