PATCH: PR target/48904: x86_64-knetbsd-gnu fails to build

[H.J. Lu]

Hi,

This patch adds i386/knetbsd-gnu64.h for x86_64-knetbsd-gnu.  OK to
install?

Thanks.

H.J.
---
2012-09-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/48904
	* config.gcc (tm_file): Add i386/knetbsd-gnu64.h for
	x86_64-*-knetbsd*-gnu.

	* config/i386/knetbsd-gnu64.h: New file.

diff --git a/gcc/config.gcc b/gcc/config.gcc
index d6c8153..00db1b4 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -1275,7 +1275,7 @@ x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu)
 		tm_file="${tm_file} kfreebsd-gnu.h i386/kfreebsd-gnu64.h"
 		;;
 	x86_64-*-knetbsd*-gnu)
-		tm_file="${tm_file} knetbsd-gnu.h"
+		tm_file="${tm_file} knetbsd-gnu.h i386/knetbsd-gnu64.h"
 		;;
 	esac
 	tmake_file="${tmake_file} i386/t-linux64"
diff --git a/gcc/config/i386/knetbsd-gnu64.h b/gcc/config/i386/knetbsd-gnu64.h
new file mode 100644
index 0000000..d621bbe
--- /dev/null
+++ b/gcc/config/i386/knetbsd-gnu64.h
@@ -0,0 +1,27 @@
+/* Definitions for AMD x86-64 running kNetBSD-based GNU systems with ELF format
+   Copyright (C) 2012
+   Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC 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 3, or (at your option)
+any later version.
+
+GCC 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 GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#define GNU_USER_LINK_EMULATION32 "elf_i386"
+#define GNU_USER_LINK_EMULATION64 "elf_x86_64"
+#define GNU_USER_LINK_EMULATIONX32 "elf32_x86_64"
+
+#define GNU_USER_DYNAMIC_LINKER32 "/lib/ld.so.1"
+#define GNU_USER_DYNAMIC_LINKER64 "/lib/ld-knetbsd-x86-64.so.1"
+#define GNU_USER_DYNAMIC_LINKERX32 "/lib/ld-knetbsd-x32.so.1"