This makes the cross-gcc target for ia64 build, okay?
Index: config.gcc
===================================================================
RCS file: /cvs/src/gnu/usr.bin/gcc/gcc/config.gcc,v
retrieving revision 1.20
diff -u -p -r1.20 config.gcc
--- config.gcc 18 Mar 2010 19:39:48 -0000 1.20
+++ config.gcc 18 Sep 2011 02:03:14 -0000
@@ -1512,6 +1512,12 @@ ia64*-*-freebsd*)
tmake_file="${tmake_file} ia64/t-ia64"
extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o crtfastmath.o"
;;
+ia64*-*-openbsd*)
+ tm_file="${tm_file} dbxelf.h elfos.h ${fbsd_tm_file} ia64/sysv4.h
ia64/openbsd.h ia64/ia64.h"
+ target_cpu_default="MASK_GNU_AS|MASK_GNU_LD"
+ tmake_file="${tmake_file} ia64/t-ia64"
+ extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o crtfastmath.o"
+ ;;
ia64*-*-linux*)
tm_file="${tm_file} dbxelf.h elfos.h svr4.h linux.h ia64/sysv4.h
ia64/linux.h"
tmake_file="t-slibgcc-elf-ver t-linux ia64/t-ia64 ia64/t-glibc"
Index: config/ia64/openbsd.h
===================================================================
RCS file: config/ia64/openbsd.h
diff -N config/ia64/openbsd.h
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ config/ia64/openbsd.h 18 Sep 2011 02:03:14 -0000
@@ -0,0 +1,53 @@
+/* Definitions for Intel IA-64 running FreeBSD using the ELF format
+ Copyright (C) 2001 Free Software Foundation, Inc.
+ Contributed by David E. O'Brien <obr...@freebsd.org> and BSDi.
+
+This file is part of GNU CC.
+
+GNU CC 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 2, or (at your option)
+any later version.
+
+GNU CC 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 CC; see the file COPYING. If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+
+#define LINK_SPEC \
+ "%{p:%e`-p' not supported; use `-pg' and gprof(1)} \
+ %{Wl,*:%*} \
+ %{assert*} %{R*} %{rpath*} %{defsym*}
\
+ %{shared:-Bshareable %{h*} %{soname*}} \
+ %{symbolic:-Bsymbolic} \
+ %{!shared: \
+ %{!static: \
+ %{rdynamic:-export-dynamic} \
+ %{!dynamic-linker:-dynamic-linker /usr/libexec/ld-elf.so.1}} \
+ %{static:-Bstatic}}"
+
+
+/************************[ Target stuff ]***********************************/
+
+/* Define the actual types of some ANSI-mandated types.
+ Needs to agree with <machine/ansi.h>. GCC defaults come from c-decl.c,
+ c-common.c, and config/<arch>/<arch>.h. */
+
+/* Earlier headers may get this wrong for FreeBSD.
+ We use the GCC defaults instead. */
+#undef WCHAR_TYPE
+
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 32
+
+#undef TARGET_VERSION
+#define TARGET_VERSION fprintf (stderr, " (OpenBSD/IA-64 ELF)");
+
+#define TARGET_ELF 1
+
+#define JMP_BUF_SIZE 76
