> Just wondering. Is this actually a VLA. FFT_NUM_SAMPLES was static const so > not really going to show a lot of variation. This array will always have the > same size on the stack.
The issue is that unlike in C++, a `static const` can't be used in a constant expression in C. It's unclear why C is defined that way but it's how it is and there isn't currently a GCC extension making more things into constant expressions like C++.
