From 6d93011fdf781ed18748af18d7434b5c245da456 Mon Sep 17 00:00:00 2001
From: omar <omarcornut@gmail.com>
Date: Mon, 11 Dec 2017 10:25:44 +0100
Subject: [PATCH] alloca fix to allow Clang with Microsoft CodeGen path

---
 imgui_draw.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/imgui_draw.cpp b/imgui_draw.cpp
index 2c937e59..7a5bb2de 100644
--- a/imgui_draw.cpp
+++ b/imgui_draw.cpp
@@ -22,6 +22,9 @@
 #if !defined(alloca)
 #ifdef _WIN32
 #include <malloc.h>     // alloca
+#if !defined(alloca)
+#define alloca _alloca  // for clang with MS Codegen
+#endif
 #elif defined(__GLIBC__) || defined(__sun)
 #include <alloca.h>     // alloca
 #else