[Bug classpath/29304] autoconf should be used in libjava to check for fabs, fabsf and scalbn

[egall at gwmail dot gwu.edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29304

--- Comment #2 from Eric Gallager <egall at gwmail dot gwu.edu> ---
GCJ has been removed from GCC 7. So "wontfix"?