true: debug
<{batMutex,batRMutex}.{ml,mli}>: threads
<batteriesThread.*>: threads
<batFingerTree.ml>: rectypes
<{batMap,batVect,batFile,batPervasives,batParserCo,batSet,batLogger,batPathGen,batSplay}.ml>: warn_z
<{batPervasives,batIMap,batLog}.ml>: warn_-9
<batteriesHelp.*>: compiler-libs

<batBigarray.*>: inline(3)
# necessary to inline ofs_of_layout on V<4.2
