Hy i need solution of ffi for my system

[Hitesh Chopra]

config.guess timestamp = 2009-11-20

uname -m = aarch64
uname -r = 3.10.61+
uname -s = Linux
uname -v = #1 SMP PREEMPT Wed May 25 00:26:48 CST 2016

/usr/bin/uname -p =
/bin/uname -X     =

hostinfo               =
/bin/universe          =
/usr/bin/arch -k       =
/bin/arch              =
/usr/bin/oslevel       =
/usr/convex/getsysinfo =

UNAME_MACHINE = aarch64
UNAME_RELEASE = 3.10.61+
UNAME_SYSTEM  = Linux
UNAME_VERSION = #1 SMP PREEMPT Wed May 25 00:26:48 CST 2016
configure: error: cannot guess build type; you must specify one
libffi.mk:6: recipe for target
'"/var/lib/gems/2.1.0/gems/ffi-1.9.14/ext/ffi_c/libffi-arm-linux-gnueabihf"/.libs/libffi_convenience.a'
failed
make: *** 
["/var/lib/gems/2.1.0/gems/ffi-1.9.14/ext/ffi_c/libffi-arm-linux-gnueabihf"/.libs/libffi_convenience.a]
Error 1

make failed, exit code 2