From: Jon TURNEY <jon.turney@dronecode.org.uk>
Date: Fri, 24 Jul 2009 19:33:25 +0000 (+0100)
Subject: Fix building of GLSL demos which use M_PI
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a15d9ca9ccfeebfcea148fc61ead3a70541e2a76;p=mesa.git

Fix building of GLSL demos which use M_PI

Some <math.h> files do not define M_PI, in which case, provide our own definition

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
---

diff --git a/progs/glsl/skinning.c b/progs/glsl/skinning.c
index 65ba98348b6..2b96f31d060 100644
--- a/progs/glsl/skinning.c
+++ b/progs/glsl/skinning.c
@@ -16,6 +16,9 @@
 #include <GL/glut.h>
 #include "shaderutil.h"
 
+#ifndef M_PI
+#define M_PI 3.1415926535
+#endif
 
 static char *FragProgFile = "skinning.frag";
 static char *VertProgFile = "skinning.vert";
diff --git a/progs/glsl/texaaline.c b/progs/glsl/texaaline.c
index 7a5ac405bba..2e4f932ad60 100644
--- a/progs/glsl/texaaline.c
+++ b/progs/glsl/texaaline.c
@@ -14,6 +14,9 @@
 #include <GL/glew.h>
 #include <GL/glut.h>
 
+#ifndef M_PI
+#define M_PI 3.1415926535
+#endif
 
 static GLint WinWidth = 300, WinHeight = 300;
 static GLint win = 0;
diff --git a/progs/glsl/twoside.c b/progs/glsl/twoside.c
index a57484f96cc..ce155d64e9e 100644
--- a/progs/glsl/twoside.c
+++ b/progs/glsl/twoside.c
@@ -16,6 +16,9 @@
 #include <GL/glut.h>
 #include "shaderutil.h"
 
+#ifndef M_PI
+#define M_PI 3.1415926535
+#endif
 
 static GLint WinWidth = 300, WinHeight = 300;
 static char *FragProgFile = NULL;