Error u-boot 2014.07

Hi,
I'm tring for first time to use buildroot.
The target is Microblaze (little indian), my board is Spartan 3E1600 microblaze dev kit.

in
Bootloaders i made the choice 'U-Boot' 'U-Boot board name --> microblaze-generic',
binary format u-boot.elf

the process stop with message:

make[1]: Entering directory `/home/gmv/Desktop/buildroot/output/build/uboot-2014.07'

   CHK     include/config/uboot.release
   CHK     include/generated/timestamp_autogenerated.h
   UPD     include/generated/timestamp_autogenerated.h
   CHK     include/generated/version_autogenerated.h
   HOSTCC  tools/dumpimage.o
   HOSTCC  tools/image-host.o
   HOSTCC  tools/mkenvimage.o
   HOSTCC  tools/mkimage.o
   HOSTLD  tools/envcrc
   HOSTLD  tools/mkenvimage
   HOSTLD  tools/dumpimage
   HOSTLD  tools/mkimage
   CC      arch/microblaze/lib/board.o
   CC      drivers/block/systemace.o
   LD      arch/microblaze/lib/built-in.o
   LD      drivers/sound/built-in.o

{standard input}: Assembler messages:
{standard input}:2495: Error: operation combines symbols in different segments
{standard input}:2496: Error: operation combines symbols in different segments
{standard input}:2499: Error: operation combines symbols in different segments
{standard input}:2500: Error: operation combines symbols in different segments
{standard input}:2505: Error: operation combines symbols in different segments
{standard input}:2506: Error: operation combines symbols in different segments
{standard input}:2515: Error: operation combines symbols in different segments
{standard input}:2516: Error: operation combines symbols in different segments
{standard input}:2519: Error: operation combines symbols in different segments
{standard input}:2520: Error: operation combines symbols in different segments
{standard input}:2529: Error: operation combines symbols in different segments
{standard input}:2530: Error: operation combines symbols in different segments
{standard input}:2533: Error: operation combines symbols in different segments
{standard input}:2534: Error: operation combines symbols in different segments
{standard input}:2539: Error: operation combines symbols in different segments
{standard input}:2540: Error: operation combines symbols in different segments
{standard input}:2549: Error: operation combines symbols in different segments
{standard input}:2550: Error: operation combines symbols in different segments
make[3]: *** [drivers/block/systemace.o] Error 1
make[2]: *** [drivers/block] Error 2
make[1]: *** [drivers] Error 2
make[1]: *** Waiting for unfinished jobs....

   CC      common/main.o
   CC      common/cmd_version.o
   LD      common/built-in.o

make[1]: Leaving directory `/home/gmv/Desktop/buildroot/output/build/uboot-2014.07'
make: *** [/home/gmv/Desktop/buildroot/output/build/uboot-2014.07/.stamp_built] Error 2

Any help please
Kind Regards
Gian