4.4.7+Atmel3.4.2-gs2

AVR32 toolchain using the Gomspace version of newlib v1.16.0 (released 2007-12-19) and with some backports from 2.2.0.
See https://github.com/GomSpace/avr32-newlib

avr32 toolchain 4.4.7+Atmel3.4.2build1

4.4.7+Atmel3.4.2build1 denoting gcc-4.4.7 with Atmel v3.4.2 patches. The build1 suffix means first build.