What stops you from using the standard cross compiler toolchain for M3/T3 as mentioned in the FriendlyARM wiki:b4Diary wrote:
I use nanoPc-t3 with Core Qte, but i could not found a cross compiler toolchain for this image. Can you send me a link for this?
http://wiki.friendlyarm.com/wiki/index.php/NanoPC-T3#Install_Cross_Compiler?
(Please note that I am not related to FriendlyARM in any way, so this is not an official answer to your question.)
Best regards,
awl