libltdl in libjava?

[Tom Tromey]

Tom> As I recall we needed some hacks to build in our environment (target
Tom> libraries are weird) and also a couple changes to work well with the
Tom> GC.

Alexandre> FWIW, with a newer libltdl, you can tell it which functions
Alexandre> to use for memory allocation and deallocation, so we
Alexandre> shouldn't need local hacks for this any more.

Actually, the local libltdl/GC hack is that the GC needs to wrap
dlopen calls, so we have to include <gc.h>.  We don't need any changes
to the allocators.

Tom