--- setupext.py.orig	2019-05-21 09:40:18.000000000 -0400
+++ setupext.py	2019-05-21 09:42:32.000000000 -0400
@@ -842,10 +842,11 @@
         # Qhull doesn't distribute pkg-config info, so we have no way of
         # knowing whether a system install is recent enough.  Thus, always use
         # the vendored version.
-        ext.include_dirs.insert(0, 'extern')
-        ext.sources.extend(sorted(glob.glob('extern/libqhull/*.c')))
-        if sysconfig.get_config_var('LIBM') == '-lm':
-            ext.libraries.extend('m')
+        ##ext.include_dirs.insert(0, 'extern')
+        ##ext.sources.extend(sorted(glob.glob('extern/libqhull/*.c')))
+        ##if sysconfig.get_config_var('LIBM') == '-lm':
+        ##    ext.libraries.extend('m')
+        ext.libraries.append('qhull')
 
 
 class TTConv(SetupPackage):