From 504ccad1fa018b2b432eda092bd536134ee6b39f Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Wed, 6 Jul 2016 16:31:11 +0200
Subject: [PATCH] Fix definition of M_PI in geohash_helper.c.

Without the right feature macros M_PI is not defined in math.h.
---
 src/geohash_helper.c | 2 ++
 src/geohash_helper.h | 1 -
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/geohash_helper.c b/src/geohash_helper.c
index da8833fa8..585d1005b 100644
--- a/src/geohash_helper.c
+++ b/src/geohash_helper.c
@@ -34,7 +34,9 @@
  * https://github.com/yinqiwen/ardb/blob/d42503/src/geo/geohash_helper.cpp
  */
 
+#include "fmacros.h"
 #include "geohash_helper.h"
+#include <math.h>
 
 #define D_R (M_PI / 180.0)
 #define R_MAJOR 6378137.0
diff --git a/src/geohash_helper.h b/src/geohash_helper.h
index bff111dbe..eb0dda38a 100644
--- a/src/geohash_helper.h
+++ b/src/geohash_helper.h
@@ -32,7 +32,6 @@
 #ifndef GEOHASH_HELPER_HPP_
 #define GEOHASH_HELPER_HPP_
 
-#include <math.h>
 #include "geohash.h"
 
 #define GZERO(s) s.bits = s.step = 0;