gcombust from TRUNK

checking for a BSD-compatible install... /home/t2-trunk/build/default-7.0-trunk-generic-x86-64-athlon64/TOOLCHAIN/tools.native/wrapper/install -c
checking for ANSI C header files... (cached) yes
checking build system type... Invalid configuration `x86_64-t2-linux-gnu': machine `x86_64-t2' not recognized
configure: error: /bin/sh ./config.sub x86_64-t2-linux-gnu failed
Due to previous errors, no 9-gcombust.log file!
(Try enabling xtrace in the config to track an error inside the build system.)
--- BUILD ERROR ---