From 75a8ea9a5470105222e159b218b19a43e9abb910 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=91=D1=8B=D1=87=D0=BA=D0=BE=D0=B2=20=D0=90=D0=BD=D0=B4?=
 =?UTF-8?q?=D1=80=D0=B5=D0=B9?= <andrey@signalmodelling.ru>
Date: Mon, 30 Oct 2017 13:35:04 +0000
Subject: [PATCH] git-svn-id: svn://db.shs.com.ru/libs@309
 a8b55f48-bf90-11e4-a774-851b48703e85

---
 qglview/gltypes.h | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/qglview/gltypes.h b/qglview/gltypes.h
index 220a75e..e090da0 100644
--- a/qglview/gltypes.h
+++ b/qglview/gltypes.h
@@ -110,11 +110,15 @@ typedef QGLShaderProgram __GLShaderProgram__;
 #  define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
 #endif
 
-#ifdef CC_VC
+#ifndef M_PI
 #  define M_PI 3.14159265358979323846
 #endif
-#define M_2PI 6.28318530717958647692
-#define M_PI_3 1.04719755119659774615
+#ifndef M_2PI
+#  define M_2PI 6.28318530717958647692
+#endif
+#ifndef M_PI_3
+#  define M_PI_3 1.04719755119659774615
+#endif
 
 #ifndef GL_RGBA16F
 #  define GL_RGBA16F GL_RGBA16F_ARB