as a data point, 0.3.29 built fine in Ubuntu with IEEE long double.
- Bug#1114016: openblas ftbfs with IEEE long double on ppc64e... Matthias Klose
- Bug#1114016: Acknowledgement (openblas ftbfs with IEEE... Matthias Klose
- Bug#1114016: openblas ftbfs with IEEE long double ... Matthias Klose
