From cd74a151b5a2498f0909074ebc9e8d8fbe6915b1 Mon Sep 17 00:00:00 2001
From: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Date: Mon, 4 Aug 2014 18:06:34 +0300
Subject: [PATCH] Windows doesn't have M_PI; define it ourselves when needed.

This should fix the Windows build, broken by commit ed802e7d.
---
 contrib/pgbench/pgbench.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/contrib/pgbench/pgbench.c b/contrib/pgbench/pgbench.c
index ad55c3cc03..c0e5e24fff 100644
--- a/contrib/pgbench/pgbench.c
+++ b/contrib/pgbench/pgbench.c
@@ -53,6 +53,10 @@
 #define INT64_MAX	INT64CONST(0x7FFFFFFFFFFFFFFF)
 #endif
 
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
 /*
  * Multi-platform pthread implementations
  */