Re: Toplevel cleanup: disable Java when libffi not supported

[Ralf Corsepius <ralf dot corsepius at rtems dot org>]

On 04/29/2011 06:26 PM, Tom Tromey wrote:
> > > > > > "Joseph" == Joseph S Myers<joseph@codesourcery.com>  writes:
>
> Joseph>  This patch, relative to a tree with
> Joseph>  <http://gcc.gnu.org/ml/gcc-patches/2011-04/msg02123.html>  applied,
> Joseph>  continues the cleanup of toplevel cases relating to disabling Java or
> Joseph>  Java libraries by arranging for Java to be disabled (via
> Joseph>  unsupported_languages) on targets not supporting libffi
>
> It does make sense to build libjava without libffi.
... and it does make sense to build libffi without libjava, e.g. for libgo.

> There is also --without-libffi, though; I didn't look to see what your
> patch does with this.

--with/without-libffi is trouble zone of its own.
At least the libgo part in gcc-4.6 doesn't work at all:
c.f. http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48407

Ralf