All checksums have been double-checked against existing RMD160 and
SHA512 hashes
The following distfiles could not be fetched (some may be fetched
conditionally):
./cross/avr-gcc/distinfo isl-0.24.tar.bz2
from https://github.com/earlephilhower/esp-quick-toolchain.
This is a version compatible with the Arduino environement.
Cross GCC for for chips using the Xtensa lx106 core, such as the
Espressif ESP8266 wireless modules.
