[coreboot] coreboot: make crossgcc - Failed to download acpica-unix-20121114.tar.gz.

[Pradish M P, ERS, HCLTech]

Dear coreboot folks

i downloaded the latest source code form coreboot.org , when i tried to build the cross compiler 
using the command make crossgcc

it gives the following error

root at test-VirtualBox:~/coreboot# make crossgcc
Warning: no suitable GCC for armv7.
Welcome to the coreboot cross toolchain builder v1.20 (December 4th, 2012)

Will skip GDB ... ok
Downloading tar balls ...
 * gmp-5.0.5.tar.bz2 (downloading)
 * mpfr-3.1.1.tar.bz2 (downloading)
 * mpc-1.0.1.tar.gz (downloading)
 * libelf-0.8.13.tar.gz (downloading)
 * gcc-4.7.2.tar.bz2 (downloading)
 * binutils-2.23.tar.gz (downloading)
 * acpica-unix-20121114.tar.gz (downloading)
Failed to download acpica-unix-20121114.tar.gz.
make[1]: *** [build-without-gdb] Error 1
make: *** [crossgcc] Error 2

can anyone guide me how to fix.

regards
pradish

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