$OpenBSD: patch-setup_py,v 1.3 2017/01/18 12:42:28 czarkoff Exp $
--- setup.py.orig	Mon Jan 16 15:05:24 2017
+++ setup.py	Mon Jan 16 15:06:37 2017
@@ -117,13 +117,6 @@ if ((len(sys.argv) >= 2
 
 def run_setup(ext_modules, run_make):
     if run_make:
-        if (not LIBEV_EMBED and not WIN and cffi_modules) or PYPY:
-            # We're not embedding libev but we do want
-            # to build the CFFI module. We need to configure libev
-            # because the CORE Extension won't.
-            # TODO: Generalize this.
-            system(libev_configure_command)
-
         MakeSdist.make()
 
     setup(
