From 38146f9f215b2cebd3f85d57c634c3e6eee9196d Mon Sep 17 00:00:00 2001
From: Stephen Anthony <sa666666@gmail.com>
Date: Thu, 21 May 2020 22:15:13 -0230
Subject: [PATCH] Fix compilation in Xcode.

---
 src/common/FrameBufferSDL2.cxx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/common/FrameBufferSDL2.cxx b/src/common/FrameBufferSDL2.cxx
index 72484c468..0d5813168 100644
--- a/src/common/FrameBufferSDL2.cxx
+++ b/src/common/FrameBufferSDL2.cxx
@@ -15,6 +15,8 @@
 // this file, and for a DISCLAIMER OF ALL WARRANTIES.
 //============================================================================
 
+#include <cmath>
+
 #include "SDL_lib.hxx"
 #include "bspf.hxx"
 #include "Logger.hxx"