Re: PATCH: PR libjava/32078: Update libtool in classpath

[Andrew Haley]

H. J. Lu writes:
 > On Tue, May 29, 2007 at 05:06:45PM +0200, Paolo Bonzini wrote:
 > > 
 > > >>>>Certainly.  Any compile-and-link tests won't work.
 > > >>>I'm sorry, I missed the "and link" part of your question.  Configury
 > > >>>tests of this kind really aren't going to work.  For things like tests
 > > >>>for PIC, it's pointless: gcj supports the same options as gcc.
 > > >>Then, does anybody know the very reason why all those tests are run 
 > > >>repeatedly for each language?
 > > >
 > > >I will guess. It is because the C/C++/Java/Fortran/.. compilers may
 > > >not come from the same gcc version or based on gcc at all.
 > > 
 > > Okay, so we have a problem.  Because the patch you are proposing will 
 > > not be accepted in any way by upstream. :-(
 > 
 > Bulding an XXX language run-time library is a very special case. You
 > can't build an XXX language run-time library, assuming the XXX language
 > compiler is fully functional.  If upstream libtool can support it, it
 > is great. Otherwise, we have to do one of these 4:
 > 
 > 1. Drop Java.
 > 2. Drop libtool for libjava.
 > 3. Hack libtool for libjava.
 > 4. Hack libjava configure to work around the libtool problem.
 > 
 > I proposed #3 with a simple and straightforward work around. We may
 > have to keep it around forever.

Perhaps we do #3 now, with a view to doing #4 later.

Andrew.