[Emacs-diffs] /srv/bzr/emacs/trunk r109081: Move GC_MARK_SECONDARY_STACK from src/s to configure

[Glenn Morris]

------------------------------------------------------------
revno: 109081
committer: Glenn Morris <address@hidden>
branch nick: trunk
timestamp: Fri 2012-07-13 17:54:35 -0400
message:
  Move GC_MARK_SECONDARY_STACK from src/s to configure
  
  * configure.ac (GC_MARK_SECONDARY_STACK): Move here from src/s.
  
  * src/s/gnu-linux.h (GC_MARK_SECONDARY_STACK): Let configure set it.
modified:
  ChangeLog
  configure.ac
  src/ChangeLog
  src/s/gnu-linux.h

=== modified file 'ChangeLog'
--- a/ChangeLog 2012-07-13 02:38:30 +0000
+++ b/ChangeLog 2012-07-13 21:54:35 +0000
@@ -8,8 +8,8 @@
        (BSD_SYSTEM_AHB): New hack macro.
        (AH_BOTTOM): Set BSD_SYSTEM, using BSD_SYSTEM_AHB.
 
-       * configure.ac (NSIG_MINIMUM, ULIMIT_BREAK_VALUE):
-       Move here from src/s.
+       * configure.ac (NSIG_MINIMUM, ULIMIT_BREAK_VALUE, SETUP_SLAVE_PTY)
+       (GC_MARK_SECONDARY_STACK): Move here from src/s.
 
 2012-07-12  Glenn Morris  <address@hidden>
 

=== modified file 'configure.ac'
--- a/configure.ac      2012-07-13 21:45:55 +0000
+++ b/configure.ac      2012-07-13 21:54:35 +0000
@@ -3578,6 +3578,14 @@
 # error "not i386"
 #endif
       ]], [[]])], AC_DEFINE(ULIMIT_BREAK_VALUE, [(32*1024*1024)]), [])
+
+    AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
+#ifndef __ia64__
+# error "not ia64"
+#endif
+      ]], [[]])], AC_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)],
+        [Mark a secondary stack, like the register stack on the ia64.]), [])
     ;;
 
   hpux*)

=== modified file 'src/ChangeLog'
--- a/src/ChangeLog     2012-07-13 21:45:55 +0000
+++ b/src/ChangeLog     2012-07-13 21:54:35 +0000
@@ -1,5 +1,7 @@
 2012-07-13  Glenn Morris  <address@hidden>
 
+       * s/gnu-linux.h (GC_MARK_SECONDARY_STACK): Let configure set it.
+
        * s/usg5-4-common.h (SETUP_SLAVE_PTY): Let configure set it.
        * s/irix6-5.h (SETUP_SLAVE_PTY): No more need to unset it.
 

=== modified file 'src/s/gnu-linux.h'
--- a/src/s/gnu-linux.h 2012-07-13 02:34:05 +0000
+++ b/src/s/gnu-linux.h 2012-07-13 21:54:35 +0000
@@ -20,16 +20,6 @@
 You should have received a copy of the GNU General Public License
 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
-#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