backport bugfixes from trunk

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/branches/stable@26827 72102866-910b-0410-8b05-ffd578937521

ChangeLog

@@ -1,3 +1,15 @@
+2008-08-25  Fred Kiefer <FredKiefer@gmx.de>
+
+	* Source/NSAutoreleasePool.m (-dealloc): Reset _parent and _child.
+	* Source/NSAutoreleasePool.m (-_endThread:): Free cache of ended
+	thread not of current.
+		
+2008-08-20  Yavor Doganov  <yavor@gnu.org>
+		
+	* config/procfs.m4: Check for `proc' in /proc/mounts rather than
+	relying on the output of `mount'; fixes build issue in chroots.
+	Reported by Funda Wang (bug #23876).
+
 2008-07-17  Richard Frith-Macdonald <rfm@gnu.org>
 
 	* Source/Additions/GSCategories.m: littleEndian() fix to work on

Source/NSAutoreleasePool.m

@@ -340,7 +340,9 @@ static IMP	initImp;
   if (_parent != nil)
     {
       _parent->_child = nil;
+      _parent = nil;
     }
+  _child = nil;
 
   /* Don't deallocate ourself, just save us for later use. */
   push_pool_to_cache (tv, self);
@@ -455,7 +457,7 @@ static IMP	initImp;
   struct autorelease_thread_vars *tv;
   id	pool;
 
-  tv = ARP_THREAD_VARS;
+  tv = &(((TInfo)thread)->_autorelease_vars);
   while (tv->current_pool)
     {
       [tv->current_pool release];

config/procfs.m4

@@ -18,7 +18,7 @@ AC_DEFUN(AC_SYS_PROCFS,
   #  if test -d /proc/0; then
   # but it doesn't work on my linux - /proc/0 does not exist, but /proc
   # works fine
-    if (mount | grep 'proc' >/dev/null 2>/dev/null); then 
+    if grep 'proc' /proc/mounts >/dev/null 2>/dev/null; then
       ac_cv_sys_procfs=yes
     else
       ac_cv_sys_procfs=no