* config/t-slibgcc-elf-ver: Define SHLIB_NAME and SHLIB_SONAME
        in terms of SHLIB_SOVERSION.
        * config/m68k/t-slibgcc-elf-ver: New file.
        * config/pa/t-slibgcc-elf-ver: New file.
        * config.gcc (m68k-linux, parisc-linux): Use them when not
        sjlj exceptions are not configured.

From-SVN: r77920