Mercurial > cpython-lru_cache-weakref

diff setup.py @ 48514:79f84bc2b149

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Fix bug 3375 - _multiprocessing.so build problems on OS X. The solution is to clear sys.path_importer_cache.
author Guido van Rossum <guido@python.org>
date Thu, 17 Jul 2008 16:23:53 +0000
parents 8e9e65383afb
children 5da6f21cf805
line wrap: on
line diff
--- a/setup.py	Thu Jul 17 16:10:34 2008 +0000
+++ b/setup.py	Thu Jul 17 16:23:53 2008 +0000
@@ -263,6 +263,12 @@
         ext_filename = os.path.join(
             self.build_lib,
             self.get_ext_filename(self.get_ext_fullname(ext.name)))
+
+        # If the build directory didn't exist when setup.py was
+        # started, sys.path_importer_cache has a negative result
+        # cached.  Clear that cache before trying to import.
+        sys.path_importer_cache.clear()
+
         try:
             imp.load_dynamic(ext.name, ext_filename)
         except ImportError as why: