fix 32 bit userland with 64 bit kernel support

after onger discussion with Phil, I understood his old
patches and fixed support for x86 systems with 32 Bit userland
and 64 Bit kernel by using a biarch toolchain instead of
a multilib one.

3 files changed, 10 insertions, 63 deletions

diff --git a/toolchain/binutils/Makefile b/toolchain/binutils/Makefile
index 8947ee77e..0a41fc9f3 100644
--- a/toolchain/binutils/Makefile
+++ b/toolchain/binutils/Makefile
@@ -24,11 +24,7 @@ else
 CONFOPTS+=		--disable-gold
 endif
 
-ifeq ($(ADK_TARGET_SYSTEM_RASPBERRY_PI),y)
-CONFOPTS+=          	--with-arch=armv6
-endif
-
-ifneq ($(ADK_LINUX_64),)
+ifneq ($(ADK_LINUX_64)$(ADK_TARGET_KERNEL_64),)
 CONFOPTS+=		--enable-64-bit-bfd
 endif
 
diff --git a/toolchain/gcc/Makefile b/toolchain/gcc/Makefile
index 63d0237c3..12ad4ebca 100644
--- a/toolchain/gcc/Makefile
+++ b/toolchain/gcc/Makefile
@@ -35,7 +35,7 @@ GCC_CONFOPTS:=		--prefix=$(TOOLCHAIN_DIR)/usr \
 			--disable-nls
 
 GCC_FINAL_CONFOPTS:=
-ifeq ($(ADK_LINUX_SH)$(ADK_LINUX_X86_64),)
+ifeq ($(ADK_LINUX_SH)$(ADK_LINUX_X86_64)$(ADK_LINUX_X86),)
 GCC_FINAL_CONFOPTS+=	--disable-biarch --disable-multilib
 endif
 
@@ -48,13 +48,18 @@ endif
 GCC_FINAL_CONFOPTS+=	--enable-multilib --with-multilib-list=m4,m4-nofpu
 endif
 
+ifeq ($(ADK_LINUX_X86),y)
+ifeq ($(ADK_TARGET_KERNEL_64),y)
+GCC_FINAL_CONFOPTS+=	--enable-biarch --enable-targets=all --disable-multilib
+else
+GCC_FINAL_CONFOPTS+=    --disable-biarch --disable-multilib
+endif
+endif
+
 ifeq ($(ADK_LINUX_X86_64),y)
 ifeq ($(ADK_x32),y)
 GCC_FINAL_CONFOPTS+=	--with-abi=x32
 endif
-ifeq ($(ADK_32),y)
-GCC_FINAL_CONFOPTS+=	--with-abi=32
-endif
 ifeq ($(ADK_64),y)
 GCC_FINAL_CONFOPTS+=	--disable-biarch --disable-multilib
 endif
diff --git a/toolchain/gcc/patches/4.8.2/abi32.patch b/toolchain/gcc/patches/4.8.2/abi32.patch
deleted file mode 100644
index 856d608bd..000000000
--- a/toolchain/gcc/patches/4.8.2/abi32.patch
+++ /dev/null
@@ -1,54 +0,0 @@
-diff -Nur gcc-4.8.2.orig/gcc/config/i386/biarch32.h gcc-4.8.2/gcc/config/i386/biarch32.h
---- gcc-4.8.2.orig/gcc/config/i386/biarch32.h	1970-01-01 01:00:00.000000000 +0100
-+++ gcc-4.8.2/gcc/config/i386/biarch32.h	2014-03-23 20:33:52.000000000 +0100
-@@ -0,0 +1,27 @@
-+/* Make configure files to produce biarch compiler defaulting to 32bit mode.
-+   This file must be included very first, while the OS specific file later
-+   to overwrite otherwise wrong defaults. 
-+   Copyright (C) 2001-2014 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.
-+
-+Under Section 7 of GPL version 3, you are granted additional
-+permissions described in the GCC Runtime Library Exception, version
-+3.1, as published by the Free Software Foundation.
-+
-+You should have received a copy of the GNU General Public License and
-+a copy of the GCC Runtime Library Exception along with this program;
-+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
-+<http://www.gnu.org/licenses/>.  */
-+
-+#define TARGET_64BIT_DEFAULT 0
-diff -Nur gcc-4.8.2.orig/gcc/config.gcc gcc-4.8.2/gcc/config.gcc
---- gcc-4.8.2.orig/gcc/config.gcc	2013-10-03 02:47:24.000000000 +0200
-+++ gcc-4.8.2/gcc/config.gcc	2014-03-22 13:15:18.000000000 +0100
-@@ -522,6 +522,9 @@
- 	64 | m64)
- 		tm_file="i386/biarch64.h ${tm_file}"
- 		;;
-+	32 | m32)
-+		tm_file="i386/biarch32.h ${tm_file}"
-+		;;
- 	x32 | mx32)
- 		tm_file="i386/biarchx32.h ${tm_file}"
- 		;;
-@@ -1343,6 +1346,9 @@
- 		x32 | mx32)
- 			x86_multilibs="mx32"
- 			;;
-+		32 | m32)
-+			x86_multilibs="m32"
-+			;;
- 		*)
- 			x86_multilibs="m64,m32"
- 			;;