Options:
-a, --host-arch <arch> set host Debian architecture.
-t, --host-type <type> set host GNU system type.
-A, --target-arch <arch> set target Debian architecture.
-T, --target-type <type> set target GNU system type.
-W, --match-wildcard <arch-wildcard>
restrict architecture list matching <arch-wildcard>.
-B, --match-bits <arch-bits>
restrict architecture list matching <arch-bits>.
-E, --match-endian <arch-endian>
restrict architecture list matching <arch-endian>.
--print-format <format>
use <format> for --print-set and --print-unset,
allowed values: shell (default), make.
-f, --force force flag (override variables set in environment).
