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-rw-r--r--Misc/NEWS3
-rw-r--r--PC/pyconfig.h5
2 files changed, 8 insertions, 0 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index 4fb4b3f6403..8d32544ad59 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -180,6 +180,9 @@ Library
Build
-----
+- Issue #21958: Define HAVE_ROUND when building with Visual Studio 2013 and
+ above. Patch by Zachary Turner.
+
- Issue #15759: "make suspicious", "make linkcheck" and "make doctest" in Doc/
now display special message when and only when there are failures.
diff --git a/PC/pyconfig.h b/PC/pyconfig.h
index 5a6acfc364f..e1c19884ae3 100644
--- a/PC/pyconfig.h
+++ b/PC/pyconfig.h
@@ -436,6 +436,11 @@ Py_NO_ENABLE_SHARED to find out. Also support MS_NO_COREDLL for b/w compat */
/* Define to 1 if you have the `copysign' function. */
#define HAVE_COPYSIGN 1
+/* Define to 1 if you have the `round' function. */
+#if _MSC_VER >= 1800
+#define HAVE_ROUND 1
+#endif
+
/* Define to 1 if you have the `isinf' macro. */
#define HAVE_DECL_ISINF 1