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
-
-#if defined HAVE_GRANTPT
-#define UNIX98_PTYS
-
-/* Run only once. We need a `for'-loop because the code uses `continue'. */
-#define PTY_ITERATION int i; for (i = 0; i < 1; i++)
-
-#ifdef HAVE_GETPT
-#define PTY_NAME_SPRINTF
-#define PTY_OPEN fd = getpt ()
-#else /* not HAVE_GETPT */
-#define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptmx");
-#endif /* not HAVE_GETPT */
-
-/* Note that grantpt and unlockpt may fork. We must block SIGCHLD to
- prevent sigchld_handler from intercepting the child's death. */
-#define PTY_TTY_NAME_SPRINTF \
- { \
- char *ptyname; \
- \
- sigblock (sigmask (SIGCHLD)); \
- if (grantpt (fd) == -1 || unlockpt (fd) == -1 \
- || !(ptyname = ptsname(fd))) \
- { \
- sigunblock (sigmask (SIGCHLD)); \
- close (fd); \
- return -1; \
- } \
- snprintf (pty_name, sizeof pty_name, "%s", ptyname); \
- sigunblock (sigmask (SIGCHLD)); \
- }
-
-#else /* not HAVE_GRANTPT */
-
-/* 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'
-
-#endif /* not HAVE_GRANTPT */
-
-/* Define HAVE_PTYS if the system supports pty devices. */
-#define HAVE_PTYS
-
-#define HAVE_SOCKETS
-
-/* 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
-#define POSIX /* affects getpagesize.h and systty.h */
-
-/* This is to work around mysterious gcc failures in some system versions.
- It is unlikely that Emacs changes will work around this problem;
- therefore, this should remain permanently. */
-#ifndef HAVE_XRMSETDATABASE
-#define HAVE_XRMSETDATABASE
+#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
-#define NARROWPROTO 1
-
/* 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
+ 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 make this conditional just on GCC, except for ia64
- register window-flushing. */
-/* Don't use #cpu here since in newest development versions of GCC,
- we must call cpp with -traditional, and that disables #cpu. */
+ 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
-#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
#else
#define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
#endif
-
-#ifdef __i386__
-/* 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)
-#endif
HCoop / bpt / emacs.git / blobdiff