the following is the part of ltib build log(host_config.log).
Maybe, you may be confused.
"i.MX Linux BSP Environment Setup" is for ubuntu setup,
and pkgs directory is for ltib build package.
Maybe, your ltib downloads tool packages from bitshrine to the pkgs directory.
======= host_config.log ========================
Try m4-1.4.16.tar.gz from the GPP
http://bitshrine.org/gpp//m4-1.4.16.tar.gz:
2014-02-03 21:06:46 ERROR 404: Not Found.
Can't get: m4-1.4.16.tar.gz at ./ltib line 802.
Died at ./ltib line 1392.
traceback:
main::build_host_rpms:1392
main::host_checks:1447
main:554
============================================