make CC="gcc" CFLAGS="-g -O" LANGUAGES=c && \
make stage1 && \
make CC="stage1/xgcc -Bstage1/" CFLAGS="-g -O" LANGUAGES=c && \
make stage2 && \
make CC="stage2/xgcc -Bstage2/" CFLAGS="-g -O"
echo done gcc | mail $USER