--with-system-boost_cropped=force \
--with-system-brial=force \
--with-system-bzip2=force \
--with-system-boost_cropped=force \
--with-system-brial=force \
--with-system-bzip2=force \
--with-system-eclib=force \
--with-system-fflas_ffpack=force \
--with-system-flint=force \
--with-system-eclib=force \
--with-system-fflas_ffpack=force \
--with-system-flint=force \