http://patchwork.ozlabs.org/patch/275580/
OS: Xubuntu 12.04

$ arm-linux-gnueabi-gcc --version
arm-linux-gnueabi-gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
Copyright (C) 2011 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

nmenon@kahuna:~/Src/opensource/u-boot$ git clean -xdf
Removing .boards.depend
Removing a.patch
Removing arch/arm/cpu/armv7/omap4/asm-offsets.s
Removing arch/arm/include/asm/arch
Removing arch/arm/include/asm/proc
Removing examples/api/.depend
Removing examples/standalone/.depend
Removing examples/standalone/.depend.hello_world
Removing examples/standalone/.depend.stubs
Removing include/asm
Removing include/autoconf.mk
Removing include/autoconf.mk.dep
Removing include/config.h
Removing include/config.mk
Removing include/generated/
Removing include/spl-autoconf.mk
Removing include/tpl-autoconf.mk
Removing lib/asm-offsets.s
Removing tools/.depend
nmenon@kahuna:~/Src/opensource/u-boot$ git describe
v2013.10-rc3-1-g8519f6c

$ make -j1 CROSS_COMPILE=arm-linux-gnueabi- ARCH=arm omap4_panda
Configuring for omap4_panda board...
make
make[1]: Entering directory `/home/nmenon/Src/opensource/u-boot'
Generating include/autoconf.mk
Generating include/autoconf.mk.dep
make[1]: Leaving directory `/home/nmenon/Src/opensource/u-boot'
make[1]: Entering directory `/home/nmenon/Src/opensource/u-boot'
Generating include/spl-autoconf.mk
Generating include/tpl-autoconf.mk
arm-linux-gnueabi-gcc -DDO_DEPS_ONLY \
		-g  -Os   -ffunction-sections -fdata-sections -fno-common -ffixed-r8 -msoft-float  -D__KERNEL__ -DCONFIG_SYS_TEXT_BASE=0x80E80000 -I/home/nmenon/Src/opensource/u-boot/include -fno-builtin -ffreestanding -nostdinc -isystem /usr/lib/gcc/arm-linux-gnueabi/4.6/include -pipe  -DCONFIG_ARM -D__ARM__ -mthumb -mthumb-interwork -mabi=aapcs-linux -march=armv7-a -Wall -Wstrict-prototypes -fno-stack-protector -Wno-format-nonliteral -Wno-format-security -fstack-usage   \
		-o lib/asm-offsets.s lib/asm-offsets.c -c -S
Generating include/generated/generic-asm-offsets.h
tools/scripts/make-asm-offsets lib/asm-offsets.s include/generated/generic-asm-offsets.h
if [ -f arch/arm/cpu/armv7/omap4/asm-offsets.c ];then \
		arm-linux-gnueabi-gcc -DDO_DEPS_ONLY \
		-g  -Os   -ffunction-sections -fdata-sections -fno-common -ffixed-r8 -msoft-float  -D__KERNEL__ -DCONFIG_SYS_TEXT_BASE=0x80E80000 -I/home/nmenon/Src/opensource/u-boot/include -fno-builtin -ffreestanding -nostdinc -isystem /usr/lib/gcc/arm-linux-gnueabi/4.6/include -pipe  -DCONFIG_ARM -D__ARM__ -mthumb -mthumb-interwork -mabi=aapcs-linux -march=armv7-a -Wall -Wstrict-prototypes -fno-stack-protector -Wno-format-nonliteral -Wno-format-security -fstack-usage   \
			-o arch/arm/cpu/armv7/omap4/asm-offsets.s arch/arm/cpu/armv7/omap4/asm-offsets.c -c -S; \
	else \
		touch arch/arm/cpu/armv7/omap4/asm-offsets.s; \
	fi
Generating include/generated/asm-offsets.h
tools/scripts/make-asm-offsets arch/arm/cpu/armv7/omap4/asm-offsets.s include/generated/asm-offsets.h
for dir in tools examples/standalone examples/api arch/arm/cpu/armv7  ; do \
			make -C $dir _depend ; done
make[2]: Entering directory `/home/nmenon/Src/opensource/u-boot/tools'
cat /dev/null  >.depend
make[2]: Leaving directory `/home/nmenon/Src/opensource/u-boot/tools'
make[2]: Entering directory `/home/nmenon/Src/opensource/u-boot/tools'
make[2]: Nothing to be done for `_depend'.
make[2]: Leaving directory `/home/nmenon/Src/opensource/u-boot/tools'
make[2]: Entering directory `/home/nmenon/Src/opensource/u-boot/examples/standalone'
arm-linux-gnueabi-gcc -M -g  -Os   -ffunction-sections -fdata-sections -fno-common -ffixed-r8 -msoft-float  -D__KERNEL__ -DCONFIG_SYS_TEXT_BASE=0x80E80000 -I/home/nmenon/Src/opensource/u-boot/include -fno-builtin -ffreestanding -nostdinc -isystem /usr/lib/gcc/arm-linux-gnueabi/4.6/include -pipe  -DCONFIG_ARM -D__ARM__ -mthumb -mthumb-interwork -mabi=aapcs-linux -march=armv7-a -I..   -MQ hello_world.o hello_world.c >.depend.hello_world
arm-linux-gnueabi-gcc -M -g  -Os   -ffunction-sections -fdata-sections -fno-common -ffixed-r8 -msoft-float  -D__KERNEL__ -DCONFIG_SYS_TEXT_BASE=0x80E80000 -I/home/nmenon/Src/opensource/u-boot/include -fno-builtin -ffreestanding -nostdinc -isystem /usr/lib/gcc/arm-linux-gnueabi/4.6/include -pipe  -DCONFIG_ARM -D__ARM__ -mthumb -mthumb-interwork -mabi=aapcs-linux -march=armv7-a -I..   -MQ stubs.o stubs.c >.depend.stubs
cat /dev/null .depend.hello_world .depend.stubs >.depend
make[2]: Leaving directory `/home/nmenon/Src/opensource/u-boot/examples/standalone'
make[2]: Entering directory `/home/nmenon/Src/opensource/u-boot/examples/standalone'
make[2]: Nothing to be done for `_depend'.
make[2]: Leaving directory `/home/nmenon/Src/opensource/u-boot/examples/standalone'
make[2]: Entering directory `/home/nmenon/Src/opensource/u-boot/examples/api'
cat /dev/null  >.depend
make[2]: Leaving directory `/home/nmenon/Src/opensource/u-boot/examples/api'

