trainer binary crashes on sparc64 due to unaligned access (Bus error)

[glaubitz]

Trying to build OpenCFU fails on sparc64 Linux due to the trainer binary crashing because of unaligned access (Bus error):

./trainer t data/trainedClassifier.xml
./trainer t data/trainedClassifierPS.xml ps

~~~~~~~~~~~~~~TRAINING PREDICTOR~~~~~~~~~~~~~
 

~~~~~~~~~~~~~~TRAINING PREDICTOR~~~~~~~~~~~~~
 
make[2]: *** [Makefile:2469: data/trainedClassifierPS.xml] Bus error
make[2]: *** Waiting for unfinished jobs....
make[2]: *** [Makefile:2465: data/trainedClassifier.xml] Bus error

Full build log available in: https://buildd.debian.org/status/fetch.php?pkg=opencfu&arch=sparc64&ver=4.0.0%2Bdfsg-2&stamp=1757580573&raw=0

Access to SPARC machines for testing can be obtained through the GCC Compile Farm: https://gcc.gnu.org/wiki/CompileFarm