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diff -up Python-2.7/Python/pythonrun.c.less-verbose-COUNT_ALLOCS Python-2.7/Python/pythonrun.c
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--- Python-2.7/Python/pythonrun.c.less-verbose-COUNT_ALLOCS	2010-08-17 14:49:33.321913909 -0400
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+++ Python-2.7/Python/pythonrun.c	2010-08-17 14:54:48.750910403 -0400
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@@ -470,7 +470,15 @@ Py_Finalize(void)
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     /* Debugging stuff */
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 #ifdef COUNT_ALLOCS
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-    dump_counts(stdout);
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+    /* This is a downstream Fedora modification.
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+       The upstream default with COUNT_ALLOCS is to always dump the counts to
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+       stdout on exit.  For our debug builds its useful to have the info from
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+       COUNT_ALLOCS available, but the stdout info here gets in the way, so
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+       we make it optional, wrapping it in an environment variable (modelled
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+       on the other PYTHONDUMP* env variables):
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+    */
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+    if (Py_GETENV("PYTHONDUMPCOUNTS"))
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+        dump_counts(stdout);
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 #endif
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     PRINT_TOTAL_REFS();