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-rw-r--r--Parser/pgen.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Parser/pgen.c b/Parser/pgen.c
index 03d3c82..f3fdb46 100644
--- a/Parser/pgen.c
+++ b/Parser/pgen.c
@@ -13,7 +13,7 @@
#include "pgen.h"
extern int Py_DebugFlag;
-int Py_IgnoreEnvironmentFlag; /* needed by Py_GETENV */
+extern int Py_IgnoreEnvironmentFlag; /* needed by Py_GETENV */
/* PART ONE -- CONSTRUCT NFA -- Cf. Algorithm 3.2 from [Aho&Ullman 77] */