* config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
(case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*. Update
to LynxOS 4.0.
* gthr-lynx.h: New file.
* config/lynx-ng.h: Remove file.
* config/lynx.h: Update to LynxOS 4.0.
* config/t-lynx: New file.
* config/i386/lynx-ng.h: Remove file.
* config/i386/lynx.h: Update to LynxOS 4.0.
* config/rs6000/lynxbase.h: Remove file.
* config/rs6000/lynx.h: Update to LynxOS 4.0.
* config/rs6000/t-lynx: New file.
* doc/install.texi (Options specification): Remove reference to
LynxOS from systems where --with-gnu-as makes a difference.
From-SVN: r85591
