Backport PR #10484: Add libm when building Qhull.

dopplershift · MeeseeksDev[bot] · commit 8e0e44b83026 · 2018-02-19T21:02:26.000Z
diff --git a/setupext.py b/setupext.py
@@ -1333,6 +1333,8 @@ def add_flags(self, ext):
         else:
             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')
 
 
 class TTConv(SetupPackage):