$ make -j6 CROSS_COMPILE=arm-linux-gnueabi- ARCH=arm omap4_panda
Configuring for omap4_panda board...
make
make[1]: Entering directory `/home/nmenon/Src/opensource/u-boot'
Generating include/autoconf.mk
Generating include/autoconf.mk.dep
make[1]: Leaving directory `/home/nmenon/Src/opensource/u-boot'
make[1]: Entering directory `/home/nmenon/Src/opensource/u-boot'
Generating include/spl-autoconf.mk
Generating include/tpl-autoconf.mk
arm-linux-gnueabi-gcc -DDO_DEPS_ONLY \
		-g  -Os   -ffunction-sections -fdata-sections -fno-common -ffixed-r8 -msoft-float  -D__KERNEL__ -DCONFIG_SYS_TEXT_BASE=0x80E80000 -I/home/nmenon/Src/opensource/u-boot/include -fno-builtin -ffreestanding -nostdinc -isystem /usr/lib/gcc/arm-linux-gnueabi/4.6/include -pipe  -DCONFIG_ARM -D__ARM__ -mthumb -mthumb-interwork -mabi=aapcs-linux -march=armv7-a -Wall -Wstrict-prototypes -fno-stack-protector -Wno-format-nonliteral -Wno-format-security -fstack-usage   \
		-o lib/asm-offsets.s lib/asm-offsets.c -c -S
if [ -f arch/arm/cpu/armv7/omap4/asm-offsets.c ];then \
		arm-linux-gnueabi-gcc -DDO_DEPS_ONLY \
		-g  -Os   -ffunction-sections -fdata-sections -fno-common -ffixed-r8 -msoft-float  -D__KERNEL__ -DCONFIG_SYS_TEXT_BASE=0x80E80000 -I/home/nmenon/Src/opensource/u-boot/include -fno-builtin -ffreestanding -nostdinc -isystem /usr/lib/gcc/arm-linux-gnueabi/4.6/include -pipe  -DCONFIG_ARM -D__ARM__ -mthumb -mthumb-interwork -mabi=aapcs-linux -march=armv7-a -Wall -Wstrict-prototypes -fno-stack-protector -Wno-format-nonliteral -Wno-format-security -fstack-usage   \
			-o arch/arm/cpu/armv7/omap4/asm-offsets.s arch/arm/cpu/armv7/omap4/asm-offsets.c -c -S; \
	else \
		touch arch/arm/cpu/armv7/omap4/asm-offsets.s; \
	fi
Generating include/generated/asm-offsets.h
tools/scripts/make-asm-offsets arch/arm/cpu/armv7/omap4/asm-offsets.s include/generated/asm-offsets.h
Generating include/generated/generic-asm-offsets.h
tools/scripts/make-asm-offsets lib/asm-offsets.s include/generated/generic-asm-offsets.h
for dir in tools examples/standalone examples/api arch/arm/cpu/armv7  ; do \
			make -C $dir _depend ; done
make[2]: Entering directory `/home/nmenon/Src/opensource/u-boot/tools'
cat /dev/null  >.depend
make[2]: Leaving directory `/home/nmenon/Src/opensource/u-boot/tools'
make[2]: Entering directory `/home/nmenon/Src/opensource/u-boot/tools'
make[2]: Nothing to be done for `_depend'.
make[2]: Leaving directory `/home/nmenon/Src/opensource/u-boot/tools'
make[2]: Entering directory `/home/nmenon/Src/opensource/u-boot/examples/standalone'