By Lennert Buytenhek <buytenh@wantstofly.org>
Adds support for arm*b-linux* big-endian ARM targets

See http://gcc.gnu.org/PR16350

diff -durN gcc-4.4.5.orig/gcc/config/arm/linux-elf.h gcc-4.4.5/gcc/config/arm/linux-elf.h
--- gcc-4.4.5.orig/gcc/config/arm/linux-elf.h	2009-02-20 16:20:38.000000000 +0100
+++ gcc-4.4.5/gcc/config/arm/linux-elf.h	2010-10-09 23:13:21.000000000 +0200
@@ -51,7 +51,7 @@
 
 #undef  MULTILIB_DEFAULTS
 #define MULTILIB_DEFAULTS \
-	{ "marm", "mlittle-endian", "mhard-float", "mno-thumb-interwork" }
+	{ "marm", TARGET_ENDIAN_OPTION, "mhard-float", "mno-thumb-interwork" }
 
 /* Now we define the strings used to build the spec file.  */
 #undef  LIB_SPEC
diff -durN gcc-4.4.5.orig/gcc/config.gcc gcc-4.4.5/gcc/config.gcc
--- gcc-4.4.5.orig/gcc/config.gcc	2010-10-09 23:09:53.000000000 +0200
+++ gcc-4.4.5/gcc/config.gcc	2010-10-09 23:13:21.000000000 +0200
@@ -739,6 +739,11 @@
 	tm_file="dbxelf.h elfos.h arm/unknown-elf.h arm/elf.h arm/linux-gas.h arm/uclinux-elf.h"
 	tmake_file="arm/t-arm arm/t-arm-elf"
 	case ${target} in
+	arm*b-*)
+		tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=1"
+		;;
+	esac
+	case ${target} in
 	arm*-*-uclinux*eabi)
 	    tm_file="$tm_file arm/bpabi.h arm/uclinux-eabi.h"
 	    tmake_file="$tmake_file arm/t-bpabi"