Changes for JDK-8200303 added calls to log2f() math function and we hit problem building on SPARC:
Undefined first referenced
symbol in file
log2f /ldmpool/export/kvn/jdkhs/build/fastdebug/hotspot/variant-server/libjvm/objs/parse2.o
Undefined first referenced
symbol in file
log2f /ldmpool/export/kvn/jdkhs/build/fastdebug/hotspot/variant-server/libjvm/objs/parse2.o