Python 3.6 MingW 32 Compile environment.

patch.diff

--- cygwinccompiler.py
+++ cygwinccompiler.py
@@ -82,7 +82,18 @@ def get_msvcr():
         elif msc_ver == '1600':
             # VS2010 / MSVC 10.0
             return ['msvcr100']
+        elif msc_ver == '1700':
+            # Visual Studio 2012 / Visual C++ 11.0
+            return ['msvcr110']
+        elif msc_ver == '1800':
+            # Visual Studio 2013 / Visual C++ 12.0
+            return ['msvcr120']
+        elif msc_ver == '1900':
+            # Visual Studio 2015 / Visual C++ 14.0
+            # "msvcr140.dll no longer exists" http://blogs.msdn.com/b/vcblog/archive/2014/06/03/visual-studio-14-ctp.aspx
+            return ['msvcr100']
         else:
+            # to do: can we make this futureproof?
             raise ValueError("Unknown MS Compiler version %s " % msc_ver)

• Reference Link
  http://d.hatena.ne.jp/maminus/20180611/1528727604
  https://bugs.python.org/file40608/patch.diff