diff options
Diffstat (limited to 'utils/makehrtf.c')
-rw-r--r-- | utils/makehrtf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/utils/makehrtf.c b/utils/makehrtf.c index 53ee46dd..a5debab7 100644 --- a/utils/makehrtf.c +++ b/utils/makehrtf.c @@ -15,6 +15,10 @@ #include "AL/al.h" +#ifndef M_PI +#define M_PI 3.14159265358979323846 +#endif + // The sample rate of the MIT HRIR data sets. #define MIT_IR_RATE (44100) |