/usr/ports/misc/iio-oscilloscope/work/iio-oscilloscope-0.17-master/oscplot.c:601:3: warning: implicit declaration of function 'gettimeofday' [-Wimplicit-function-declaration]
601 | gettimeofday(&(priv->last_update), NULL);
| ^
/usr/ports/misc/iio-oscilloscope/work/iio-oscilloscope-0.17-master/oscplot.c:899:20: error: use of undeclared identifier 'M_PI'
899 | double a = 2.0 * M_PI / (n - 1);
| ^
/usr/ports/misc/iio-oscilloscope/work/iio-oscilloscope-0.17-master/oscplot.c:910:14: error: use of undeclared identifier 'M_PI'
910 | double a = M_PI * j / (n - 1);
| ^
/usr/ports/misc/iio-oscilloscope/work/iio-oscilloscope-0.17-master/oscplot.c:914:34: error: use of undeclared identifier 'M_PI'
914 | return a0 - a1 * cos(j * 2.0 * M_PI / (n - 1));
| ^
Version: 0.17