error installing ctypes 1.0.2

To ctypes developers,

I downloaded your software from this webpage https://pypi.org/project/ctypes/

When I run setup.py build, I get the following errors.

If you can help me out, it would be greatly appreaciated.

Kenneth Watanabe, PhD

$ python3 setup.py build

running build

running build_py

running build_ext

Configuring static FFI library:

cd build/temp.cygwin-3.0.7-x86_64-3.6/libffi && env CFLAGS='' '/home/KAWATAN/python/ctypes-1.0.2/source/libffi/configure'

checking build system type... /home/KAWATAN/python/ctypes-1.0.2/source/libffi/config.guess: unable to guess system type

This script, last modified 2004-11-12, has failed to recognize

the operating system you are using. It is advised that you

download the most up to date version of the config scripts from

ftp://ftp.gnu.org/pub/gnu/config/

If the version you run (/home/KAWATAN/python/ctypes-1.0.2/source/libffi/config.guess) is already up to date, please

send the following data and any information you think might be

pertinent to <address@hidden> in order to provide the needed

information to handle your system.

config.guess timestamp = 2004-11-12

uname -m = x86_64

uname -r = 3.0.7(0.338/5/3)

uname -s = CYGWIN_NT-10.0

uname -v = 2019-04-30 18:08

/usr/bin/uname -p = unknown

/bin/uname -X =

hostinfo =

/bin/universe =

/usr/bin/arch -k =

/bin/arch = x86_64

/usr/bin/oslevel =

/usr/convex/getsysinfo =

UNAME_MACHINE = x86_64

UNAME_RELEASE = 3.0.7(0.338/5/3)

UNAME_SYSTEM = CYGWIN_NT-10.0

UNAME_VERSION = 2019-04-30 18:08

configure: error: cannot guess build type; you must specify one

Failed