diff options
Diffstat (limited to 'progs/glsl/skinning.c')
| -rw-r--r-- | progs/glsl/skinning.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/progs/glsl/skinning.c b/progs/glsl/skinning.c index 65ba98348b..2b96f31d06 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"; |