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-rw-r--r--Misc/NEWS2
-rw-r--r--Modules/cPickle.c8
2 files changed, 10 insertions, 0 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index 6fed1bc..f286561 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -286,6 +286,8 @@ C-API
Extension Modules
-----------------
+- Issue #4051: Prevent conflict of UNICODE macros in cPickle.
+
- Issue #4228: Pack negative values the same way as 2.4 in struct's L format.
- Issue #1040026: Fix os.times result on systems where HZ is incorrect.
diff --git a/Modules/cPickle.c b/Modules/cPickle.c
index 18baee1..7f836c3 100644
--- a/Modules/cPickle.c
+++ b/Modules/cPickle.c
@@ -18,6 +18,14 @@ PyDoc_STRVAR(cPickle_module_documentation,
#define HIGHEST_PROTOCOL 2
/*
+ * Note: The UNICODE macro controls the TCHAR meaning of the win32 API. Since
+ * all headers have already been included here, we can safely redefine it.
+ */
+#ifdef UNICODE
+# undef UNICODE
+#endif
+
+/*
* Pickle opcodes. These must be kept in synch with pickle.py. Extensive
* docs are in pickletools.py.
*/