From 7e59eb026b5e9ede5560492def408e65e1c01c20 Mon Sep 17 00:00:00 2001
From: Rokas Kupstys <19151258+rokups@users.noreply.github.com>
Date: Tue, 17 Jul 2018 18:17:56 +0300
Subject: [PATCH] Fix warning when IMGUI_DEFINE_MATH_OPERATORS is already
 defined by build system. (#1950)

---
 imgui.cpp      | 2 ++
 imgui_draw.cpp | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/imgui.cpp b/imgui.cpp
index 499ac2eae..7f5ecc402 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -794,7 +794,9 @@
 #endif
 
 #include "imgui.h"
+#ifndef IMGUI_DEFINE_MATH_OPERATORS
 #define IMGUI_DEFINE_MATH_OPERATORS
+#endif
 #include "imgui_internal.h"
 
 #include <ctype.h>      // toupper, isprint
diff --git a/imgui_draw.cpp b/imgui_draw.cpp
index a192fff44..0f69a82b2 100644
--- a/imgui_draw.cpp
+++ b/imgui_draw.cpp
@@ -14,7 +14,9 @@
 #endif
 
 #include "imgui.h"
+#ifndef IMGUI_DEFINE_MATH_OPERATORS
 #define IMGUI_DEFINE_MATH_OPERATORS
+#endif
 #include "imgui_internal.h"
 
 #include <stdio.h>      // vsnprintf, sscanf, printf