--- lxml-3.7.3/setupinfo.py.orig	2017-04-07 15:51:34.188042100 -0400
+++ lxml-3.7.3/setupinfo.py	2017-04-07 15:53:47.887745500 -0400
@@ -2,6 +2,7 @@ import sys, os, os.path
 from distutils.core import Extension
 from distutils.errors import CompileError, DistutilsOptionError
 from distutils.command.build_ext import build_ext as _build_ext
+from distutils.util import get_platform
 from versioninfo import get_base_dir
 
 try:
@@ -239,7 +240,7 @@ def libraries():
         standard_libs.append('z')
     standard_libs.append('m')
 
-    if sys.platform in ('win32',):
+    if get_platform().startswith('win'):
         libs = ['libxslt', 'libexslt', 'libxml2', 'iconv']
         if OPTION_STATIC:
             libs = ['%s_a' % lib for lib in libs]
