diff options
Diffstat (limited to 'gst/alpha/gstalpha.c')
| -rw-r--r-- | gst/alpha/gstalpha.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gst/alpha/gstalpha.c b/gst/alpha/gstalpha.c index da6e0732..cdb9db1c 100644 --- a/gst/alpha/gstalpha.c +++ b/gst/alpha/gstalpha.c @@ -26,6 +26,10 @@ #include <string.h> #include <math.h> +#ifndef M_PI +#define M_PI 3.14159265358979323846 +#endif + #define GST_TYPE_ALPHA \ (gst_alpha_get_type()) #define GST_ALPHA(obj) \ |