diff -rupN Python-2.7.13/Modules/selectmodule.c Python-2.7.13-new/Modules/selectmodule.c
--- Python-2.7.13/Modules/selectmodule.c	2016-12-17 21:05:07.000000000 +0100
+++ Python-2.7.13-new/Modules/selectmodule.c	2017-01-21 01:46:07.423597765 +0100
@@ -107,9 +107,9 @@ seq2set(PyObject *seq, fd_set *set, pyli
         v = PyObject_AsFileDescriptor( o );
         if (v == -1) goto finally;
 
-#if defined(_MSC_VER)
+#if defined(MS_WIN32)
         max = 0;                             /* not used for Win32 */
-#else  /* !_MSC_VER */
+#else  /* !MS_WIN32 */
         if (!_PyIsSelectable_fd(v)) {
             PyErr_SetString(PyExc_ValueError,
                         "filedescriptor out of range in select()");
@@ -117,7 +117,7 @@ seq2set(PyObject *seq, fd_set *set, pyli
         }
         if (v > max)
             max = v;
-#endif /* _MSC_VER */
+#endif /* MS_WIN32 */
         FD_SET(v, set);
 
         /* add object and its file descriptor to the list */
diff -rupN Python-2.7.13/setup.py Python-2.7.13-new/setup.py
--- Python-2.7.13/setup.py	2017-01-21 01:46:07.422597776 +0100
+++ Python-2.7.13-new/setup.py	2017-01-21 01:46:07.424597754 +0100
@@ -680,7 +680,11 @@ class PyBuildExt(build_ext):
             missing.append('spwd')
 
         # select(2); not on ancient System V
-        exts.append( Extension('select', ['selectmodule.c']) )
+        select_libs = []
+        if host_platform.startswith(('mingw', 'win')):
+            select_libs += ['ws2_32']
+        exts.append( Extension('select', ['selectmodule.c'],
+                               libraries=select_libs) )
 
         # Fred Drake's interface to the Python parser
         exts.append( Extension('parser', ['parsermodule.c']) )