From dc92263ab3d2649d657bfd586b4500704d08cbe4 Mon Sep 17 00:00:00 2001
From: Sergei Golubchik <serg@mariadb.org>
Date: Wed, 17 Feb 2016 13:48:13 +0100
Subject: MDEV-9308 Fix build errors with recent gcc (isfinite)

"#include <math.h>" has "#define isfinite(X) ..."
while "#include <cmath>" does "#undef isfinite"

in -std=c++11 mode <cmath> is included, we need a workaround
to provide a usable isfinite()
---
 include/my_global.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'include')

diff --git a/include/my_global.h b/include/my_global.h
index 5901dcdcea1..4c58c21b2aa 100644
--- a/include/my_global.h
+++ b/include/my_global.h
@@ -813,6 +813,9 @@ inline unsigned long long my_double2ulonglong(double d)
 #else
 #define finite(x) (1.0 / fabs(x) > 0.0)
 #endif /* HAVE_FINITE */
+#elif (__cplusplus >= 201103L)
+#include <cmath>
+static inline bool isfinite(double x) { return std::isfinite(x); }
 #endif /* isfinite */
 
 #ifndef HAVE_ISNAN
-- 
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