diff options
Diffstat (limited to 'progs/glsl/texaaline.c')
-rw-r--r-- | progs/glsl/texaaline.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/progs/glsl/texaaline.c b/progs/glsl/texaaline.c index 7a5ac405bb..2e4f932ad6 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; |