egcs-970929: shared libstdc++

[Jeffrey A Law]

  In message < 199710051519.RAA27831@saturn.s-direktnet.de >you write:
  > If libstdc++ is built using --enable-shared, running make check will
  > fail as the toplevel Makefile doesn't pass the proper directory in LD_LIBRARY_PATH.
The right way to deal with this problem is to pass the right options
to the linker when building the testcases.  I described how to do this
about a week or so ago to the list.  Contributions based on that outline
would be greatly appreciated.
jeff