From b805754aa17c87d413dd13bdac864a1aba5ee4f4 Mon Sep 17 00:00:00 2001
From: raysan5 <raysan5@gmail.com>
Date: Sat, 31 Jul 2021 18:10:26 +0200
Subject: [PATCH] REVIEWED: Avoid bool type collisions

---
 src/raylib.h | 10 +++++++---
 src/rlgl.h   |  2 +-
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/raylib.h b/src/raylib.h
index f3d56a01..facad993 100644
--- a/src/raylib.h
+++ b/src/raylib.h
@@ -102,9 +102,12 @@
 #ifndef PI
     #define PI 3.14159265358979323846f
 #endif
-
-#define DEG2RAD (PI/180.0f)
-#define RAD2DEG (180.0f/PI)
+#ifndef DEG2RAD
+    #define DEG2RAD (PI/180.0f)
+#endif
+#ifndef RAD2DEG
+    #define RAD2DEG (180.0f/PI)
+#endif
 
 // Allow custom memory allocators
 #ifndef RL_MALLOC
@@ -184,6 +187,7 @@
     #include <stdbool.h>
 #elif !defined(__cplusplus) && !defined(bool)
     typedef enum bool { false, true } bool;
+    #define RL_BOOL_TYPE
 #endif
 
 // Vector2, 2 components
diff --git a/src/rlgl.h b/src/rlgl.h
index ece72f8c..980be611 100644
--- a/src/rlgl.h
+++ b/src/rlgl.h
@@ -291,7 +291,7 @@ typedef struct rlRenderBatch {
 
 #if defined(__STDC__) && __STDC_VERSION__ >= 199901L
     #include <stdbool.h>
-#elif !defined(__cplusplus) && !defined(bool)
+#elif !defined(__cplusplus) && !defined(bool) && !defined(RL_BOOL_TYPE)
     // Boolean type
     typedef enum bool { false, true } bool;
 #endif