File list of package libmpfi-dev in sid of architecture armhf
/usr/lib/arm-linux-gnueabihf/libmpfi.a /usr/lib/arm-linux-gnueabihf/libmpfi.so /usr/share/doc/libmpfi-dev
/usr/lib/arm-linux-gnueabihf/libmpfi.a /usr/lib/arm-linux-gnueabihf/libmpfi.so /usr/share/doc/libmpfi-dev