* configure: Rebuild.
* configure.host: Set RPATH_ENVVAR.
* Makefile.in (RPATH_ENVVAR): New variable.
(check): Use $(RPATH_ENVVAR) rather than LD_LIBRARY_PATH.
BFDLIB when linking against a shared library on SunOS.
* configure: Rebuild.
* configure.host: If using a shared BFD library, try to pass a
reasonable -rpath option when linking.
* Makefile.in (BFDLIB): Set to @BFDLIB@.