mkdir -p -m 0700 src
cd src
find -maxdepth 1 -type d -name "bc-*" -exec rm -r {} \;
tar xzvf ~/bc-1.06.tar.gz
cd bc-1.06
test $UID = 0 && chown -R root:root .
# Patch it so building readline support works:
wget -nc http://englanders.cc/pub/linux/patches/bc-1.06.patch &&
patch -p1 < bc-1.06.patch
autoreconf -f -i