Target library disabling at toplevel

[Ian Lance Taylor]

"Joseph S. Myers" <joseph@codesourcery.com> writes:

> Why do a great many targets disable libgcj by default in the toplevel 
> configure.ac?

I believe that it's just a hack: libgcj doesn't build on the target, but
gcc/java does.  Disabling libgcj lets the gcc configure/make complete in
a natural way.

unsupported_languages is a clearly superior approach, but it postdates
many of the cases in which libgcj is added to noconfigdirs.

Ian