Without USE_PREDEFINED_HEADERS a bunch of .inline.hpp dependancies are missing causing newer GCC compilers to get the warning below.

Compiling /net/philli/scratch1/coleenp/hg/ubuntu/src/share/vm/gc_implementation/parallelScavenge/adjoiningGenerations.cpp
cc1plus: warnings being treated as errors
/net/philli/scratch1/coleenp/hg/ubuntu/src/share/vm/utilities/bitMap.hpp:155: warning: inline function 'void BitMap::set_bit(size_t)' used but never defined
gnumake[2]: *** [adaptiveSizePolicy.o] Error 1
gnumake[2]: *** Waiting for unfinished jobs....
cc1plus: warnings being treated as errors
/net/philli/scratch1/coleenp/hg/ubuntu/src/share/vm/utilities/bitMap.hpp:155: warning: inline function 'void BitMap::set_bit(size_t)' used but never defined
gnumake[2]: *** [adjoiningGenerations.o] Error 1


I think the gcc version was 4.3.2 and also
gcc (GCC) 4.1.3 20070929 (prerelease) (Ubuntu 4.1.2-16ubuntu2)