make distclean rm config.cache ./configure --target=gaia-elf --prefix=/home/shohei/gaia-test/ make all

gcc/contrib/download_prerequisites ../configure target=m32r-unknown-linux --enable-multilib --with-system-zlib

./configure --target=aqua-elf --prefix=/home/shohei/aqua make -j4 make install export PATH=$PATH:/home/shohei/aqua/bin ./configure --target=aqua-elf --prefix=/home/shohei/aqua make -j4 make install