configure script cuda autodetection #69
Merged
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verhalten analog zur FFTW:
--with-cuda=pfad gegeben => benutzt den pfad und prüft ob alles tut. tut was nicht => abbruch mit fehler (wie früher)
--with-cuda oder --with-cuda=yes => benutzt /usr/local/cuda (ist auch default bei cuda installation) und prüft ob alles tut. tut was nicht => abbruch mit fehler
--with-cuda=no => meldung, dass cuda aus
keine angabe => benutzt /usr/local/cuda und prüft ob alles tut. tut was nicht => nur warnung dass einige features nicht zur verfügung stehen werden
hab alle möglichkeiten durchprobiert.