Remove IA-64 support

sysdeps/unix/sysv/linux/ia64/bits/sigstack.h

@@ -1,63 +0,0 @@
-/* sigstack, sigaltstack definitions.
-   Copyright (C) 1998, 2000, 2002, 2003 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#ifndef _SIGNAL_H
-# error "Never include this file directly.  Use <signal.h> instead"
-#endif
-
-#ifndef _SIGSTACK_H
-#define _SIGSTACK_H	1
-
-/* Structure describing a signal stack (obsolete).  */
-struct sigstack
-  {
-    __ptr_t ss_sp;		/* Signal stack pointer.  */
-    int ss_onstack;		/* Nonzero if executing on this stack.  */
-  };
-
-
-/* Possible values for `ss_flags.'.  */
-enum
-{
-  SS_ONSTACK = 1,
-#define SS_ONSTACK	SS_ONSTACK
-  SS_DISABLE
-#define SS_DISABLE	SS_DISABLE
-};
-
-/* Minimum stack size for a signal handler.
-
-   Yes, this should be 131072 but the constant got defined incorrectly
-   in the kernel and we have to live with it.  Users should in any case
-   use SIGSTKSZ as the size user-supplied buffers should have.  */
-#define MINSIGSTKSZ	131027
-
-/* System default stack size.  */
-#define SIGSTKSZ	262144
-
-
-/* Alternate, preferred interface.  */
-typedef struct sigaltstack
-  {
-    __ptr_t ss_sp;
-    int ss_flags;
-    size_t ss_size;
-  } stack_t;
-
-#endif	/* bits/sigstack.h */