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

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

Index: gcc-4.6.0/gcc/config/arm/linux-elf.h
===================================================================
--- gcc-4.6.0.orig/gcc/config/arm/linux-elf.h
+++ gcc-4.6.0/gcc/config/arm/linux-elf.h
@@ -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
Index: gcc-4.6.0/gcc/config.gcc
===================================================================
--- gcc-4.6.0.orig/gcc/config.gcc
+++ gcc-4.6.0/gcc/config.gcc
@@ -822,6 +822,11 @@ arm*-*-linux*)			# ARM GNU/Linux with EL
 	esac
 	tmake_file="${tmake_file} t-linux arm/t-arm"
 	case ${target} in
+	arm*b-*)
+		tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=1"
+		;;
+	esac
+	case ${target} in
 	arm*-*-linux-*eabi)
 	    tm_file="$tm_file arm/bpabi.h arm/linux-eabi.h"
 	    tm_file="$tm_file ../../libgcc/config/arm/bpabi-lib.h"