From 60c114ba3bd15fe97745945945d1e6d8329723bb Mon Sep 17 00:00:00 2001
From: Matthias Melcher <fltk@matthiasm.com>
Date: Sun, 24 Jan 2016 16:40:33 +0000
Subject: And the usual extra work for MSWindows... .

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11047 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/cfg_gfx/opengl_arci.cxx | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src')

diff --git a/src/cfg_gfx/opengl_arci.cxx b/src/cfg_gfx/opengl_arci.cxx
index f925d9c78..15ec4cf36 100644
--- a/src/cfg_gfx/opengl_arci.cxx
+++ b/src/cfg_gfx/opengl_arci.cxx
@@ -25,6 +25,7 @@
 */
 
 #include <FL/gl.h>
+#define _USE_MATH_DEFINES
 #include <math.h>
 
 void Fl_OpenGL_Graphics_Driver::arc(int x,int y,int w,int h,double a1,double a2) {
-- 
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